[1]章建新,王红波,张佩玲,等.密度对覆膜菜用大豆干物质积累及产量的影响[J].大豆科学,2008,27(03):402-408.[doi:10.11861/j.issn.1000-9841.2008.03.0402]
　ZHANG Jian-xin,WANG Hong-bo,ZHANG Pei-ling,et al.Effect of Plant Density on Dry Matter Accumulation and Yield of Vegetable Soybean with Film Mulching[J].Soybean Science,2008,27(03):402-408.[doi:10.11861/j.issn.1000-9841.2008.03.0402]
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密度对覆膜菜用大豆干物质积累及产量的影响

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第27卷 期数: 2008年03期 页码: 402-408 栏目: 出版日期: 2008-06-25
Title:
Effect of Plant Density on Dry Matter Accumulation and Yield of Vegetable Soybean with Film Mulching
文章编号:
1000-9841(2008)03-0402-07
作者:
章建新; 王红波; 张佩玲; 吕德健
新疆农业大学农学院，新疆 乌鲁木齐 830052
Author(s):
ZHANG Jian-xin; WANG Hong-bo; ZHANG Pei-ling; LUDe-jian
Agronomy College of Xinjiang Agricultural University，Urumqi 830052，Xinjiang,China
关键词:
菜用大豆; 密度; 覆膜; 干物质积累与分配
Keywords:
Vegetable soybean; Plant density; Film mulching; Dry matter accumulation and distribution
分类号:
S565.1
DOI:
10.11861/j.issn.1000-9841.2008.03.0402
文献标志码:
A
摘要:
合理密植是菜用大豆高产的前提条件。为探明不同密度下覆膜菜用大豆叶面积指数、光合势、净同化率、比叶重、叶绿素含量和干物质积累分配及产量的变化规律。以新鲜豆1号为材料，在覆膜条件下，采用7.5、10.5、13.5、16.5、19.5万株.hm-2 5种密度的研究结果表明：随着密度的增加，株高和始荚高度显著增加，茎粗显著变细，分枝数显著减少，上部叶片明显变小，比叶重和叶绿素含量明显降低；随着密度的增加最大叶面积指数呈增加趋势，后期光合势呈现先增后降的趋势；以处理13.5 万株.hm-2，鼓粒期后叶面积指数适中、光合势大，干物质积累速率快，最终积累量大，向籽粒中分配率较高，最终鲜荚产量最高，为15 185.50 kg.hm-2。
Abstract:
Vegetable soybean is generally planted in the south of China，and it’s planting area is relatively small in the north.Reasonable close planting is the premise for high yield of vegetable soybean，and the cultivation technique of film mulching could advance the marketing time of vegetable soybean.The field trail was conducted using five planting density of 7.5，10.5，13.5，16.5 and 19.5×104plants.ha-1?in the presence of film mulching with Xinxiandou No.1 as research material.The dynamic of leaf area index(LAI)，photosynthetic potential(PP)，net assimilation rate(NAR)，specific leaf weight(SLW)，chlorophyll content(CC)，dry matter accumulation and distribution，and yield of vegetable soybean were measured.With the increasing of planting density，plant height and height of lowest pod increased significantly，stem width and branching number decreased greatly，upper leaves obviously became small，SLW and CC significantly decreased，biggest LAI increasd，and PP showed increase and then decrease trend.Under the planting density of 19.5×104plants.ha-1，the population had moderate LAI and larger PP after podding，more dry matter were accumulated and partitioned to seed，and the highest final fresh pod yield of 15 185.50 kg.ha-1 was obtained.

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备注/Memo

基金项目：新疆科技厅“十一五”攻关资助项目（200631104）。

作者简介：章建新（1962-），男，教授，博士生导师，主要从事作物栽培生理教学和研究工作。Tel:0991-8762261; E-mail：zjxin401@126.com。

更新日期/Last Update: 2014-10-08