Counting of Whitefly numbers from yellow sticky traps and from direct count on Bhindi plants.

R.K. Jain

Counting of Whitefly numbers from yellow sticky traps and from direct count on Bhindi plants.

Keywords : Whitefly, Vectors, Bemisia tabaci, Bhindi plants


Abstract

The total density of virus vectors is dependent on incidence, the life cycle since from eggs deposition/oviposition till the emergence of young ones from pupae and the adult stage. The Whitefly (Bemisia tabaci) is always as alatae adult so that can cover long distance as virus vectors. Their number on plants is commonly influenced by fluctuations of weather particularly temperature and relative humidity (RH). Thus, climatic changes play great role. The appearance of whitefly by their numbers is dependent on 25-300C temperature and 30-50 % by relative humidity.

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