PEST AND DISEASES OF RUBBER

PEST AND DISEASES OF RUBBER

1. Leaf Disease 2. Panel Disease 3. Root Diseases RUBBER LEAF DISEASES 1. Odium Leaf Disease Causal Organism: Odium heveae The fungus infects leaves at various stages of maturity. Predominantly noticed on newly formed tender flush during the refoliation period. Tender leaves with ashy coating curl, crinkle, and edges roll inwards and fall, leaving the petioles attached…

PEST AND DISEASES IN A TEA PLANTATION

PEST AND DISEASES IN A TEA PLANTATION

What is a tea plantation? A land of tea cultivation is maintained at the commercial level. Pest Management Program in Tea Plantation Managing pests in tea plantation involve safe and environmentally sound use of pesticides to control crop pests when and where needed, as well as integrated pest management (IPM) strategies that avoid total reliance…

PEST & DISEASE OF CARROT, CABBAGE, LETTUCE, AND POTATO

PEST & DISEASE OF CARROT, CABBAGE, LETTUCE, AND POTATO

Pest of Carrot Carrot Rust Fly ( Psila rosae ) Carrot Weevil ( Listronotus oregonensis ) Flea Beetle (Systena blanda) Aphids (Willow-carrot aphid) (Cavariella aegopodii ) Disease of Carrot Alternaria Leaf Blight Fungus (Alternaria dauci ) Bacterial Leaf Blight (Xanthomonas campestris ) Black Rot (Alternaria radicina ) Cavity Spot (Pythium spp.) Pest of Carrot 1. Carrot Rust Fly ( Psila…

PEST AND DISEASES OF FAMILY CUCUEBITS

PEST AND DISEASES OF FAMILY CUCUEBITS

Cucurbits are herbaceous annuals or perennials with a storage root and mostly moist vines. These plants grow either prostrate along the ground or climb using tendrils. Plants rarely grow as trees, shrubs, or bushes. The tendrils can grow branched or simple and generated at the petiole base. There are usually four arched filaments coiling with…