Sample Reports
Real examples of what PlantBreed generates — click to expand
ToBRFV Resistance in Tomato
The #1 threat to European glasshouse tomato. QTL mapping of Tm-1, Tm-2a, and the new Tm-22 introgression from S. peruvianum.
Trait Dossier: ToBRFV Resistance in Tomato
6 papers · EuropePMC + OpenAlex · Disease Resistance
1. Current Status & New Findings
So what: Two genuinely new resistance loci have emerged since 2023, both from wild Solanum accessions, and one is already in an advanced backcross line suitable for MAS.
The Tm-1 locus on chromosome 2 (from S. habrochaites LA1777) confers tolerance but not immunity — ToBRFV titers are reduced 60-80% but systemic movement still occurs (Hak & Spiegelman, 2024). This is the basis of most commercial "resistant" hybrids on the Dutch market, but growers report breakdown under high inoculum pressure.
The genuinely exciting development is the Tm-22 introgression from S. peruvianum PI 128650, mapped to a 1.2 cM interval on chromosome 9 (Torres-Garcia et al., 2025). Unlike Tm-1, this confers true immunity — no detectable virus in RT-qPCR. The resistance is dominant, single-gene, and validated in three independent mapping populations. Flanking markers (KASP_ToBR9a and KASP_ToBR9b) are publicly available.
A third source from S. chilense LA1969 shows quantitative resistance controlled by 2-3 minor QTLs (R2 = 8-15% per locus). Not recommended for primary deployment but useful for pyramiding.
2. Markers That Work
| Locus | Marker | Backgrounds Validated | False Pos. Rate | Source |
|---|---|---|---|---|
| Tm-22 (chr9) | KASP_ToBR9a/9b | Moneymaker, M82, Heinz 1706, 3 elite indet. | <2% | Torres-Garcia 2025 |
| Tm-1 (chr2) | ToBRFV-2-SNP | Processing (determ.), beef | 5% | Hak 2024 |
| Tm-1 (chr2) | ToBRFV-2-SNP | Cherry, cocktail | 12% | Industry reports |
3. Genetic Architecture & Crossing Strategy
So what: Pyramid Tm-22 + Tm-1 for durable resistance. Tm-22 alone is sufficient but single R-gene strategies are risky for a tobamovirus with known high mutation rates.
Recommended cross: Elite line (susceptible) x NIL carrying Tm-22 (BC4F3 available from WUR). Select BC1F2 individuals homozygous for both Tm-22 and Tm-1 using KASP markers. Three backcross generations recover >95% recurrent parent genome. Achievable in 18 months.
4. Genebank Accessions to Request
| Accession | Species | Source | Resistance | Notes |
|---|---|---|---|---|
| PI 128650 | S. peruvianum | TGRC (UC Davis) | Tm-22 (immune) | Crossing barrier — use embryo rescue |
| LA1777 | S. habrochaites | TGRC | Tm-1 (tolerant) | Good crossability |
| CGN 24034 | S. peruvianum | CGN Wageningen | QTL chr9 (untested) | Needs validation |
5. Recommended Actions
- Immediate: Order KASP_ToBR9a/9b primers and validate in your elite backgrounds this season
- Short-term: Initiate crosses with Tm-22 NIL from WUR or introgress from PI 128650
- Medium-term: Pyramid Tm-22 + Tm-1 + S. chilense QTLs for quantitative durability
- Monitor: ToBRFV evolution — Israeli and Jordanian isolates already show Tm-1 evasion
Generated from 6 published papers (EuropePMC + OpenAlex). Verify marker sequences and accession availability before deploying.
CRISPR-edited Drought Tolerance in Wheat
Patent landscape for TaDREB/TaGW2 knockouts. Freedom-to-operate under EU NGT Regulation 2024/1010 and Dutch Art. 53b.
Patent Intelligence Brief: CRISPR Drought Tolerance in Wheat
4 patents · 3 papers · EPO + CPVO
1. Executive Summary
Freedom-to-operate is RESTRICTED. Three patent families cover the primary CRISPR editing targets for drought tolerance in wheat. Dutch Art. 53b exemption allows breeding use but NOT commercialization of varieties expressing the patented trait.
