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中国李种子休眠与萌发的研究
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摘要:
以中国李品种海里红种子为试材。研究了不同处理对其休眠和萌发的影响。结果表明;1.李种子去内果皮后,低温层积时间明显缩短;去种皮后,休眠可以被打破;2.石灰氮处理后,有利于李种子解除休眠。促进萌发,带内果皮种子以20%石灰氮处理效果好。3.400mg/kg GA3处理带种皮种子,促进萌发效果最佳,5-30mg/kg不同浓度ABA处理去种皮李种子,不同程度地抑制种子萌发,其效应与浓度成正比;4.ABA
关键词:  李 中国李 种子 休眠 萌发
DOI:
基金项目:
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Abstract:
The effects of endocarp,seed-coat,nitrolim and some plant growth regulators on seed dormancy and germination were studied with Hailihong,a chinese plum variety.The stratification time of the seeds without endocarp was shorter than that of the seeds with it.The dormancy of the seed could be broken by removing the seed-coat,or treating with 20% nitrolim solution for 12 hours or with GA 3 (400 mg/kg).ABA,mainly existing in the seed-coat of fresh-harvested seed,inhibited the seed germination.
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