Method for skillfully treating corn red spiders
The invention relates to a method for skillfully treating corn red spiders, and provides a chain for preventing and treating first-generation red spider female insects just coming out of stings by utilizing low temperature, red spiders just resuscitating and intensively releasing natural enemy preda...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a method for skillfully treating corn red spiders, and provides a chain for preventing and treating first-generation red spider female insects just coming out of stings by utilizing low temperature, red spiders just resuscitating and intensively releasing natural enemy predatory mites before corn sowing according to the annual occurrence rule of the corn red spiders, blocking red spider oviposition and reducing annual occurrence cardinal number of the red spiders. The method specifically comprises the following steps that the time for preventing and treating the corn red spiders is selected: a) the time for preventing and treating the corn red spiders is selected in April for the first time; b) the time for preventing and treating the corn red spiders for the second time is selected in a corn bell mouth period; a) an area for preventing and treating the corn red spiders for the first time is selected, wherein the area is about 1m outside a ridge and about 1m inside the ridge; b) the a |
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