PAT 302 Diseases of Field and Horticultural crops PDF

**PAT 302 Diseases of Field and Horticultural crops and their management-II (2+1)** **DISEASES OF WHEAT** ------------------------------------------------- ---------------------------------------------------------------------------- **DISEASES** **CAUSAL OR...

**PAT 302 Diseases of Field and Horticultural crops and their management-II (2+1)** **DISEASES OF WHEAT** ------------------------------------------------- ---------------------------------------------------------------------------- **DISEASES** **CAUSAL ORGANISM** **Black / Stem rust** *Puccinia graminis f.sp.tritici /Barberry sp* **Leaf / brown / orange rust** *Puccinia triticina* ** *(BCTV), Beet severe curly top virus (BSCTV, Beet mild curly top virus (BMCTV)* Transmitted by beet leaf hoppers *Circulifer tenellus* **4. Beet Yellows :** Beet yellow virus /*Beet Western Yellows Virus (BWYV)* Aphids (green peach aphids and black bean aphids). **[DISEASES OF CARROT ]** 1\. Cercospora leaf spot : *Cercospora carotae* 2\. Alternaria blight : *Alternaria carotae* 3\. **Bacterial soft rot : *Erwinia carotovora* pv. *Carotovora*** **[DISEASES OF RADISH]** 1. **Alternaria Blight-**Alternaria raphanin 2. **White Rust -**Albugo candida 3. Downy mildew- Peronospora parasitica 4. **Black rot-*Xanthomonas compestrispv compestris*** 5. **Radish mosaic -Radish enation mosaic virus, radish mosaic comovirus** Virus is transmitted by arthropods, by insects of the order **Coleoptera**; *Phyllotreta* ssp., *Epitrix hirtipennis* and *Diabrotica undecimpunctata* **[DISEASES OF YAM]** 1\. Anthracnose: *Glomerella cingulata* 2\. Leaf spot: *Cercospora carbonaceae* **[DISEASES OF COLOCASIA ]** **1. Phytophthora leaf blight :** *Phytophthora colocasiae* **2***. **Phyllosticta*** **leaf spot :** *Phyllosticta colocasiophila* **3. *Pythium* root and corm rot :** *Pythium* spp; *Phytophthora cinnamomi* **4. Dasheen mosaic :** Dasheen mosaic virus (DsMV) **[DISEASES OF TAPIOCA (CASSAVA])** 1\. **Tapioca mosaic :** Cassava mosaic virus /White fly --*Bemisia tabaci* 2\. ***Cercospora* leaf spot :** *Cercospora henningsii* ***[Diseases of spices and condiments]*** **[DISEASES OF ONION ]** 1\. **Purple blotch : *Alternaria porri*** 2\. Smut : *Urocystis cepulae* 3\. Basal rot : *Fusarium oxysporum* f.sp*.cepae* 4\. **Onion yellow dwarf : Virus /Aphids -Aphis maydis** **[DISEASES OF GARLIC]** 1. **Neck rot**- *Botrytis allii* **[DISEASES OF CHILLIES]** 1. Damping-off : *Pythium aphanidermatum* 2. Powdery mildew : *Leveillula taurica* 3. Fruit rot and Die-back : *Colletotrichum capsici* 4. Cercospora leaf spot :*Cercospora capsici* 5. Fusarium wilt :*Fusarium oxysporum f.sp.capsici* 6. Bacterial leaf spot : *Xanthomoas campestris pv. Vesicatoria* 7. **LEAF CURL -Chilli leaf curl virus/**white fly *Bemisia tabaci* 8. **CHILLI MOSAIC- Cucumber mosaic virus /***Aphis gossypii*, *A. craccivora* 1. **[DISEASES OF TURMERIC]** 1\. Turmeric leaf spot : *Colletotrichum capsici* 2\. Turmeric leaf blotch : *Taphrina maculans* 3\. Rhizome rot -- *Pythium aphanidermatum* **[DISEASES OF GINGER ]** 1\. Rhizome rot/soft rot : *Pythium aphanidermatum* 2\. Yellows/wilt : *Fusarium oxysporum* f.sp *zingiberi* 3\. Leaf spot : *Colletotrichum zingiberis* 4\. Storage rots : *F. oxysporum & P. myriotylum* 5\. Phyllosticta leaf spot : *Phyllosticta zingiberi* **[DISEASES OF CORIANDER ]** 1**. Stem gall / Tumour : *Protomyces macrosporus*** 2\. Powdery mildew : *Erysiphe polygoni* 3\. Wilt : *Fusarium oxysporum* f.sp. *corianderii* **[DISEASES OF CARDAMOM ]** 1. **Capsule rot : *Phytophthora meadii /Phytophthora nicotianae var. nicotianae*** 2. **Chenthal : *Corynebacterium* sp./ *Colletotrichum gloeosporides*** 3. **Katte disease :** *Cardamom mosaic virus*, **[DISEASES OF PEPPER ]** 1\. Quick wilt or *Phytophthora* foot rot : *Phytophthora capsici* 2\. Pollu Disease/ Anthracnose : *Colletotrichum gloeosporioides* **DISEASES OF BETELVINE** ------------------------------------ --------------------------------------------- 1\. Foot rot and Leaf rot / wilt : *Phytophthora parasitica* var. *piperina* 2\. *Sclerotium* foot rot and wilt : Sclerotium rolfsii 3\. Powdery mildew : Oidium piperis 4\. Anthracnose : Colletotrichum piperis 5\. Bacterial leaf spot : *Xanthomonas campestris* pv. *Betlicloa* ------------------------------------ --------------------------------------------- **Diseases of Vanilla** **1.Root rot: *Fusarium* sp., *Sclerotium* sp.** **[DISEASES OF JASMINE]** 1\. *Cercospora* Leaf spot : *Cercospora jasminicola* 2\. *Alternaria* Leaf spot : *Alternaria alternate* 3*. Alternaria* Leaf blight : *Alternaria jasmine* 4\. Wilt : *Fusarium solani* 5\. Rust : *Uromyees habsonii* 6\. Bacterial leaf spot : *Xanthomonas jasmine* 7\. ***Phyllody : Phytoplasma*** 1. ***Transmitted by grafting and white fly: Dialeurodes kirkaldii*** **[DISEASES OF ROSE]** 1.**Powdery mildew** : *Sphaerotheca pannosa* var *rosae* 2\. **Die back :** *Diplodia rosarum* 3\. **Black spot** : *Diplocarpon rosae* 4\. **Rust** : *Phragmidium mucronatum* **[DISEASES OF CROSSANDRA]** **Wilt:** *Fusarium solani* **[DISEASES OF CHRYSANTHEMUM ]** 1\. Wilt -*Fusarium oxysporum* f.sp*. chrysanthemi* 2\. Rust -*Puccinia chrysanthemi* 3\. *Septoria* Leaf Spot -*Sepotria chrysanthemella* 4\. Powdery Mildew -*Oidium chrysanthemi* **[DISEASES OF MARIGOLD]** 1. **Fusarium wilt: *Fusarium oxysporum* f.sp. *callistephi*** 2. **LEAF SPOT AND BLIGHT-*Alternaria, Cercospora* and *Septoria sp*.** **[DISEASES OF TUBE ROSE]** 1. **Blossom blight-**Fusarium equiseti 2. **Leaf Spot-*Alternaria polyantha*** 3. **Wilt and stem rot / Foot and tuber rot-*Sclerotium rolfsii*** 4. **Blight / Leaf and Flower Spot: *Botrytis elliptica*** 5. Flower bud rot-***Erwinia* sp.** **[DISEASES OF GLORIOSA]** 1. Root rot -***Sclerotium rolfsii*** 2. **Leaf Blight-*Curvularia lunata*** 3. Mosaic -**Aphid (**Glory lily mosaic virus) **[DISEASES OF COLEUS]** 1. **Wilt -*Fusarium chlamydosporum*** 2. Root rot-***Macrophomina phaseolina*** 3. **Blight Disease -*Rhizoctonia solani*** **[DISEASES OF STEVIA]** 1. Root Rot-***Sclerotium rolfsii*** 2. Leaf Spot - ***Alternaria alternata*** **[DISEASES OF ALOE]** 1. **Base Rot-*Pectobacterium chrysanthemi*** 2. **Leaf Spot-*Alternaria alternata***