technology in agriculture

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INTRODUCTION Mealybug is an insect of fruit trees. It not only reduce the fruit production from trees but it also reduces the quality of the fruits hence the fruits are not export quality. The insect larvae and wingless females are most damaging. Mealybug is a sucking insect and it attacks mango from December - January. During this period the larvae attack leaves and inflorescence and deprive them from essential nutrients. It not only feeds on the plants but also secrets a sticky substance which serves as the source of fungal attack. In severe attack of mealybug, fruit does not set and wood is also damaged.  This is a very troublesome insect in the orchards and it is very difficult to reduce its population once it has entered in an orchard. Birds also do not like to prey this insect. Mealybug has been reported on more than a hundred hosts. The insect lays its eggs in closed places. During the end of its life cycle, when the female comes down from the tree, it tries to enter the rhizosp

Whitefly  ( Bemisia tabaci )  is a sucking insect of cotton which not only reduces the growth but most importantly it serves as the vector of Cotton Leaf Curl Virus (CLCuV) which has been a major threat to the cotton in Pakistan. So the farmer must take quick action against the white fly in his field. Following steps can be taken to manage the whitefly in the cotton fields. Hoeing should be done along the water channels with the fields because the weeds along the borders of the field serve as the breeding ground for these white flies.  Weedicides should be sprayed for weed control and pesticides for the controlling the white flies. Detach the leaves which show attack of whitefly and dip in water to kill the pest. When larvae and adults are visible in the field at the same time, spray with such pesticides which are equally effective for both. Do not spray with same pesticide each time. For effective spraying, use hollow cone nozzle sprays . Regularly survey the field in order to kn