广州地区澳洲坚果抽梢与坐果的关系Investigation on Fruit Set of Macadamia in Relation to Flushing in Guangzhou
陈厚彬,黄昌贤,欧阳锦
摘要(Abstract)：
广州地区澳洲坚果一年主要抽生三次梢,以多年生枝和春梢为主要结果母枝,分别占43.1%和39.1%.结果能力以更梢母枝最强,平均每枝坐果3.0个,其次为多年生枝(2.0个).平均花坐果率0.22%.坐果数与结果母枝长度、粗度、粗/长比和叶片数无显著相关,与花序数和初始坐果数密切相关(R~2=0.7653).树冠郁闭条件极显著地减少初始坐果数.花后5周内落掉总花量的99%以上.幼果的另一个脱落高峰在花后第5至8周,主要是旺盛营养生长与迅速生长的果实的营养竞争所致.
关键词(KeyWords)： 澳洲坚果;抽梢;坐果;落果
基金项目(Foundation):
作者(Author): 陈厚彬,黄昌贤,欧阳锦
DOI: 10.13925/j.cnki.gsxb.1995.02.008
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