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《Modern Agricultural Science and Technology》 2011-24
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Effects of Summer Pruning Techniques and Chemical Controlling on Shoot Growth and Flower Bud Formation of Pear Tree

LIU Ji-xiang LIU Zhao-ting(Zhenjiang Institute of Agricultural Science in Hilly Area of Jiangsu Province,Jurong Jiangsu 212400)  
Shoot growth and flower bud formation rates of Huangguan(Pyrus prifolia Nakai)pear and Hosui pear of young trees were investigated after summer pruning(pinching,shoot bending and shoot twisting)and chemical controlling(spraying different concentrations of PP333 and CCC).The results showed that all pruning treatments inhibited pear shoot growth and promoted flower bud formation rates with different degrees.The effects of growth inhibitors on shoot growth were strengthened with increasing of medicament concentrations.The effect of shoot bending on flower bud formation rate was the most obvious,its flower bud formation rate was from 70 percent to 80 percent.
【CateGory Index】: S661.2
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