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 […]
Tag: pest in sesame
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 wilting of plants. Mode of Spread and Survival The disease spreads through irrigation water and farm implements. The pathogen survives as chlamydospores in the soil […]
Diseases Of Sorghum Plant – Agricultural study material
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 […]
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 tender stem Larvae remain in soil Larva dark brown in colour Pupates inside the soil Adult – brown fore wings with spots and markings Potato […]
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 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 […]
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 cress, bok choy, broccoli, Brussels sprouts and similar green leaf vegetables. The family takes its alternative name (Cruciferae, New Latin for “cross-bearing”) from the shape […]
Pest in Bhendi or lady’s finger – Free Online Studymaterial
BHENDI Shoot and fruit borer Earias vittella, E. insulana (Noctuidae: Lepidoptera) It is commonly known as cotton spotted bollworm and a major pest of bhendi. It is infesting okra, cotton and other malvaceous wild and cultivated plants. Summer bhendi suffers heavily by this pest, after which, it migrates to cotton. Caterpillars bore into tender shoots […]
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 bores into tender shoots and causes withering of terminal shoots or dead hearts. It also bores into petioles of leaves, flower buds and developing fruits […]
Pest on Sesame, Castor, sunflower, Mustard and Green Manure – Free Online Studymaterial
PESTS ON SESAME Til Leaf and Pod Caterpillar, Antigastra catalaunalis Lepidoptera: Pyralidae A serious and regular pest. Young caterpillars feed on leaves. They also bore into the shoots, flowers, buds and pods. An early attack kills the whole plant, but infestation of the shoots at a later stage hampers further growth and flowering. The maximum […]