Browsing International Journal of Tea Science Volume 3 (2004) by Subject "Tea -- Diseases and pests -- Control"

Browsing International Journal of Tea Science Volume 3 (2004) by Subject "Tea -- Diseases and pests -- Control"

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  • How effective are predators of tea pests? A perspective 
    Banerjee, B.; Jain, N.K. (International Society of Tea Science (ISTS), 2004)
    Natural enemies of tea pests have co-evolved with their preys. Most have a fairly low level of satiation and, therefore, may not control the pests in the conventional sense. They do, however, regulate the pest population ...
  • Present situation of pesticide residues and biological suppression of pests and diseases in Chinese tea gardens 
    Han, B.; Dong, W.; Cui, L.; Jain, N.K. (International Society of Tea Science (ISTS), 2004)
    Several insecticides, germicides and herbicides which, are now prohibited, are still used in Chinese common tea gardens. Applied amounts of the pesticides with high toxicity and long time residues, such as methomyl, cannot ...
  • Tea pests and their management with bio-pesticides 
    Wahab, S.; Jain, N.K. (International Society of Tea Science (ISTS), 2004)
    The increasing demand for higher productivity of tea, results in its intensive cultivation, which increases the pressure from insect pests on this crop. Chemical pesticides, irrespective of their toxicity status, are being ...