论文部分内容阅读
防治枣树红蜘蛛新法枣树红蜘蛛是枣树上的主要害螨，该螨取食枣叶，造成叶片失绿，提早脱落，严重影响枣树生长和枣果产量。该螨主要以卵在树干皮缝中越冬，翌年３月上中旬卵开始孵化。幼虫从树干向树下杂草转移，在杂草上繁殖一、二代后，于枣树发芽前（４月２０日左右）...
Jujube red spider control jujube tree spider mite jujube is the main pest, the mite Jujube leaves, causing the leaves green, early off, seriously affecting jujube growth and jujube production. The mite is mainly winter eggs in the cracks in the trunk of the trunk, in mid-March the following year the eggs began to hatch. Larvae from the tree trunk to the weeds transfer, breeding in the weeds one or two generations after the jujube germination (April 20 or so) ...