2. SYMPTOMS OF INSECT DAMAGES













Comments

Post a Comment

Popular posts from this blog

5. AGROECOSYSTEM SURVEY ANALYSIS (AESA)

Image
5. AGROECOSYSTEM SURVEY ANALYSIS (AESA) AESA is an approach, which can be gainfully employed by extension functionaries and farmers to analyses field situations with regard to pests, defenders, soil conditions, plant health, the influence of climatic factors and their interrelationship for growing healthy crop. Such a critical analysis of the field situations will help in taking appropriate deci sion on management practices. The methodology is as follows. Go to the field in groups. Walk across the field and choose 10 plants randomly. Observe keenly each of these plants and record your observations: v   Plant : observe the plant height, number of tillers, crop stage, deficiency symptoms, etc. v   Pests : observe and count pests at different places on the plant. v   Defenders: observe and count parasites and predators. v   Rats : count numbers of plants affected by rats. v   Weeds : observe weeds in the field and their intensity.
Read more

7. Cultural, 8.Pysical & 9. Mecanical Control

Image
7. CULTURAL METHODS OF CONTROL Definition : Manipulation of cultural practices to the disadvantage of pests. I.                     Farm level practices Sl.no. Cropping techniques Pest checked       Summer Ploughing Red hairy caterpillar 2.     Allowing ducks into the field Swarming caterpillar 3.         Puddling Rice mealy bug 4.         Trimming and plastering Rice grass hopper 5.         Pest free seed material Potato tuber moth, Banana rhizome weevil, Sweet potato weevil. 6.         High seed rate Sorghum shootfly 7.         Plant density Rice brown planthopper 8.         Earthing up Sugarcane early shoot borer, cotton stem weevil. 9.
Read more