[1]杜 明,李彦生,张秋英,等.钾肥对菜用大豆生殖生长期叶片叶绿素含量的影响[J].大豆科学,2012,31(06):941-946.[doi:10.3969/j.issn.1000-9841.2012.06.018]
　DU Ming,LI Yan-sheng,ZHANG Qiu-ying,et al.Effects of Potassium Fertilizer on Chlorophyll Content of Vegetable Soybean in Reproductive Stages[J].Soybean Science,2012,31(06):941-946.[doi:10.3969/j.issn.1000-9841.2012.06.018]
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钾肥对菜用大豆生殖生长期叶片叶绿素含量的影响

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第31卷 期数: 2012年06期 页码: 941-946 栏目: 出版日期: 2012-12-30
Title:
Effects of Potassium Fertilizer on Chlorophyll Content of Vegetable Soybean in Reproductive Stages
文章编号:
1000-9841（2012）06-0941-06
作者:
杜 明1; 2; 李彦生1; 3; 张秋英1; 谷思玉2; 刘晓冰1
1.中国科学院 东北地理与农业生态研究所 黑土区农业生态重点实验室，黑龙江 哈尔滨 150081；
2.东北农业大学 资源与环境学院，黑龙江 哈尔滨 150030；
3.中国科学院 研究生院，北京 100049
Author(s):
DU Ming1; 2; LI Yan-sheng1; 3; ZHANG Qiu-ying1; GU Si-yu2; LIU Xiao-bing1
1.Key Laboratory of Mollisols Agroecology,Northeast Institute of Geography and Agroecology,Chinese Academy of Sciences,Harbin 150081,Heilongjiang;
2.College of Resources and Environment,Northeast Agricultural University,Harbin 150030,Heilongjiang;
3.Graduate University of the Chinese Academy of Sciences,Beijing 100049,China
关键词:
菜用大豆; 结荚期; 叶绿素a; 叶绿素b; 钾肥
Keywords:
Vegetable soybean; Pod-setting; Chlorophyll a; Chlorophyll b; Potassium application
分类号:
S643.7
DOI:
10.3969/j.issn.1000-9841.2012.06.018
文献标志码:
A
摘要:
以2个菜用大豆为材料，在正常氮磷肥基础上，设置4个水平钾肥施用量作为种肥，并分别在大豆开花期和结荚期喷施30 kg·hm-2 K2SO4，研究了钾肥对菜用大豆叶片叶绿素含量的影响。结果表明：钾肥作种肥能显著增加生殖生长期菜用大豆叶片叶绿素含量，2个品种叶绿素总含量均在钾肥施用量120 kg·hm-2时最高。与不施钾肥处理相比，在盛花期、结荚期和鼓粒期，中科毛豆1号叶绿素总含量分别增加9.1%、22.7%和13.0%，品系121分别增加33.3%、17.4%和13.0%。钾肥施用量120 kg·hm-2时，结荚期叶绿素a含量明显增加，并显著提高了叶绿素a/b比值。叶面喷施K2SO4能显著提高菜用大豆叶绿素总量。相同种肥水平下，叶喷钾肥总体上明显增加开花期和结荚期的叶绿素含量，叶绿素a含量，但对鼓粒期叶绿素含量无显著影响。
Abstract:
The effects of four potassium fertilizer amounts(0,60,120,180 kg·ha-1)with additional foliar application of 30 kg·ha-1 potassium at flowering-podding on chlorophyll content in vegetable soybean were investigated under normal N and P fertilizers application.Though responsed differ in cultivars,potassium application at seeding significantly increased the chlorophyll content during reproductive growth period.Maximum chlorophyll contents were all obtained at 120 kg·ha-1 K2SO4 in cv. Zhongkemaodou No.1 and line No.121.Compared with control,the chlorophyll contents of cv.Zhongkemaodou No.1 at flowering,pod-setting and seed filling of 120 kg·ha-1 K2SO4 were increased by 9.1%,22.7% and 13.0%;while line No.121 were increased by 33.3%,17.4% and 13.0%,respectively.The increase in chlorophyll content of 120 kg·ha-1 K2SO4 at seeding was mostly due to the increase in content of chlorophyll a,and thus an increase in chlorophyll a/b ratio.The increases in chlorophyll content by additional foliar application of potassium varied in cultivars and growth stages.The increased yield by potassium application was closely related to chlorophyll content,especially the content of chlorophyll a.

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备注/Memo

基金项目：国家自然科学基金（31140066）；科技部成果转化基金（2010GB24910701）；哈尔滨市创新人才基金（2012RFXXN016）。

第一作者简介：杜明(1984-)，男，在读硕士，研究方向为作物营养与产量形成。E-mail:lestat7777@126.com。
通讯作者：张秋英(1962-),女，研究员，主要从事作物高产生理、菜用大豆生理育种研究。E-mail:zhangqy@neigaehrb.ac.cn。

更新日期/Last Update: 2014-08-20