【摘要】 以"长富2"苹果品种为试材,采用4种树形改造更新方法,研究了不同树体结构对乔砧密植低产苹果园的影响,以期实现乔砧密植低产苹果园优质高效更新。结果表明:在乔砧密植苹果园的改造中,复合倒伞形树体结构合理,增效最为明显。更多还原

【Abstract】 ‘Changfu 2’apple was used as material,four kinds of tree rebuilding methods were adopted to study the effects of different tree structures on compact planting low-yielding apple orchards in order to reach the purpose of high quality and high efficiency regeneration of low-yielding apple orchards with vigorating compact planting.The results showed that the composite inverted umbrella tree was reasonable in structure and the most effective in the improvement of apple orchard.更多还原