Effect of Regulation on Lemon Flowers and Fruits by Pinching off Shoots andPruning Branches in Spring Flowering Fruit

doi:10.11924/j.issn.1000-6850.casb15050091

Abstract

Abstract: In order to provide scientific basis for yield increase and regulating of blooming time of lemon, the authors studied the regulating of blooming time by pinching off shoots and pruning branches. A field experiment was carried out by pinching off shoots and pruning branches in the blossom. The number of flowers on branch with leaves and flowers on branch without leaves, the number of young fruits on branch with leaves and without leaves, the number of leaves on branch and individual yield were used for statistical analysis. The results indicated that the number of flowers on branch with leaves and flowers on branch without leaves had no significant difference, and different methods had significant impact on young fruits on branch with leaves and without leaves. The number of young fruits on branch with leaves and without leaves were significantly different compared with the control treatment when the physiological fruit drop completed, the maximum was pruning erasing-top, the second was erasing-top and the least was control treatment. Different methods had less effect on the number of leaves on branch and no significant difference. The individual yield was significantly different compared with the control treatment, and the individual yield order was pruning erasing-top, erasing-top, control treatment in the same year. The individual yield of erasing-top increased by 45.0% and 33.8% compared with that of CK in 2010, 2011, the individual yield of pruning erasing-top increased by 86.2% and 71.9%. In overall consideration, pruning erasing-top was the best treatment.

CLC Number:

S666.5

Li Jinxue,Liu Hongming,Yang Hongxia,Li Jing,Gao Junyan,Du Yuxia,Peng Manxiu and Yue Jianqiang. Effect of Regulation on Lemon Flowers and Fruits by Pinching off Shoots andPruning Branches in Spring Flowering Fruit[J]. Chinese Agricultural Science Bulletin, 2015, 31(34): 109-114.

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