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Acta Agron Sin ›› 2006, Vol. 32 ›› Issue (10): 1589-1591.

• RESEARCH NOTES • Previous Articles     Next Articles

Ear Growth and Grain Filling Characteristics of Different Cultivars in Waxy Maize

LIU Ping1,WANG Cong-Liang1,WANG Feng-Ge2,LU Wei-Ping1 *,GUO Jing-Lun2,WANG Ji-Feng1,LIU Xiao-Bing1   

  1. 1Jiangsu Provincial Key Lab of Crop Genetics and Physiology, Yangzhou University, Yangzhou 225009, Jiangsu; 2 Maize Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100089, China
  • Received:2006-01-09 Revised:1900-01-01 Online:2006-10-12 Published:2006-10-12
  • Contact: LU Wei-Ping

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Abstract:

Fifteen waxy maize cultivars were used in this experiment.There were significantly differences in fresh ear yield and grain yield among cultivars and a positive correlation between fresh ear yield and grain yield.After silking,the dynamic changes of ear growth and grain filling were similar among cultivars.The dry weight increment of ear and grains presented an "S-shaped" curve,which could be simulated by Richards equation.The parameters of G_(max),V_2, T_2 had important effect to increase the ear weight an...

Key words: Waxy maize, Yield, Ear growth, Grain filling

CLC Number: 

  • S513
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