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[目的]研究不同类型水稻品种产量构成因素与产量的关系,为水稻高产栽培提供理论依据。[方法]以在四川成都地区应用较多的超级稻品种和非超级稻品种为试验材料,研究不同类型品种连续 3 年(2006~2008 年)在高产栽培条件下的产量表现,分析其产量构成因素与产量的关系。[结果]水稻的产量与穗数、穗粒数、结实率、千粒重关系密切,对于不同的品种类型,4个因素对产量的影响存在差异。在10.5~11.25 t/hm2的产量目标下,通过中小苗三角形条栽模式研究结果显示超级稻的产量与穗数、千粒重关系密切,同时,与穗粒数呈负相关,与结实率呈显著负相关。非超级稻品种的产量与穗数、穗粒数、结实率、千粒重均呈负相关关系,且与穗数、千粒重呈显著负相关。[结论]该研究明确了不同类型水稻品种的产量构成因素与产量的关系,为合理制订高产栽培措施、充分发挥超级稻的产量潜力、实现水稻大面积稳产高产奠定了基础。
[Objective] The research aimed to study the relationship between yield components and yield of different types of rice varieties and provide theoretical basis for high yielding cultivation of rice. [Method] With more super rice varieties and non-super rice varieties in Chengdu, Sichuan as experimental materials, the yield performance of different types of cultivars under high yield cultivation conditions for three years (2006 ~ 2008) was studied, and its yield components Relationship between factors and yield. [Result] The yield of rice was closely related to the number of spikes, number of grains per spike, seed setting rate and 1000-grain weight. There were differences in the effects of 4 factors on yield for different types of rice. Under the production target of 10.5 ~ 11.25 t / hm2, the results of the triangular shoot pattern of medium and small seedlings showed that the yield of super rice was closely related to the panicle number and 1000-grain weight. At the same time, the grain yield was negatively correlated with grain number per spike, Related. The yield of non-super rice varieties was negatively correlated with the number of spikes, grains per spike, seed setting rate and 1000-grain weight, and negatively correlated with the number of spikes and 1000-grain weight. [Conclusion] The study clarified the relationship between yield components and yield of different types of rice varieties, which lays the foundation for the rational formulation of high-yielding cultivation measures, giving full play to the yield potential of super rice and realizing the large-area stable and high-yield rice.