怎样防治葡萄红蜘蛛葡萄红蜘蛛又名葡萄短须螨，以成螨和若螨为害嫩梢、叶片、果梗。果穗、叶片受害后于叶脉两侧呈现褐色锈斑，严重时叶片失绿变黄，枯焦脱落，果穗被害后，果梗、穗轴呈黑色，组织变脆，极易折断。果粒受害果，面呈铁锈色，表面粗糙，有时龟裂，并影响着... How to prevent grape spider Red grape spiders, also known as Grape short-mite, to mites and nymphs to damage young shoots, leaves, fruit stems. Ears, leaf damage on both sides of the vein appears brown rust, serious green leaves turn yellow, brown coke off, after the ear was killed, stems, cob black, brittle tissue, easily broken. Fruit damage fruit, surface rust color, rough surface, sometimes cracking, and affect the ...