Effects of Fruit-bud Pruning on Mineral Content of Autumn Leaves During Flower-bud Differentiation, Growth of Fruit-bearing Branches, and Quality and Yield of Fruits of Longan

XU Qi-zhi; JIANG Ji-mou; YANG Ling; DENG Chao-jun; XU Xiu-dan; ZHENG Shao-quan

doi:10.19303/j.issn.1008-0384.2017.06.006

Volume 32 Issue 6

Aug. 2017

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Article Navigation > Fujian Journal of Agricultural Sciences > 2017 > 32(6): 602-606

XU Qi-zhi, JIANG Ji-mou, YANG Ling, DENG Chao-jun, XU Xiu-dan, ZHENG Shao-quan. Effects of Fruit-bud Pruning on Mineral Content of Autumn Leaves During Flower-bud Differentiation, Growth of Fruit-bearing Branches, and Quality and Yield of Fruits of Longan[J]. Fujian Journal of Agricultural Sciences, 2017, 32(6): 602-606. doi: 10.19303/j.issn.1008-0384.2017.06.006

Citation:

XU Qi-zhi, JIANG Ji-mou, YANG Ling, DENG Chao-jun, XU Xiu-dan, ZHENG Shao-quan. Effects of Fruit-bud Pruning on Mineral Content of Autumn Leaves During Flower-bud Differentiation, Growth of Fruit-bearing Branches, and Quality and Yield of Fruits of Longan[J]. Fujian Journal of Agricultural Sciences, 2017, 32(6): 602-606. doi: 10.19303/j.issn.1008-0384.2017.06.006

Citation:

XU Qi-zhi, JIANG Ji-mou, YANG Ling, DENG Chao-jun, XU Xiu-dan, ZHENG Shao-quan. Effects of Fruit-bud Pruning on Mineral Content of Autumn Leaves During Flower-bud Differentiation, Growth of Fruit-bearing Branches, and Quality and Yield of Fruits of Longan[J]. Fujian Journal of Agricultural Sciences, 2017, 32(6): 602-606. doi: 10.19303/j.issn.1008-0384.2017.06.006

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Effects of Fruit-bud Pruning on Mineral Content of Autumn Leaves During Flower-bud Differentiation, Growth of Fruit-bearing Branches, and Quality and Yield of Fruits of Longan

doi: 10.19303/j.issn.1008-0384.2017.06.006

XU Qi-zhi^{1, 2
,},
JIANG Ji-mou^{1, 2
,
,},
YANG Ling¹,
DENG Chao-jun^{1, 2},
XU Xiu-dan^{1, 2},
ZHENG Shao-quan^{1, 2
,
,}

1.
Fruit Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350013, China
2.
Fujian Breeding Engineering Technology Research Center for Longan and Loquat, Fuzhou, Fujian 350013, China

Received Date: 2017-02-22
Rev Recd Date: 2017-04-23
Publish Date: 2017-06-28

Abstract

Abstract

Effects of fruit-bud pruning on the mineral content of the autumn leaves during flower-bud differentiation stage, the growth of fruit-bearing branches, and the quality and yield of fruits of longan variety Lidongben were studied. The results showed that the N, P and K contents in the autumn leaves were higher when 1/3 of the fruit-buds was retained on a tree branch or no pruning (CK) was applied than if 1/2 of the buds was removed. The contents of Ca and Mg were in a decreasing order upon 1/2 pruning > 2/3 pruning > CK. There were no significant differences observed in 4 years on the length, diameter, and leaf count on the fruit-bearing branches on the trees that had 2/3 of the fruit-buds removed. Furthermore, these fruit-bearing branches tended to produce large individual fruits (above 13.0 g), big panicles (more than 800.0 g), excellent quality, and relatively consistent fruit-bearing performance (with 14.67% differentiation between the high and low production years). Furthermore, the average annual fruit yield increased 24.20% with an improved profitability of 44.68%, as compared to 1/2 pruning. Consequently, it was concluded that retention of 1/3 of the fruit-buds on a single fruit-bearing branch was recommended for longan pruning.
- longan,
- fruit-bud pruning,
- mineral contents,
- high-quality fruit,
- fruit-bearing fluctuation

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References(22)

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