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本文叙述了采前应用生长调节剂对疏果,增大果实、减少落叶与落果、延缓果实成熟及推迟果皮衰老的影响;延缓脐橙果皮衰老减少了采果前的生理失调诸如浮皮、皱皮、水斑的严重程度,采前采后的生理失调(称粘皮)及采后的失调(称油斑),采后腐烂的发生率也降低;推迟果皮衰老延长了贮运寿命。采后生长调节剂可使果实退绿,并保持对黑腐病和酸腐病的抗性。
This paper describes the effect of pre-harvest growth regulators on thinning, increasing fruit, reducing deciduous leaves and falling fruit, retarding fruit ripening and postponing the senescence of the peel. Delaying the peel aging of the navel orange reduces the physiological disturbance before harvesting such as puffiness, The severity of water spots, physiological disorders after pre-harvesting (called sticky skin) and post-harvest disorders (called oil spots) also reduced the incidence of postharvest decay; delayed peel aging extended the storage life. Postharvest growth regulators can degenerate the fruit and maintain resistance to black rot and acid rot.