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CPPU(编号:KT—30)分子结构为N-(2-氯-4-吡啶基)-N-苯脲。于花前应用,能诱导猕猴桃单性结实的果实发育。开花期处理的,能发育成大果,种子具有种皮,但没有种胚和胚乳。花后喷施CPPU,对果实生长刺激很大,其果实大于自然授粉的对照果,并提前成熟。
The molecular structure of CPPU (code: KT-30) is N- (2-chloro-4-pyridyl) -N-phenylurea. Application in the pre-anthesis, can induce kiwifruit parthenocarpic fruit development. Flowering treatment, can develop into large fruit, the seed has a seed coat, but no embryo and endosperm. CPPU was applied after anthesis, which stimulated the growth of fruits greatly. Its fruits were larger than that of natural pollination and matured prematurely.