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EF是中国林科院林产化工研究所与广东省雷州林业局首次从桉树中提取的一种新型植物生长促进剂,提取工艺和产品规格1983年正式通过鉴定。EF对植物的萌芽、生根、生长、干物质积累、保花保果、抗病抗逆性等均有明显效果。为了探讨EF在玫瑰香葡萄上的应用效果,我们于1985年进行了本试验。试验结果证明EF对玫瑰香葡萄提高座果率有显著效果。
EF is a new plant growth promoter extracted from Eucalyptus for the first time by the Institute of Forest Products and Chemical Industry of China Academy of Forestry and the Leizhou Forestry Bureau of Guangdong Province. The extraction process and product specifications were formally approved in 1983. EF on the germination of plants, rooting, growth, dry matter accumulation, Paul flower and fruit protection, disease resistance and so on have a significant effect. In order to explore the effect of EF on Muscat grape, we conducted this experiment in 1985. The test results show that EF has a significant effect on improving the fruit set rate of Muscat grape.