一、症状诊断枸杞瘿螨是由肉眼看不见的瘿螨科害螨危害所致。主要危害叶片 ,嫩叶较老叶重 ,叶片受害后 ,害螨钻入叶片组织形成虫瘿 ,初为近圆形黄绿色隆起小点 ,后渐变为直径２ -５毫米的虫瘿 ,后期叶面病部稍凹陷 ,叶背隆起明显 ,病部呈褐色。受害植株光合作用减弱 ,生长受阻 First, the symptoms of medlar scabies mites is invisible to the naked eye mites scabies caused by mites. The main hazard leaves, older leaves heavier leaves, leaf damage, the pest mites into the leaves of the formation of entomology, beginning with a nearly circular yellow-green bulge point, after the gradual change in diameter of 2-5 mm worm, later leaves Slight facial depression, prominent back up, sick brown. Injured plants photosynthesis weakened, growth retardation