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梨果套袋,具有果面干净,防止病虫侵入和农药污染,经济效益高等效果,是提高梨果外观质量的一项有效措施。但近年来,梨果经套袋后,果面出现不同程度的黑点,黑点多分布于近果柄基部、肩部和胴部,表现为抑制果实生长,严重影响了外观品质。经调查,套袋好果率仅为76...
Pear fruit bagging, with a clean fruit surface to prevent pests and pesticides intrusion and pesticide contamination, high economic efficiency, is to improve the appearance of pear fruit quality is an effective measure. However, in recent years, pear fruit after bagging, there are different degrees of black spots on the fruit surface, black spots are distributed in the base, shoulder and body near the proximal stalk, the performance of the inhibition of fruit growth, seriously affecting the appearance of quality. After investigation, bagged fruit rate is only 76 ...