JIANG Tian-rui,SONG Wei,LIU Hua-zhao.Study on Density of Semi erect and Density tolerance Rice[J].HEILONGJIANG AGRICULTURAL SCIENCES,2015,(01):14-15.[doi:10.11942/j.issn1002-2767.2015.01.0014]
半直立耐密型水稻密度试验研究
- Title:
- Study on Density of Semi erect and Density tolerance Rice
- 文章编号:
- 1002-2767（2015）01-0014-02
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
- 半直立耐密型水稻育种是近年来提出的新型寒地水稻株型育种理论，根据良种良法相结合的现代农业要求，研究半直立耐密型水稻栽培模式十分必要，试验以半直立耐密型水稻品种垦稻26为材料，研究不同栽培密度对其产量及产量构成因素的影响。结果表明：在实际生产中，垦稻26最适栽培密度为24 cm×10 cm，其理论产量为8 679.0 kg·hm-2，此密度条件下，水稻群体各主要农艺性状最优，产量构成因素间相互协调配合。
- Abstract:
- Breeding of semi erect and density tolerance rice is a new breeding theory for cold region in recent years,according to the good seed combinated with modern agricultural requirements,it is necessity to study cultivation pattern of semi erect and densitytolerance rice，taking semi erect and density tolerance rice variety Kendao 26 as test material， the effect of different planting densities on yield and yield component factors was studied.The results showed that the optimum planting density of Kendao 26 was 24 cm×10 cm in rice production,its theoretical yield was 8 679.0 kg·hm-2,Kendao 26 had excellent main agronomic characters,mutual coordination of yield components.
参考文献/References:
[1]黄大山.播期、播量和移栽密度对宁粳1号机插稻产量形成及氮素吸收的影响[D].扬州：扬州大学，2008. [2]郝宪彬，韩勇，李全英，等.不同插栽密度与插栽苗数对辽优0201制种产量性状的影响[J].杂交水稻，2004,19（5）：14-19. [3]崔一龙，金明淑，朴哲，等.密度对不同水稻生育及产量构成因素的影响[J].延边农学院学报，1996（1）：37-42.
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备注/Memo
收稿日期：2014-09-25 基金项目：质检公益性行业科研专项资助项目（201310071） 第一作者简介：姜天瑞（1976-），男，黑龙江省哈尔滨市人，学士，工程师，从事科技管理工作。