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Position: Home > Articles > Effect of Direct Seeding Rice Density on Stem Characters of Different Medium Japonica Rice Horticulture & Seed 2012 (3) 41-46

直播稻密度对不同类型中粳品种茎秆性状的影响

作者：

张鸿新;戴凌云;王受荣;陈志清;吴建中;茆文军;吴忠粱

单位：

江苏省盐城市盐都区农业干部学校;江苏省盐城市盐都区秦南镇北蒋社区农业技术推广服务中心;江苏省盐城市盐都区农业委员会

关键词：

基本苗密度;镇稻99;连粳7号;淮稻5号;茎秆性状

摘要：

[目的]探寻直播稻密度与不同类型中粳品种茎秆性状的关系。[方法]以镇稻99、连粳7号和淮稻5号为试验品种,分析基本苗密度对3个品种茎秆性状的影响。[结果]连粳7号生长量最大,株高最高,抗倒伏能力最强,干物质积累及经济系数最高;且3个品种的直播稻基本苗90万/hm2时,植株茎秆抗倒伏能力最强,产量及经济系数最高。[结论]直播稻连粳7号为最优品种,且3个品种基本苗密度定在90万/hm2最为适宜。

译名：

Effect of Direct Seeding Rice Density on Stem Characters of Different Medium Japonica Rice

作者：

ZHANG Hong-xin et al(Yandu District Agricultural Committee of Yancheng in Jiangsu Province, Yancheng, Jiangsu 224002)

关键词：

Basic seedlings density; Zhengdao 99; Lianjin 7; Huaidao 5; Stem character

摘要：

[Objective] The aim was to explore the relationship of direct seeding rice density and different medium japonica rice stem characters. [Method] With Zhengdao 99, Lianjin 7 and Huaidao 5 as the subjects, the effects of basic seedlings density on stem characters of 3 medium japonica rice varieties were analyzed. [Result] The growth of Lianjing 7 was the best, its plant height was highest, its lodging resistance was the best, its dry matter accumulation was most, and its economic coefficient was the highest. In addition, these indexes of 3 medium japonica rice varieties were the best when the the basic seedlings density was 9×105 per hectare. [Conclusion] The Lianjing 7 was the best variety, and it were suitable when the basic seedlings density of 3 medium japonica rice varieties were about 9×105 per hectare.

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直播稻密度对不同类型中粳品种茎秆性状的影响

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