【摘要】 在2002年5～7月,用塑料反光膜作外袋、白色葡萄套袋为内袋制成双层反光葡萄套袋,进行红地球葡萄防日灼病的试验研究。结果表明:反光葡萄套袋内温度低于气温0～2℃,当气温为38℃时,该套袋内红地球幼果均未发现日灼现象,防日灼效果显著。更多还原

【Abstract】 During May to July in2002,by adopting double layers light reflecting grape cover bag in which plastic light reflecting flim is tak-en as the outer layer,and white grape cover bag is taken as the inner layer.The prevention of sun burn on red globe grape has been investigated.It can be concluded that the temperature in the cover bag is0～2℃lower than atmosphere when atmosphere temperature is38℃.In the cover bag,there is no sun burn phenomena found for young fruit.So the effect of prevention of sun burn on red globe grape is very remarkable.更多还原