Root rot and stem rot Macrophomina phaseolina Bacterial wilt Pseudomonas solanacearum 1. ROOT ROT and STEM ROT – Macrophomina phaseolina Symptoms The fungus attacks the stem at the nodal region, causing shredding of the bark. In mature plants, necrotic lesions on the leaves appear at the apex and along their margins. Pycnidia are formed on […]
Tag: Pest affects jasmine
Disease of Oats plants – Agricultural study materials
Diseases of oats DISEASES CAUSAL ORGANISM Septoria avenae blotch Phaeosphaeria avenaria f.sp. avenaria Stem and leaf rust Puccinia graminis var. avena Leaf spot Drechslera campanulata Bacterial blight Pseudomonas syringae pv.striafaciens Yellow dwarf Barley yellow dwarf virus 1. Septoria avenae blotch — Phaeosphaeria avenaria f.sp. avenaria Symptoms The fungus infects leaves, sheaths and stem and […]
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 […]
PESTS OF MEDICINAL AND AROMATIC PLANTS – Free Study Material
BELLADONA Cut worm, Agrotis flammetra (Noctuidae: Lepidoptera) Leaf feeder, Archipsinca ceana SENNA Green leaf eating caterpillar, Catopsilia pyranthe Pierdae Lepidoptera Pod borer, Etiella zinckenella Phycitidae Lepidoptera LONG PEPPER Mealy bug, Dysmicoccus sp. (Pseudococcidae: Hemiptera) Tea mosquito bug, Helopeltis theivora (Miridae: Hemiptera) MEDICINAL YAMS Aphids, Aphids gossypii, Pentalonia nigronervosa (Aphididae: Hemiptera) Red spider mite, Tetranychus sp […]
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 […]