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sang shu bu tong dong fa fang shi dui ci nian shang ban nian chan ye liang he chan jian liang de ying xiang
Author(s): WEN Liuzuo, LI Pingchun, HUANG Zhenwen
Pages: 1-
4
Year: 2011
Issue:
4
Journal: Guangxi Sericulture
Keyword: 桑树; 低刈; 桑叶产量; 蚕茧产量;
Abstract: 通过对桑树杂交组合"桂桑优12""、桂桑优62"进行低刈(即冬留长枝,剪留下半年新枝30~50cm)和根刈(即剪留地面10~15cm)两种冬伐处理形式,调查不同冬伐形式对桑树第2年上半年桑叶产量和养蚕蚕茧产量的影响。结果表明:不同冬伐处理对桑树的桑叶产量和养蚕量有较大的影响。"桂桑优62"低刈平均每1/15ha养蚕数量、每张蚕种产茧量、1/15ha桑产茧量、1/15ha桑产叶量,分别比根刈平均增产13.79%、6.08%、22.20%和22.18%;"桂桑优12"低刈平均每1/15ha养蚕数量、每张蚕种产茧量、1/15ha桑产茧量、1/15ha桑产叶量,分别比根刈平均增产14.29%、5.34%、20.18%和20.13%;低刈比根刈,对于"桂桑优12"和"桂桑优62"桑树品种,桑树发芽均提早4~5d,采叶养蚕均提早9d。
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