M26矮化中间砧和乔化苹果园第4年至盛果期管理技术
摘要
1 修剪1.1发芽前1.1.1疏疏除主干延长枝下的2~3个竞争枝;疏除基轴粗度超过主干1/3的主枝:疏除主干和主枝上过密过粗的枝,一般20cm左右留1个;非过密枝一般不疏。1.1.2甩中心干延长枝甩放,对留下的所有枝条一般全甩放。1.13拉(坠)对所有主枝和主干上的枝条一律拉平:对主枝上剪留的粗度低于主枝1/3的分枝除了留下4~6个背上枝不拉外,全部拉向下垂,用绳子或石块坠,并调整枝条密度,把枝条引向有空间的地方,整形、结果并举。
出处
《河北果树》
2014年第2期36-36,共1页
Hebei Fruits
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