]*>","")" /> A Study on Photosynthetic Production Characters of Biaoza Lint A1 with 3 000 kg/hm2 of Hybrid Cotton in the North of Xinjiang

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A Study on Photosynthetic Production Characters of Biaoza Lint A1 with 3 000 kg/hm2 of Hybrid Cotton in the North of Xinjiang

  • Received:2008-06-25 Revised:2008-06-25 Online:2008-06-25 Published:2008-06-25

北疆杂交棉标杂A1高产皮棉3 000 kg/hm2光合生产特征研究

罗宏海;张亚黎;朱??张旺锋;何在菊;张宏芝   

  1. 新疆兵团绿洲生态农业重点实验室/石河子大学农学院 新疆石河子 832003;农五师农科所,新疆博乐,833400

摘要: 在北疆棉区,研究了杂交棉标杂A1单产3 000 kg/hm2皮棉的叶面积指数、叶绿素SPAD值、光合速率和干物质累积与分配等光合生产特征.结果表明:标杂A1单产3 000 kg/hm2皮棉高产田生育前期营养器官生长的速度快、强度大.生育中后期叶面积指数高,且高值持续期长,保证了充足的光合面积;叶绿素含量高,保证了光合作用的高效进行;光补偿点低、饱和点高,光合有效光强范围大、光合速率高值持续期长,保证单株结铃数的基础上,提高铃重,是杂交棉标杂A1 实现单产3 000 kg/hm2皮棉主要的光合生产特征.