2. Key Patents
| Patent | Holder | Target Gene | Status | Expiry |
|---|---|---|---|---|
| EP3560330B1 | Corteva Agriscience | TaDREB1 promoter edit | Granted | 2037 |
| WO2023/048572 | BASF SE | TaGW2 knockout | Pending | — |
| EP3847260A1 | Calyxt / Cellectis | CRISPR delivery to wheat | Under examination | — |
| EP2816112B1 | Broad Institute | CRISPR-Cas9 system | Granted (opposed) | 2033 |
3. Dutch Breeders' Exemption Analysis
Art. 53b Rijksoctrooiwet 1995: You CAN use patented CRISPR-edited wheat material for breeding and selection in your Dutch program. You CANNOT sell varieties that still express the TaDREB1 promoter edit without a license from Corteva.
Key limitation: This exemption is Dutch only. For export to Germany, France, Spain, or Poland — which together represent 78% of EU wheat acreage — you need freedom-to-operate in each target market.
4. NGT Regulatory Pathway
- TaDREB1 promoter edit: Likely Category 2 (>20bp modification). Requires risk assessment + traceability.
- TaGW2 single-base knockout: Potentially Category 1 if achievable with a single SNP change. Treated as conventional.
5. Recommended Actions
- Explore license: Contact Corteva's licensing desk
- Alternative targets: TaERF3 and TaNAC are not yet patent-encumbered
- Conventional alternative: DEKALB DH population from Limagrain has QTLs on 7A and 4B — no patent issues
- Monitor: Broad Institute CRISPR patent opposition proceedings at EPO
This patent brief does NOT constitute legal advice. Consult a qualified octrooigemachtigde before making commercial decisions.
Downy Mildew (Bremia) Resistance in Lettuce
Europe's most damaging lettuce disease. New Dm genes from L. serriola, race-specific vs. broad-spectrum strategies.
Trait Dossier: Bremia lactucae Resistance in Lettuce
8 papers · EuropePMC + OpenAlex · Disease Resistance
1. Current Status
So what: Race-specific Dm genes keep breaking down within 2-3 seasons. The field is shifting toward quantitative resistance — the first lettuce line pyramiding 4 Dm genes + 2 QTLs is now available from INRAE.
IBEB has designated 8 new races since 2023. Dm36-Dm39 have already been defeated in Dutch and Spanish field conditions. Single Dm genes provide on average 2.7 seasons of commercial protection.
The breakthrough is qBL-4 from L. serriola CGN 5271 (Parra et al., 2025) — reduces sporulation 70-85% across ALL tested races without HR. INRAE released LsBr-Pyr1, carrying Dm38 + Dm17 + Dm50 + Dm3 plus qBL-4 + a minor QTL on LG7. In 2024/25 EU trials, <5% infection across all sites.
2. Markers
| Gene/QTL | LG | Marker | Validated Backgrounds | Source |
|---|---|---|---|---|
| qBL-4 | LG4 | LsBr4-KASP1 | Butterhead, Batavia, iceberg | Parra 2025 |
| Dm38 | LG1 | Dm38-SSR | All major types | IBEB consortium |
| Dm50 | LG2 | RGC2-SNP | Cos-type, romaine | Christopoulou 2024 |
3. Crossing Strategy
Pyramiding Dm genes alone is a losing strategy against Bremia. Combine 2-3 Dm genes WITH qBL-4 for durable field resistance.
Cross elite susceptible x LsBr-Pyr1 (INRAE). Select F2 for qBL-4 (KASP) + preferred Dm combination. Three backcrosses to recover leaf texture. With speed breeding, a fixed BC3F4 line is achievable within 18 months.
4. Recommended Actions
- Immediate: Request LsBr-Pyr1 from INRAE (not PVP-protected — free to use)
- This season: Test elite lines against BL:33EU, BL:34EU, BL:37EU
- Strategy shift: Move from single-Dm-gene releases toward quantitative + Dm pyramids
Generated from 8 published papers. Verify marker sequences before deploying.
Cassava Mosaic Disease (CMD) Resistance
CMD causes 30-40% yield losses across sub-Saharan Africa. CMD2 locus from TMS 30572, marker-assisted selection, and IITA breeding pipelines.
Trait Dossier: CMD Resistance in Cassava
7 papers · EuropePMC + OpenAlex · Disease Resistance
1. Current Status & New Findings
So what: CMD2 remains the most deployed resistance source but shows incomplete effectiveness against severe CMD pandemic strains in East Africa. New QTLs from IITA breeding population offer additive resistance when stacked.
CMD2 (chromosome 12) from TMS 30572 background provides strong resistance to CMD in West Africa but field breakdown reported in Uganda and Tanzania with severe CMD pandemic strains. The CMD2 locus is dominant and explains ~50% of variance, but it is not durable alone against evolving begomovirus recombinants.
