DISEASES CAUSAL ORGANISM Seedling blight Phytophthora parasitica Rust Melampsora ricini Leaf blight Alternaria ricini Brown leaf spot Cercospora ricinicola Bacterial leaf blight Xanthomonas campestris pv. ricini 1. SEDLING BLIGHT – Phytophthora parasitica Symptoms The disease appears as circular, dull green patch on both the surface of the cotyledonary leaves. Later it spreads and cause rotting. […]
Tag: pest management procedure
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 […]
Disease of Barley Plant – Agricultural study materials
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 […]
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 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 pumpkin), drug plants (as the colocynth), and ornamental plants (as the gourds) Fruit flies (Tephritidae: Diptera) Bactrocera dorsalis: Adult is a reddish-brown fly with lemon-yellow […]
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 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 Sphingidae : Lepidoptera Adult: Robust, green moth with yellow markings Leaf butterfly Euploea core Danaidae : Lepidoptera Larva: Blackish brown, […]
Pest Affecting the Production of Jasmine and Rose – Jasmine and Rose pest study material
PESTS OF JASMINE Budworm, Hendecasis duplifascialis Hmpsn Pyraustidae Lepidoptera Caterpillar makes hole on the flower bud and feeds on the inner content. Larva also attacks 2 -3 buds and buds are webbed together by silken threads. Adult is a small white moth with black palpi and three lines on the abdomen and hind legs. Larva […]
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, teak, Oleadioica etc. However, borer usually does not breed in these plants. Adult is slender and 2.5 cm long beetle. Forewings are black with white […]
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 on growing tip, tender stem, leaf petiole, spikes and berry. Tunneling of tender stem causes drying up of shoot. Portions of spikes tunneled by grubs […]
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 tea, acacia, prosopis, castor, cotton, mango, onion, groundnut, pomegranate, pulses, brinjal grape vine, Citrus sp. and numerous weeds. Both nymphs and adults lacerate leaf tissues […]
Pests On Cotton – Pest Affects the cotton – Study material
PESTS ON COTTONCotton Aphid, Aphis gossypii (Aphididae : Hemiptera) World wide, potential pest – Highly polyphagous, wider host range Nymphs and adults desap on young crop in colonies. Tender leaves curl up, reduced in size, gradually fade and dry up. Plant growth severely shunted. Leaves show oily appearance Sooty mould develops on honey dew on […]
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 wood powder accumulation on ground below are symptoms of attack. Adult is dull metallic green to dark violet with a yellow band across the middle […]
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 hot months of May to June and cold months of October to January, synchronizing with flowering of mango trees. When inflorescence appears, hoppers start laying […]
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 bores into rhizome and tunnels within it. Pupates within a chamber made near the outer surface of rhizome. Adult also tunnels within stem feeding on […]
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, 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) […]
WHAT IS PEST ON MILLETS – Study About Pest Affects Millets
Millets are indigenous to many parts of the world.The most widely grown millet is pearl millet, which is an important crop in India and parts of Africa.Finger millet, proso millet, and foxtail millet are also important crop species In India, various alcoholic beverages are produced from millets.[31] Millet is also the base ingredient for the […]