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对昆明团结乡引种的４个苹果品种开花物候期、果实的生长发育、落花落果规律等进行了观测。结果表明，团结乡苹果树的开花物期较早；果实纵横径增大量与北方产区相似；品种不同，花期和相对落果率的差异较大。
Four apple cultivars introduced in Tuanjie Township of Kunming were observed for their phenophase, fruit growth, fruit drop and fruit drop. The results showed that the flowering period of apple trees in Tuanjie Township was earlier than that in the northern areas. The varieties with different vertical and horizontal diameters of fruit had greater differences in flowering and relative fruit drop rates.