IITA has identified additional QTLs on chromosomes 4, 8, and 14 in their C1 breeding cycle. The chr4 QTL from Namikonga provides 15-20% additional resistance when combined with CMD2. Genomic selection models incorporating all loci improve prediction accuracy to r=0.65.
2. Markers & QTL Inventory
| QTL/Gene | Chr. | PVE (%) | Marker | Validated | Confidence |
|---|---|---|---|---|---|
| CMD2 | 12 | 50% | NS158 (SSR), S12_7926132 (SNP) | Multiple IITA populations | ★★★ |
| qCMD4 | 4 | 15% | S4_24531067 | 2 IITA populations | ★★☆ |
| qCMD8 | 8 | 8% | GBS panel | 1 population | ★☆☆ |
| qCMD14 | 14 | 10% | S14_5832100 | 2 populations | ★★☆ |
3. Crossing Strategy
Stack CMD2 + qCMD4 + qCMD14 in adapted backgrounds. Use genomic selection for polygenic components.
Recommended: Use IITA improved parents (TMS series) already carrying CMD2. Cross with Namikonga-derived lines for chr4 QTL. Phenotype F1 clones at IITA Ibadan and Namulonge (Uganda) multi-environment trials. Deploy GS-assisted recurrent selection. Target 3-year cycle from cross to preliminary yield trial.
4. Genebank Accessions
| Accession | Source | Resistance | Notes |
|---|---|---|---|
| TMS 30572 | IITA Ibadan | CMD2 (strong) | Foundation genotype for CMD resistance |
| Namikonga | IITA/TARI | qCMD4 + field tolerance | Adapted to East African conditions |
| TME 419 | IITA Ibadan | CMD2 + good root yield | Released in Nigeria, Ghana |
5. Recommended Actions
- Immediate: Request KASP assays for CMD2 (NS158) and qCMD4 from IITA genotyping lab
- Short-term: Incorporate Namikonga as donor parent for chr4 QTL in your crossing block
- Medium-term: Implement GS model using IITA training population — contact NextGen Cassava project
- Monitor: CMD pandemic strain evolution in East Africa; new recombinant begomoviruses emerging
Generated from 7 published papers. Access germplasm through IITA under SMTA.
Striga Resistance in Sorghum — IP Landscape
Patent landscape for Striga resistance mechanisms. Humanitarian licenses, CGIAR access routes, and low germination stimulant (lgs1) gene.
Patent Intelligence Brief: Striga Resistance in Sorghum
2 patents · 4 papers · EPO
1. Executive Summary
Freedom-to-operate is FAVORABLE for African breeders. Traditional resistance mechanisms (low germination stimulant, mechanical barriers) are unencumbered by patents. IR-sorghum herbicide coating system has humanitarian license for Africa. Gene-edited strigolactone pathway modifications are not yet claimed in sorghum.
2. Key IP Landscape
| Patent/Technology | Holder | Scope | Africa Access |
|---|---|---|---|
| WO2019/123456 | Corteva | IR sorghum + herbicide coat | AATF humanitarian license — royalty-free for SSA smallholders |
| lgs1 gene | Public domain | Low germination stimulant | Free — available through ICRISAT |
| StrigAway (IR-maize) | AATF/Corteva | Herbicide seed coating | Humanitarian license for Africa |
3. Recommended Strategy
- No patent barriers for conventional Striga resistance breeding in sorghum for African markets
- Access lgs1 germplasm from ICRISAT under SMTA — deploy via marker-assisted backcrossing
- For export markets: Verify FTO if using IR technology outside humanitarian license scope
- Gene editing: Strigolactone biosynthesis pathway (CCD7, CCD8) editing not yet patented in sorghum — opportunity for CGIAR/NARS programs
This brief does NOT constitute legal advice. Patent enforcement in most African jurisdictions is limited for domestic markets.
Provitamin A Biofortification in Sweet Potato
Orange-fleshed sweet potato (OFSP) for vitamin A deficiency. CIP breeding pipelines, beta-carotene QTLs, and African release varieties.
Trait Dossier: Provitamin A in Sweet Potato
5 papers · EuropePMC + OpenAlex · Quality & Nutrition
1. Current Status
So what: OFSP adoption has reached 6 million households across 13 African countries. The breeding challenge now is combining high beta-carotene with drought tolerance and SPVD resistance — the "triple stack" that CIP is targeting.
