1. any of various diseases of plants producing brown discolorations on the leaves specifically a destructive disease of Indian corn caused by a fungus (Physoderma zeae-maydis) affecting the leaves and stalks — called also Physoderma disease
brown spot 片语
片语
Coltsfoot brown leaf spot款冬褐斑病
mulberry brown leaf spot桑褐斑病
ash brown leaf spot白蜡树褐斑病
brown bark spot树皮褐斑病
Brown leaf spot褐斑病
Watercress brown leaf spot豆瓣菜褐斑病
brown zonate spot[植保]
tea brown leaf spot茶褐色叶斑病
narrow brown leaf spot稻条叶枯病
brown spot 例句
英汉例句
Place the cue ball on the brown spot and attempt to hit it along the baulk line.
把主球放在棕球置点上,试着使其在被击打后沿着发球线滚动。
Strain B75 was strongly antagonistic to tobacco brown spot disease in pot test and field test.
菌株B75在温室盆栽测定和大田防效试验中,对烟草赤星病都有显着防效。
A brown spot in the chromatogram obtained with the test solution corresponds in position and color to the spot in the chromatogram obtained with the reference solution.