一、“疙瘩梨”的成因“疙瘩梨”是指梨果被害后,组织坏死、果面凸凹不平、组织木栓化,变为畸形果,完全或部分失去商品价值。其发生原因: (一)虫害。为害梨果,导致产生“疙瘩梨”的害虫有梨蝽象和茶翅蝽。它们吸食果实、叶片、嫩梢的汁液,使梨幼果的被害处出现针眼,进而发展为深绿色斑点,其组织便坏死,随果实膨大,受害处木栓化,且食味变涩变苦。 First, the “pimple pear” causes “Pigeon pear” refers to the pear after the victimization, tissue necrosis, uneven fruit surface, the organization of wood bolt, into a deformed fruit, completely or partially lost the value of the commodity. The reason: (a) pests. Pear damage, resulting in the production of “pimple pear” pear pests have Pear and tea wing bugs. They inhale fruit, leaves, young shoots of juice, so pear young fruit at the pinhole, and then developed into dark green spots, the tissue necrosis, with the fruit enlargement, damage at the cork, and the taste becomes bitter and bitter.