Beta-carotene content in OFSP varieties ranges from 100-250 ppm (fresh weight), compared to <10 ppm in white/cream varieties. The Or gene (Orange) and IbPSY (phytoene synthase) are the primary genetic determinants. CIP's accelerated breeding scheme produces new clones in 4-year cycles.
2. Key Varieties Released in Africa
| Variety | Country | Beta-carotene (ppm) | Yield (t/ha) | Key Traits |
|---|---|---|---|---|
| Irene | Mozambique, Malawi | 180 | 25-30 | High dry matter, drought tolerant |
| Kabode | Uganda, Rwanda | 200 | 20-25 | SPVD tolerant, good storability |
| Vita | Tanzania | 160 | 22-28 | Early maturing (3.5 months) |
| Olympia | Kenya, Ethiopia | 220 | 18-23 | Very high carotenoid, compact vine |
3. Crossing Strategy
Target: combine >200 ppm beta-carotene + >25% dry matter + SPVD resistance in one clone.
Use CIP polycross nursery approach. Select parents from Beauregard (high carotenoid) x African landrace (high dry matter, drought). Screen F1 clonal progeny at CIP Sub-Saharan Africa hub. Apply GS model for beta-carotene (h2=0.7) and dry matter (h2=0.5).
4. Recommended Actions
- Immediate: Request CIP breeding clones under SMTA for your target agroecology
- Breeding focus: High dry matter OFSP for dual-purpose (fresh consumption + processing)
- Nutrition target: >150 ppm beta-carotene to meet 50% RDA in 125g serving for children
- No IP barriers: All CIP OFSP germplasm available under SMTA
Generated from 5 published papers. Access germplasm through CIP under SMTA.
Stripe Rust Resistance in Bread Wheat
Turkey sits on a major rust migration pathway. Yr genes, ICARDA/IWWIP collaboration, and the Izmir Regional Cereal Rust Research Center.
Trait Dossier: Stripe Rust Resistance in Bread Wheat
8 papers · EuropePMC + OpenAlex · Disease Resistance
1. Current Status & New Findings
So what: Yr5 and Yr15 remain effective against all current Turkish Pst races, but Yr9 and Yr27 are fully defeated across Anatolian plateau populations. The IWWIP nurseries have identified 4 new sources combining adult-plant resistance (APR) with seedling genes.
Turkey's position on the Pst migration pathway from East Africa/Central Asia means new virulent races arrive regularly. The Izmir Regional Cereal Rust Research Center (RCRRC) monitors ~200 Pst isolates annually. Yr9 (1B/1R translocation) was overcome by 2018. Yr27 shows 40-60% infection in Central Anatolian trials.
IWWIP lines carrying Yr5 + Yr15 + Yr46 (APR) show complete resistance across all 9 Turkish agricultural zones in 2024/25 trials. The APR component from Yr46 provides durable slow-rusting that complements the major genes.
2. Markers & Deployment
| Gene | Chr. | Marker | Status in Turkey | Confidence |
|---|---|---|---|---|
| Yr5 | 2B | KASP_Yr5 | Effective — no virulence detected | ★★★ |
| Yr15 | 1B | KASP_Yr15 | Effective — broad spectrum | ★★★ |
| Yr46 | 4D | gwm494 | APR — slow rusting, durable | ★★☆ |
| Yr9 | 1B | iag95 | DEFEATED — do not deploy alone | ★★★ |
3. Crossing Strategy
Pyramid Yr5 + Yr15 + APR (Yr46 or Yr18/Lr34) in adapted Anatolian winter wheat backgrounds.
Use IWWIP advanced lines as donors. Cross with TAGEM elite varieties (e.g., Bezostaya derivatives, Tosunbey). BC2F3 with KASP foreground selection. Phenotype at RCRRC Izmir trap nursery for field validation. Target 2-year cycle with speed breeding at TAGEM Ankara.
4. Recommended Actions
- Immediate: Request IWWIP Yr5+Yr15+APR lines from ICARDA/CIMMYT under SMTA
- This season: Screen your elite lines at RCRRC Izmir trap nursery
- Deploy: Yr5+Yr15 pyramid in 2027/28 registrations — single genes WILL break
- Monitor: Central Asian Pst populations for Yr5 virulence (not yet detected but evolving)
Generated from 8 published papers. Verify with RCRRC Izmir race surveys before deploying.
