The major viral disease of cotton is____________________? April 25, 2025 by admin A. Cotton boll rot virus B. Cotton stem crinkle virus C. Cotton leaf curl virus D. None of the above
Which one of the following is polyphagus insect__________________? April 25, 2025 by admin A. American boll worm B. Whitefly C. Aphids D. A
Leaf spot or tikka is the disease of____________________? April 25, 2025 by admin A. Soybean B. Sunflower C. Ground nuts D. none of these
Gummosis is the disease of_________________? April 25, 2025 by admin A. Mango B. Guava C. Citrus (Lemon) D. none
Blast disease is an international disease of________________? April 25, 2025 by admin A. Wheat B. Sugarcane C. Cotton D. rice
Organo-chlorine insecticides includes___________________? April 25, 2025 by admin A. DDT B. Aldrin and Diehydrin C. Aindone and Heptachlor D. All the above
The insecticides with longest residual effect belongs to___________________? April 25, 2025 by admin A. Pyrethroid B. Carbamates C. Organo-chlorine D. Organio-phosphate
Formulation or insecticides is__________________? April 25, 2025 by admin A. Dust B. EC C. Granular D. Fungiments
The economic injury level for white fly is________________? April 25, 2025 by admin A. 1-2 nymphs/leaf B. 2-3 nymphs/leaf C. 3-4 nymphs/leaf D. 1 nymphs/leaf
The entrance point for air in insects are known as _________________? April 25, 2025 by admin A. Trachea B. Spines C. Secretion D. Nervous system
