【摘要】 以5个美国李新品种为试材,连续多年对其生物学特性进行观察研究。结果表明:红美丽、黑琥珀、威克森、卡特利娜、大红玫瑰在泰安地区生物学特性表现优良,生长结果习性以短果枝和花束状果枝结果为主;早实丰产性强,栽后第2年开始结果,第4年进入丰产期;果实个大、品质好,耐贮藏,综合经济性状优良,具有较高的生产栽培价值。更多还原

【Abstract】 The biological characteristics of five new American plum varieties,Red beauty,Blackamber,Wichson,Catalina and Grand Rosa,had been studied continuously for many years in Taian district.The results showed that these varieties have good biological and economic characters,that is,fruiting mainly on short fruit shoot and cluster fruit spur,beginning bearing the next year and entering into high yield period in the fourth year after planting,big fruit,good quality and storage resistance.So they have high production and cultivation value.更多还原