同步叶片修剪对温室番茄干物质优化分配的影响

园艺学报 ›› 2005, Vol. 32 ›› Issue (3): 510-512.

同步叶片修剪对温室番茄干物质优化分配的影响

肖深根^{1, 2};Ep Heuvelink²

(¹湖南农业大学园艺园林学院, 长沙410128; ²瓦赫宁根大学植物科学系, 瓦赫宁根6709 PG, 荷兰)

收稿日期:2004-07-23 修回日期:2004-11-25 出版日期:2005-06-25 发布日期:2005-06-25

Effect of Synchronous Leaf Pruning on Optimal Distribution of Dry Matter in Greenhouse Tomato

Xiao Shengen^{1, 2};Ep Heuvelink²

(¹College of Horticulture and Landscape Architecture, Hunan Agricultural University, Changsha 410128, China; ²Department of Plant Science, Wageningen University, Wageningen 6709 PG, The Netherlands)

Received:2004-07-23 Revised:2004-11-25 Online:2005-06-25 Published:2005-06-25

摘要/Abstract

摘要： 研究了同步叶片修剪对温室番茄品种‘Capita’干物质优化分配的影响。结果表明, 在每穗果实数修剪为6个时, 一方面会减少营养生长库强, 显著降低了叶面积指数(LA I) 和植株总干质量; 另一方面有利于干物质分配到果实, 显著提高果实累积干物质分配率, 补偿因植株总干质量降低而引起的果实干质量的降低。在合理增加植株密度时, 同步叶片修剪可以显著提高LA I与单位面积植株总干质量, 从而显著提高单位面积果实干质量。

关键词: 番茄, 修剪, 干物质分配

Abstract: Effect of synchronous leaf pruning on optimal distribution of dry matter in greenhouse tomato cultivar‘Capita’was investigated. The results indicated thatwith six fruits per truss, on one hand, the vegetative sink strength was decreased by synchronous leaf pruning, which resulted in a significant reduction in leaf area index (LAI) and total plant dry mass; on the other hand, the distribution of drymatter allocated to the fruitswas favored, which resulted in a significant increment in the cumulative fraction of drymatter allocated to the fruits and compensated for the reduction in fruit drymass resulted from that in total plant dry mass. With reasonably increased plant density, LAI and total plant dry mass per square meter were significantly increased, therefore fruit dry mass per square meterwas significantly imp roved by synchronous leaf pruning.

Key words: Tomato, Pruning, Distribution of dry matter

中图分类号:

S 641.2

肖深根;;Ep Heuvelink. 同步叶片修剪对温室番茄干物质优化分配的影响[J]. 园艺学报, 2005, 32(3): 510-512.

Xiao Shengen;;Ep Heuvelink. Effect of Synchronous Leaf Pruning on Optimal Distribution of Dry Matter in Greenhouse Tomato[J]. ACTA HORTICULTURAE SINICA, 2005, 32(3): 510-512.

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