节点文献

光强因子对甜糯玉米生长发育和产量的影响

Effect of Light Intensity Factor on Growth and Yield of Sweet and Waxy Maize

  • 推荐 CAJ下载
  • PDF下载
  • 不支持迅雷等下载工具,请取消加速工具后下载。

【作者】 冯颖竹陈惠阳贺立红赵琛余土元

【Author】 FENG Ying-zhu et al(Zhongkai University of Agriculture and Technology,Guangzhou,Guangdong 510225)

【机构】 仲恺农业技术学院仲恺农业技术学院 广东广州510225广东广州510225

【摘要】 以鲜食型糯玉米香白糯和超甜玉米粤甜3号为材料,采用人工遮光的方法,研究了光强因子对这2种不同基因型鲜食玉米生长发育和产量的影响。结果表明:40%全光照与100%全光照相比,香白糯和粤甜3号的抽雄、吐丝期分别推迟了7 d和8 d,收获期均推迟了11 d;遮光还使香白糯植株高度显著减少;香白糯果穗的穗长、行粒数、裸穗鲜重、百粒鲜重和百粒干重分别减少了48.9%、59.2%、46.6%、13.8%和22.8%,鲜穗产量减少了72.4%;粤甜3号果穗的穗长、行粒数、裸穗鲜重、百粒鲜重和百粒干重分别减少了43.3%、59.6%、48.3%、9.6%和17.9%,鲜穗产量减少了54.3%。

【Abstract】 Effect of light intensity factors on growth and yield of two genotypes of maize(Xiangbainuo and Yuetian 3) were studied,which were planted by artificial shading.These two genotypes of maize were raised under three light regimes(100 % sunlight,80 % sunlight,and 40 % sunlight) during their whole life time.Leaf photosynthetic pigment contents were detected.A series of agronomic traits and yield components were also studied.The result showed that shading delayed the growth of both Xiangbainuo and Yuetian 3.The tassel date of Xiangbainuo and Yuetian 3 was postponed by 7d and 8d,respectively.And harvest date was both postponed by 11d.Plant height of Xiangbainuo was significantly lower by shading,and plant height of Yuetian 3 had no significant difference under different light regimes.Ear length,kernels per row,weight per ear,fresh weight and dry weight per hundred kernel,yield of Xiangbainuo under 40 % sunlight decreased by 48.9 %,59.2 %,46.6 %,13.8 %,22.8 %,72.4 %,those of Yuetian 3 increased by 43.3 %,59.6 %,48.3 %,9.6 %,17.9 %,54.3 %,compared with 100 % sunlight.

【基金】 广东省良种培育和引进项目(2003年292号);广东省农业推广议案项目(2005年315号)资助
  • 【文献出处】 安徽农业科学 ,Journal of Anhui Agricultural Sciences , 编辑部邮箱 ,2007年17期
  • 【分类号】S513
  • 【被引频次】15
  • 【下载频次】203
节点文献中: 

本文链接的文献网络图示:

本文的引文网络