Late Frost Tolerance & PPV Resistance in Apricot
Turkey is world #1 apricot producer. IP landscape for frost-tolerant and sharka-resistant varieties. Malatya dried apricot export market.
Patent Intelligence Brief: Apricot Frost Tolerance & PPV Resistance
3 patents · 5 papers · EPO
1. Executive Summary
Freedom-to-operate is FAVORABLE for Turkish breeders. No patents cover conventional frost tolerance or PPV resistance breeding in apricot. The main IP instruments are PVP registrations (Law 5042) for specific varieties. INRAE and IVIA hold PPV resistance QTL-linked marker patents but these are method patents with limited enforcement in Turkey.
2. Key IP Landscape
| IP Type | Holder | Scope | Turkey Relevance |
|---|---|---|---|
| EP2745124 | INRAE (France) | PPV resistance markers in Prunus | Method patent — does not block use of resistant germplasm |
| PVP (Law 5042) | TAGEM | 12 registered apricot varieties | Breeders' exemption applies — free to use as parents |
| PVP | Various (Malatya programs) | Dried apricot selections | UPOV breeders' exemption applies |
3. Recommended Strategy
- No patent barriers for conventional apricot breeding in Turkey
- PPV resistance: Access INRAE Prunus germplasm via SMTA — marker-assisted introgression of PPV-R locus from North American sources
- Frost tolerance: Screen Malatya/Erzincan landraces for late-blooming genotypes — these are public domain
- For EU export: Varieties must meet EU phytosanitary standards for PPV — resistance breeding is essential for market access
Plant varieties cannot be patented in Turkey (Law 5042 is the sole IP route). Consult BÜGEM for PVP status of specific varieties.
Broomrape (Orobanche) Resistance in Sunflower
Critical pest for Turkish sunflower production. Or gene series, new virulent races (F+, G, H), and hybrid resistance breeding by Turkish + multinational seed companies.
Trait Dossier: Broomrape Resistance in Sunflower
6 papers · EuropePMC + OpenAlex · Disease Resistance
1. Current Status
So what: Orobanche race evolution in Thrace and Marmara has outpaced single Or gene deployment. Race G is now dominant in Turkish sunflower fields, and race H has been confirmed in Edirne province. Pyramiding Or7 + QTLs is the only viable strategy.
Turkey's sunflower belt (Thrace, Marmara, Central Anatolia) faces severe Orobanche cumana pressure. Or5-based hybrids broke down by 2015. Or7 (from wild H. annuus) provides resistance to races A-G but race H isolates show 15-25% parasitism on Or7 lines in Edirne trials (2024).
2. Resistance Sources
| Gene/QTL | Chr. | Effective Against | Source | Status |
|---|---|---|---|---|
| Or7 | LG7 | Races A-G | Wild H. annuus (USDA PI lines) | Deployed, breaking vs race H |
| QTL-LG3 | LG3 | Races F, G (quantitative) | INRA/Syngenta mapping pop. | Validated in 2 populations |
| QTL-LG13 | LG13 | Race H (partial) | Turkish wild collections | Preliminary — 1 study |
| Or5 | LG3 | Races A-E only | Widely deployed | DEFEATED for races F+ |
3. Crossing Strategy
Deploy Or7 + QTL-LG3 in hybrid restorer lines. Screen at Edirne hot spot with race G/H inoculum.
Turkish private sector (Limagrain Turkey, Syngenta Turkey, May Agro) leads hybrid sunflower breeding. Use imidazolinone-tolerant (Clearfield) + Or7 stacks as baseline. Add QTL-LG3 via marker-assisted backcrossing. Minimum 3,000-plant F2 populations for recovering Or7 + QTL combination. Validate in naturally infested Thrace trial sites.
4. Recommended Actions
- Immediate: Characterize local Orobanche populations — send soil + seed to Trakya University or TAGEM Edirne
- Screen: Current hybrids against race H inoculum from Edirne
- Introgress: QTL-LG3 into Or7 backgrounds for durable resistance
- Watch: Race H spread from Thrace into Central Anatolia sunflower belt
Generated from 6 published papers. Verify Orobanche race classification with local pathology labs.
Bacterial Leaf Blight Resistance in Rice
Xa21, xa13, xa5 gene pyramiding for BLB resistance. IRRI/ICAR collaboration, Sub1 + BLB stacking for flood-prone Eastern India.
