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Pollination provides information about evolution, ecology, animal learning and foraging behaviour. Flowers not only supply nectar but also provide microclimate, site and shelter for egg laying insects. The association of insects benefits the flower by getting pollinated and ensures the propagation of its own progeny. The floral parts are well modified in shape, size to […]
DISEASES CAUSAL ORGANISM Root rot Macrophomina phaseolina Powdery mildew Oidium sp. Leaf spots Alternaria sp. Cassava Mosaic Disease (CMD) Cassava mosaic gemini virus (CMG) 1. Root rot – Macrophomina phaseolina Symptom Symptoms include yellowing of foliage, reduced leaf size, and eventual death of the plant due to root rot. The affected tissues show shredding of […]
DISEASES OF SORGHUM DISEASES CAUSAL ORGANISM Charcoal rot Macrophomina phaseolina Downy mildew / leaf shredding Perenosclerospora sorghi Rust Puccinia purpurea Grain smut / kernal smut / covered smut Sporisorium sorghi Loose smut Sporisorium cruenta Long smut Tolyposporium ehrenbergii Head smut Sporisorium reiliana Ergot / sugary disease Claviceps sorghi Leaf blight Helminthosporium turcicum Rectangular leaf spot […]
DISEASES OF BARLEY DISEASES CAUSAL ORGANISM Leaf rust Puccinia hordei Stem rust Puccinia graminis f.sp. secalis Stripe rust Puccinia striiformis Covered smut Ustilago hordei Loose smut Ustilago nuda Powdery mildew Erysiphe graminis f.sp. hordei Bacterial leaf blight Pseudomonas syringae pv. Syringae Barley stripe mosaic Barley stripe mosaic virus (BSMV) 1. Stem rust — Puccinia graminis […]
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 medicinal properties and health benefits. It also has antifungal, antiviral, antidepressant, and anti-inflammatory properties.Pod fly Gitona distigma (Drosophilidae: Diptera) Aematurely and full-fed caterpillars come out […]
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, Aphis gossypii (Aphididae: Hemiptera) Mealy bugs, Coccus viridis and Ferrisia virgata (Pseudococcidae: Hemiptera) Guava scales Chloropulvinaria psidii (Diaspididae: Hemiptera) Bark borer, Indarbela tetraonis (Metarbelidae: Lepidoptera) […]
Pest Monitoring Monitoring phytophagous insects and their natural enemies is a fundamental tool in IPM – for taking management decision Monitoring – estimation of changes in insect distribution and abundance information about insects, life history influence of biotic and abiotic factors on pest population Pest Surveillance Refers to the constant watch on the population dynamics […]
PEST – Derived from French word ‘Peste’ and Latin term ‘Pestis’ meaning plague or contagious disease Pest is any animal which is noxious, destructive or troublesome to man or his interests A pest is any organism which occurs in large numbers and conflict with man’s welfare, convenience and profit A pest is an organism which […]
Beneficial insects and mites belong to three categories: predators, parasitoids, and pollinators. Predators capture and eat other organisms such as insects or mites. Predators include ladybird beetles, ground beetles, lacewings, syrphid (hover) flies, aphid midges (Aphidoletes) and yellowjacket wasps. Parasitoids are insects that parasitize other insects. The immature stages of parasitoids develop on or within its […]