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美国五月火油桃果皮光滑无毛、色泽艳丽、光彩夺目、极早成熟、效益好而深受果农欢迎。我们根据该品种在莱西当地栽培的表现,将其生育特性及栽培技术要点总结如下。 一、来源与生物学特性 五月火由美国农业部加利福尼亚州园艺场试验站于1980年用阿姆肯自然实生幼胚培养选育而成,1989年引入我国。该品种树姿开张,树势较强,中长果枝约占果枝数的51.48％,复花芽居多,花芽较小,极易成花,坐果率29.8％,在莱西当地,3月上中旬叶芽膨大,4月
United States May Peach peach skin smooth and shiny, bright color, dazzling, very early maturity, good efficiency and welcomed by farmers. Based on the local cultivars’ performance in Lacey, we summarize their fertility characteristics and cultivation techniques as follows. First, the source and biological characteristics May fire by the United States Department of Agriculture California Horticultural Field Experimental Station in 1980 with Amken natural immature embryo culture breeding, introduced to China in 1989. The species Shuzi opened with strong tree vigor, fruit branches accounted for about 51.48% of fruit branches, the majority of complex flower buds, flower buds smaller, easily into flowers, fruit set rate of 29.8%, in Lacey local, mid-March leaf bud Dilated, April