Trait Dossier: BLB Resistance in Rice
9 papers · EuropePMC + OpenAlex · Disease Resistance
1. Current Status
So what: The Xa21 + xa13 + xa5 three-gene pyramid remains the gold standard for BLB resistance in Indian rice, effective against all 10 prevalent Xoo pathotypes. ICAR-IIRR has released improved Samba Mahsuri (BPT 5204) lines carrying this pyramid.
BLB causes 20-50% yield losses in kharif rice across Eastern and Southern India. Single Xa genes break down within 3-5 years. The pyramid Xa21 (dominant, broad-spectrum) + xa13 (recessive, race-specific) + xa5 (recessive, broad) provides complementary resistance mechanisms. IRRI-bred donors (IRBB60, IRBB66) are the standard sources.
2. Markers
| Gene | Chr. | Type | Marker | Confidence |
|---|---|---|---|---|
| Xa21 | 11 | Dominant | pTA248 (STS) | ★★★ |
| xa13 | 8 | Recessive | xa13-prom (functional) | ★★★ |
| xa5 | 5 | Recessive | xa5FM (functional) | ★★★ |
| Sub1A | 9 | Dominant | Sub1A203 (functional) | ★★★ |
3. Crossing Strategy
Stack Xa21+xa13+xa5+Sub1A in Swarna/Samba Mahsuri background for Eastern India flood+BLB zones.
Use IRBB66 (3-gene BLB pyramid) x Swarna-Sub1 (submergence tolerant). MAS at F2 for all 4 genes. BC2F3 with background selection using 5K SNP chip. ICAR-IIRR Hyderabad and CRRI Cuttack provide phenotyping infrastructure.
4. Recommended Actions
- Immediate: Request IRBB60/IRBB66 from IRRI under SMTA
- Deploy: 3-gene pyramid + Sub1A in flood-prone Bihar/Odisha/Assam varieties
- No IP barriers: Xa genes are in public domain, markers freely available
- PPV&FR note: Improved Samba Mahsuri is registered — breeders can use as parent, farmers can save seed
Generated from 9 published papers. Access IRRI germplasm under SMTA.
Bt Cotton Technology — IP & Trait Fee Landscape
Monsanto/Bayer Bt gene patents, Section 3(j) exclusion, government royalty caps, and the Nuziveedu ruling impact.
Patent Intelligence Brief: Bt Cotton Technology in India
4 patents · 6 papers · EPO + Indian Patent Office
1. Executive Summary
The IP landscape for Bt cotton in India is uniquely complex. The Delhi High Court ruled Bt gene constructs may fall under Section 3(j) exclusion. Government-imposed trait fee caps limit royalty income. New entrants can develop Bt cotton using public-domain Cry genes without Monsanto/Bayer licensing.
2. Key IP Landscape
| Technology | Holder | Patent Status (India) | Practical Impact |
|---|---|---|---|
| Bollgard II (Cry1Ac+Cry2Ab) | Bayer (ex-Monsanto) | Challenged — Section 3(j) | Trait fee capped by govt at Rs 49/packet |
| Cry1Ac (original) | Public domain (expired) | N/A | Free to use — multiple Indian Bt events available |
| BGII-RRF (Roundup Ready Flex) | Bayer | Not approved in India | No market impact |
| Indigenous Bt events | ICAR/UAS Dharwad/JK Agri | PPV&FR registered | Alternative to Bayer technology |
3. Freedom to Operate
Section 3(j) Patents Act: Plants and seeds per se cannot be patented in India. The Nuziveedu ruling established that Bt gene constructs in seed form may fall under this exclusion. This means Indian seed companies can develop and sell Bt cotton varieties using public-domain Cry genes without patent licensing from Bayer.
4. Recommended Actions
- Use public Bt events: ICAR/UAS Dharwad indigenous Bt events are freely available
- PPV&FR protection: Register your Bt cotton varieties under PPV&FR Act for 15-year protection
- Farmer rights: Under PPV&FR, farmers CAN save and replant Bt cotton seed
- Monitor: Pink bollworm resistance to Cry2Ab spreading in Gujarat/Maharashtra — refuge compliance critical
This brief does NOT constitute legal advice. Section 3(j) interpretation remains contested. Consult an IP professional for specific situations.
Iron & Zinc Biofortification in Pearl Millet
ICRISAT/HarvestPlus program. Fe/Zn QTLs, Dhanashakti variety, and scaling biofortified bajra across Rajasthan and Gujarat.
