2013年8月16日星期五

Proper use of insect virus pesticides

Insect virus pesticides on specific insect virus artificially propagated, collection, purification, processing, and are environmentally friendly pesticides. When used to note the following:

1, available manual sprayers, mist machines and other used equipment for spraying spraying.

2, insect larvae 1-3 instar is the best medication, parasites larger effective longer.

3, select cloudy or spraying after the sun goes down, avoid direct sunlight at noon affect the efficacy, and can not be mixed with alkaline pesticides.

4, the water dispersible granules mu less, to ensure the efficacy, dispensing time by way of secondary dilution, the first mother liquor is made, together with sufficient water to prepare a hand held sprayer spraying liquid.

5, the user in order to improve the overall control effect and to rid of other pests, and crop control object can be added according to chemical pesticides.

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