DISEASES OF COTTON – Agricultural study materials

DISEASES CAUSAL ORGANISM Fusarium Wilt Fusarium oxysporium f.sp.vasinfectum Verticilium Wilt Verticillium dahliae Grey mildew or Areolate mildew Ramularia areola Root rot Rhizoctonia bataticola Anthracnose Colletotrichum capsici and Glomerella gossipii Leaf…

DISEASES OF LINSEED – Agricultural study materials

DISEASES CAUSAL ORGANISM Rust Melamspora lini Wilt Fusarium oxysporum f.sp. lini Powdery mildew Oidium lini Alternaria leaf spot Alternaria lini Septoria leaf spot Mycosphaerella linorum 1. Rust –Melamspora lini Symptoms…

DISEASES OF BENGAL GRAM / CHICK PEA – Free Study Material

1. WILT – Fusarium oxysporum f.sp. ciceri Symptoms The disease occurs in seedling stage and flowering stage. Infected seedlings show yellowing, drying of leaves, browning of vascular bundles and finally…

Pests On Tuber Crops – Potato, sweet potato – Insects study materials

PESTS ON TUBER CROPS POTATO Cutworms,    Noctuidae: Lepidoptera Common cutworm,     Agrotis segetum  Black cutworm, Agrotis ipsilon  Spotted cutworm, Xestia C-nigrum  Variegated cutworm, Peridroma saucia Feed on foliage Cut…

Pest Affecting moringa, drumstick tree, horseradish tree, and ben oil tree or benzolive tree – Free Study Material

MORINGA Moringa oleifera is a plant that is often called the drumstick tree, the miracle tree, the ben oil tree, or the horseradish tree. Moringa has been used for centuries due to its…

Pest Affecting Cruciferous vegetables like cauliflower, cabbage, kale, garden cress, bok choy, broccoli, Brussels – Free Online Studymaterial

CRUCIFEROUS VEGETABLES Cruciferous vegetables are vegetables of the family Brassicaceae (also called Cruciferae) with many genera, species, and cultivars being raised for food production such as cauliflower, cabbage, kale, garden…

PEST IN CUCURBITATIOUS VEGETABLES – CUCUMBER, WATERMELONS, SQUASH AND PUMPKIN, GUARDS – Free Online Studymaterial

family of chiefly herbaceous tendril-bearing vines (order Campanulales) that are characterized by an inferior ovary and anthers usually united and that include food plants (as the cucumber, melon, squash, and…

Pest Affecting Brinjal Production – Free Online Agri Studymaterial

BRINJAL Shoot and fruit borer Leucinodes orbonalis (Pyraustidae: Lepidoptera) Leucinodes orbonalis is the most important and destructive pest of brinjal. It starts damaging brinjal plant, few weeks after transplantation.  Larva…

Pest Of Lily, Neriyum, chyrysanthemum,Crotons, Teak, casuarina, Bamboo, Eucalyptus, Neem etc

PESTS OF LILY Leaf caterpillar Polytela gloriosa Noctuidae :  Lepidoptera Adult – brown with yellow and red markings. Larva -leaf feeder PESTS OF NERIUM Sphingid caterpillar   Deilephila nerii  …

Pest or Insects Affecting Coffee Production – Types of pest Affecting the Coffee – Free Study Material

PESTS OF COFFEE White stem borer Xylotrechus quadripes Cerambycidae: Coleoptera White stem borer is the most serious pest of Arabica coffee in India.  Alternate host plants include Robusta tree coffee,…

Pest Affecting Cardomom and Betelvine – Pest control Studymaterial

CARDAMOM Shoot/panicle/capsule borer Conogethes punctiferalis (Pyraustidae: Lepidoptera) It is a serious pest of nurseries in Tamil Nadu, Karnataka and Kerala. Alternate hosts are castor, turmeric, guava, mulberry etc. Larvae bore…

Pest Affect in Pepper Production – Pest control in pepper

PEPPER Pollu beetle, Longitarsus nigripennis  (Alticidae: Coleoptera) This is the most important pest in West coast area. It causes 30 to 40 percent loss in yield of pepper. Grub feeds…

Pest In ONION and GARLIC – Pest affecting Onion and Garlic – Pest Studymaterial

Onion Onion Thrips,Thrips tabaci  (Thripidae: Thysanoptera) It is a major cosmopolitan thrips injurious to onion and garlic. Nymphs and adults remain in dense at leaf bases and whorls of onion…

Pests on Chillies, Turmeric and Ginger

PESTS ON SPICES AND CONDIMENTS CHILLIES Chilli thrips Scirtothrips dorsalis (Thripidae: Thysanoptera) Thrips cause severe damage in areas where chilli is cultivated as a dry crop. It also attacks on…

SugarCane Pests – Study About Pest – Sugarcane production – Free Study guide

PESTS ON SUGARCANEEarly shoot borer – Chilo infuscatellus (Crambidae: Lepidoptera) P refer 1-3 months old crop. Caterpillar enters the stem by making holes above the ground level.  Formation of “dead…

Pest On CITRUS fruits – Lemon, Orange, etc – Free Online Studymaterial

CITRUS Lime tree borer or orange borers Chelidonium cinctum (Cerambycidae: Coleoptera) This is a major and highly destructive pest in South India.  Wilting of twigs and stems, gum exudations and…

Pest on Mango – What are all the Pest Affects mango production – Mango production, Cultivation

MANGO Mango hoppers Idioscopus clypealis, I. niveosparsus, Amritodes atkinsoni      (Cicadellidae: Hemiptera) Hoppers are the most destructive pests of mango. Hoppers are active throughout the year, but abundant during…

Pest On Pulses – Agricultural studies

PESTS ON PULSES Gram pod borer –Helicoverpa armigera    Noctuidae: Lepidoptera It is a serious pest of chickpea, pigeonpea, pea, mungbean, urd bean, lentil, soybean, cowpea, cotton, sorghum, okra, maize, tomato,…

Pest Affecting fruits – Banana, Apple, Grapes, Fig, Tamarind, Papaya, star goosberry, custard apple, pear, peach and plum

BANANA Rhizome weevil Cosmopolites sordidus (Curculionidae: Coleoptera) It is a major pest of banana. Adult is a stout, reddish brown weevil.  Grub is apodous and yellowish with reddish head. Grub…

PEST Affecting the Fruits – GUAVA, BER, JACK AND PINEAPPLE – Pest Studymaterial

GUAVA Tea mosquito bug Helopeltis antonii (Miridae: Hemiptera) Fruit borer/ Castor capsule borer Conogethes punctiferalis (Pyraustidae: Lepidoptera) Guava fruit flies Bactrocera diversus (Tephritidae: Diptera) Whiteflies, Aleurotuberculatus psidii (Aleyrodidae: Hemiptera) Aphids,…

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