Trait Dossier: Fe/Zn Biofortification in Pearl Millet
7 papers · EuropePMC + OpenAlex · Quality & Nutrition
1. Current Status
So what: Dhanashakti (ICTP 8203-Fe-10-2) is the first biofortified pearl millet released in India with 71 ppm Fe and 40 ppm Zn — meeting HarvestPlus targets. Three more high-Fe OPVs are in pipeline from ICRISAT.
Pearl millet is the primary cereal for 90 million people in arid Western India. Iron deficiency anemia affects 53% of Indian women. ICRISAT's biofortification program has achieved 70+ ppm Fe (vs 42 ppm baseline) without yield penalty. The Fe and Zn traits are positively correlated (r=0.6-0.8) — selecting for one improves the other.
2. Key Germplasm
| Variety/Line | Fe (ppm) | Zn (ppm) | Yield | Source |
|---|---|---|---|---|
| Dhanashakti | 71 | 40 | 2.2 t/ha | ICRISAT Hyderabad |
| AHB 1200 Fe | 73 | 41 | 2.8 t/ha (hybrid) | MPKV Rahuri |
| ICTP 8203-Fe-10-18 | 82 | 45 | 2.0 t/ha | ICRISAT pipeline |
3. Crossing Strategy
Use Dhanashakti as Fe/Zn donor in hybrid parent development. Screen for Fe by XRF — throughput 200 samples/day at ICRISAT.
Cross high-Fe OPV lines x elite restorers for hybrid development. Phenotype Fe/Zn by XRF at ICRISAT Patancheru. GS model trained on ICRISAT breeding population (h2=0.6 for Fe). Target 70+ ppm Fe with 3+ t/ha yield in A-zone (Rajasthan) hybrids.
4. Recommended Actions
- Immediate: Request Dhanashakti and ICTP 8203-Fe lines from ICRISAT under SMTA
- Breeding target: 70+ ppm Fe, 40+ ppm Zn, 3+ t/ha grain yield, downy mildew resistant
- XRF screening: Available at ICRISAT Patancheru — contact biofortification unit
- No IP barriers: All HarvestPlus/ICRISAT biofortified germplasm available under SMTA
Generated from 7 published papers. Access germplasm through ICRISAT under SMTA.
Asian Soybean Rust Resistance
Phakopsora pachyrhizi — the #1 biotic threat to Brazilian soybean. Rpp gene mapping, fungicide resistance evolution, and Embrapa/TMG breeding pipeline.
Trait Dossier: Asian Soybean Rust Resistance
10 papers · EuropePMC + OpenAlex · Disease Resistance
1. Current Status
So what: No single Rpp gene provides durable resistance — Brazilian Phakopsora populations have virulence against Rpp1-Rpp6 individually. The only viable strategy is pyramiding Rpp2 + Rpp4 + partial resistance QTLs, combined with reduced fungicide applications.
Asian soybean rust costs Brazil ~$2-3 billion/year in fungicide applications + yield losses. All 6 known Rpp genes (Rpp1-Rpp6) have been overcome individually by virulent isolates in Mato Grosso and Goias. Fungicide resistance (triazole + strobilurin) is spreading. Embrapa and TMG are shifting toward multi-gene pyramids + quantitative partial resistance.
2. Resistance Sources
| Gene | Chr. | Source | Status in Brazil | Confidence |
|---|---|---|---|---|
| Rpp2 | 16 | PI 230970 | Partially effective — reduces severity 40-60% | ★★★ |
| Rpp4 | 18 | PI 459025B | Effective against most but not all isolates | ★★★ |
| Rpp5 | 3 | PI 200456 | Broad spectrum but defeated in MT | ★★☆ |
| Partial resistance QTLs | Multiple | Embrapa breeding lines | Reduces severity 20-30% additively | ★★☆ |
3. Crossing Strategy
Pyramid Rpp2 + Rpp4 in adapted tropical soybean backgrounds + select for partial resistance using genomic selection.
Use TMG/Embrapa elite indeterminate maturity group 8-9 lines as recurrent parents. Introgress Rpp2 + Rpp4 via MABC using validated KASP markers. Add GS for partial resistance QTLs. Screen at Embrapa Soja Londrina rust nursery. Target Cerrado adaptation + 60+ bu/acre yield.
4. Recommended Actions
- Immediate: Request Rpp2+Rpp4 pyramid lines from Embrapa Soja Londrina
- Screen: Against current Mato Grosso Pst populations — virulence evolves fast
- Strategy: Combine genetic resistance with reduced fungicide (2 apps instead of 4)
- LPC note: Rpp source germplasm is public domain — no PVP restrictions on PI accessions
Generated from 10 published papers. Verify rust race prevalence with Embrapa annual pathotype surveys.
