ZHAO Hai-hong.Effect of Different Densities of Transplants on Growth and Yield of Rice Variety Kongyu 131 [J].HEILONGJIANG AGRICULTURAL SCIENCES,2015,(07):22-24.[doi:10.11942j.issn1002-2767.2015.07.0022]
不同插秧密度对水稻品种空育131生长和产量的影响
- Title:
-
Effect of Different Densities of Transplants on Growth and Yield of Rice Variety Kongyu 131
- 文章编号:
- 1002-2767（2015）07-0022-03
- Keywords:
- rice; densities of transplants; yield
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
-
为了充分挖掘寒地水稻生产潜力，以空育131为材料，采用二因素随机区组设计，在行距30 cm的条件下研究了不同插秧密度对水稻生长和量的影响。结果表明：穴距为10 cm、每穴插4株处理的产量最高，为10 413.53 kg?hm-2，显著高于穴距为16 cm、每穴插3株的处理。虽然穴距为10 cm处理的着粒数、结实率和千粒重均最小，但是配合每穴穗数和每穗粒数均较高、产量最高的每穴4株处理，密度增加，因此产量也最高，是实现水稻高产的理想密度。
- Abstract:
-
In order to fully exploit production potential of cold rice,taking rice variety Kongyu 131 as experimental material,the effect of different densities of transplants on rice yield and growth on row spacing 30 cm was studied by two factors randomized blocks design.The result showed that the treatment of hole spacing 10 cm and 4 plants per hole had the highest yield,was 10 413.53 kg?hm-2,it was significantly higher than the treatment of hole spacing 16 cm and 3 plants per hole.Although grains per panicle,setting percentage and 1 000grain weight were all the lowest in the treatment of hole spacing 10 cm,but panicles per plant and grain number per panicle were both higher with 4 plants per hole,the density increased,the yield was the highest.Under this experiment condition,the treatment of hole spacing 10 cm and 4 plants per hole was the best densities of transplants,it was an ideal density to achieve high yield of rice.
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备注/Memo
收稿日期：2015-03-02
基金项目：现代农业产业技术体系建设专项资金资助项目(CARS-04-CES05
作者简介：赵海红（1981-），女，黑龙江省五常市人，硕士，助理研究员，从事农作物高产研究及植物病理研究。E-mail：haihong51@163.com。