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作物学报 ›› 1984, Vol. 10 ›› Issue (01): 41-50.

• 研究论文 • 上一篇    下一篇

玉米不同生育期耐冷性研究

肖永瑚   

  1. 吉林省农业科学院
  • 收稿日期:1983-02-06 修回日期:1984-01-02 出版日期:1984-03-12 网络出版日期:1984-03-12

STUDIES ON THE COLD TOLERANCE OF MAIZE AT DIFFERENT GROWTH STAGES

Xiao Yonghu   

  1. Jilin Provincial Academy of Agricultural Science
  • Received:1983-02-06 Revised:1984-01-02 Published:1984-03-12 Published online:1984-03-12

摘要: 在玉米不同生育时期,采用自然低温和人工控制低温研究玉米的地方品种、杂交种和自交系的种子发芽势、出苗指数、感温指数、幼苗干鲜重、籽粒灌浆速度、籽粒干物质累积和细胞膜透性等7个指标的耐冷特征。结果表明:在一定低温条件下,耐冷性与细胞耐脱水力成正相关,与叶片萎蔫度成负相关。叶片萎蔫度与细胞的电解质和钾离子外渗

Abstract: The cold tolerance of maize local varieties,hybrids and inbred lineswas evaluated at different growth stages under natural and controlled lowtemperature conditions.The results indicated that the differences in coldtolerance of various maize genotypes were represented by the followingindices.germinat

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