Intacta Soybean Technology — Dual IP Landscape
Bayer/Monsanto Intacta RR2 PRO and Intacta2 Xtend patents + variety PVP. Brazil's dual IP system: LPC + patent on transgenic traits.
Patent Intelligence Brief: Intacta Soybean Technology
6 patents · EPO + INPI Brazil
1. Executive Summary
Brazil's dual IP system creates two layers: Bayer holds patents on the Intacta gene construct (Cry1Ac + CP4 EPSPS), while seed companies hold LPC variety protection on their Intacta-containing cultivars. Royalties are collected at both levels — trait fee to Bayer + variety royalty to breeder.
2. Key IP Landscape
| IP Type | Holder | Scope | Expiry |
|---|---|---|---|
| Patent (INPI) | Bayer (ex-Monsanto) | Intacta RR2 PRO gene construct | 2028 |
| Patent (INPI) | Bayer | Intacta2 Xtend (dicamba tolerance) | 2036 |
| LPC (SNPC) | TMG, GDM, Brasmax, etc. | Individual soybean varieties | 15 years from registration |
| LPC (SNPC) | Embrapa | BRS series conventional varieties | 15 years |
3. Freedom to Operate
UPOV 1978 (Brazil's Act): Breeder's exception applies — you CAN use any LPC-protected variety as a parent. BUT: if the parent contains a patented transgenic trait (Intacta), the patent follows into your progeny. You need a trait license from Bayer to commercialize Intacta-containing varieties.
Post-2028: When the original Intacta RR2 PRO patent expires, trait fees end. This will significantly change the competitive landscape — conventional and post-patent soybean varieties become more attractive.
4. Recommended Actions
- For Intacta varieties: Secure trait license from Bayer before commercialization
- Post-patent strategy: Develop Intacta-containing varieties now for 2028+ royalty-free commercialization
- Alternative: Embrapa Block Insect Resistance (BtRR2) + conventional high-yield varieties
- Gene editing: CTNBio allows non-GMO gene edits — CRISPR insect resistance without trait fees is the long-term play
This brief does NOT constitute legal advice. Dual IP (LPC + patent) creates complexity — consult a Brazilian IP attorney for specific situations.
Citrus Greening (HLB) Resistance in Orange
Huanglongbing is devastating Brazil's $6B citrus industry. Candidatus Liberibacter tolerance, vector resistance, and CTV-tolerant rootstocks.
Trait Dossier: Citrus Greening (HLB) Resistance
8 papers · EuropePMC + OpenAlex · Disease Resistance
1. Current Status
So what: No commercially available citrus variety is fully resistant to HLB. The best current strategy is tolerant rootstock + intensive psyllid management. Poncirus trifoliata crosses show the most promise but introduce juice quality problems. CRISPR-edited canker resistance (via CsLOB1 knockout) is in advanced testing at Fundecitrus.
HLB has infected >20% of São Paulo state's citrus trees. Candidatus Liberibacter asiaticus (CLas) has no cure once established. The Asian citrus psyllid (Diaphorina citri) vector is widespread. Brazil loses ~$1B/year to HLB management costs + tree removal. Fundecitrus and IAC Cordeirópolis are the primary breeding centers.
2. Tolerance Sources
| Source | Type | HLB Response | Limitation |
|---|---|---|---|
| Poncirus trifoliata | Rootstock | Tolerant — lower CLas titers | Poor juice quality in scions |
| US-942 rootstock | Rootstock | Field tolerant in Florida | Limited Brazilian testing |
| LAS-tolerant selections | IAC scion | Slower decline, maintain yield | Not immune — still infected |
| CsLOB1 CRISPR edit | Canker resistance | Indirect benefit (healthier trees) | Gene editing, not yet released |
3. Recommended Actions
- Rootstock: Trial Poncirus trifoliata hybrids (citrandarins) as rootstock in HLB-endemic blocks
- Scion selection: Screen IAC tolerant selections in your groves — reduced decline = extended productive life
- Gene editing: CsLOB1 canker resistance edit is NOT classified as GMO by CTNBio — fast-track potential
- No IP barriers: Poncirus rootstocks are public domain; IAC selections available through SNPC
Generated from 8 published papers. HLB management is an integrated approach — genetic tolerance alone is insufficient without vector control.
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