激素处理对野生观果树种坐果率和挂果期的影响
Journal of Jilin Forestry Science and Technology(2013)
Abstract
在花楸树盛花期喷50×10-6赤霉素,可提高坐果率28.72%;喷PBO生长调节剂300倍液,可提高坐果率17.35%。在天目琼花盛花期喷50×10-6赤霉素,可提高坐果率22.71%;喷PBO生长调节剂300倍液,可提高坐果率14.93%。以山杏、山梨为研究对象,在果实成熟前25 d全株喷洒激素,在10×10-6~50×10-6范围内,随NAA和GA的增高,两个树种落果率明显下降,但均以30×10-6~50×10-6最为显著,落果率仅在10%以下,比对照下降了88.4%。
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Key words
Hormone,fruit setting rate,fruit bearing time,fruit viewing trees
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