WU Yao-kun,ZHANG Yu-xian,JIN Xi-jun,et al.Effect of Mixed Sowing on Disease Resistance to Soybean Cyst Nematode and Yield in Daqing Area[J].HEILONGJIANG AGRICULTURAL SCIENCES,2015,(07):25-27.[doi:10.11942j.issn1002-2767.2015.07.0025]
混播对大庆地区大豆抗线虫病能力和产量的影响
- Title:
-
Effect of Mixed Sowing on Disease Resistance to Soybean Cyst Nematode and Yield in Daqing Area
- 文章编号:
- 1002-2767（2015）07-0025-03
- Keywords:
- mixed sowing; disease resistance; LAI; yield
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 大豆生产直接受到品种和栽培技术的影响，为了提高大豆产量，进而探讨大豆有效栽培技术，根据大庆地区特殊的气候和土壤条件，以当地主栽大豆品种抗线虫8号和抗线虫11 为试验材料，设置不同混播比例处理，研究混播对大豆的抗线虫能力、冠层结构及产量的影响。结果表明：不同比例混播处理中和了两个供试品种的抗线虫能力，但在不同处理与对照间未表现出显著差异；不同比例混播处理中和了两个供试品种的冠层特性，表现为清种抗线虫8号叶面积指数最大，清种抗线虫11叶面积指数最小，其它处理介于二者之间，并且抗线虫8号和抗线虫11以1:4比例混播处理极显著小于其它混播处理；不同比例混播处理对大豆产量的影响不同，其中两品种3:2比例混播处理产量最高，且极显著高于两个对照。综合分析认为，适量的混合比例不仅有利于合理冠层结构的形成，还能提高通风透光能力，有利于光合作用的进行，进而提高大豆产量。
- Abstract:
-
Soybean production is directly affected by the varieties and cultivation techniques.In order to improve the yield of soybean,further explore the effective cultivation techniques of soybean.According to the special climate and soil conditions in Daqing area,taking? local? major soybean varieties Kangxianchong 8 and Kangxianchong 11 as test material,the changes of leaf area index,yield and disease resistance for soybean cyst nematode by mixed seeding were studied.The results showed that:there was no significant difference between the resistance for soybean cyst nematode of each treatment; Unicast Kangxianchong 8 had the largest leaf area index,unicast Kangxianchong 11 dad the least leaf area index,which was related to the breed itself characteristics;The mixed sowing had obvious effect on the yield of soybean,especially the mixed sowing (32) had the highest yield,which was significantly different from other treatments;?? The comprehensive analysis showed that proper blending ratio was not only beneficial to the formation of reasonable canopy structure,also could improve the ability of ventilation and pervious light,was advantageous to the photosynthesis,and then improve yield of soybean.
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备注/Memo
收稿日期：2015-03-05
基金项目：国家大豆产业技术体系资助项目（CARS-004-CES07）
第一作者简介：吴耀坤（1983-），男，河南省淮阳县人，学士，农艺师，从事抗线虫大豆育种研究。E-mail：wuyaokun530@126.com。
通讯作者：张玉先(1968-)，男，教授，博士生导师，从事作物栽培学与耕作学研究。E-mail:zyx_lxy@126.com。