[1]赵成国,徐海港,李刚华,等.超高产单季粳稻抽穗期群体构成研究[J].南京农业大学学报,2011,34(2):23-28.[doi:10.7685/j.issn.1000-2030.2011.02.005]
 ZHAO Cheng-guo,XU Hai-gang,LI Gang-hua,et al.Studies on population composition of super-high-yielding single-cropping japonica rice in heading stage[J].Journal of Nanjing Agricultural University,2011,34(2):23-28.[doi:10.7685/j.issn.1000-2030.2011.02.005]
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超高产单季粳稻抽穗期群体构成研究()
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《南京农业大学学报》[ISSN:1000-2030/CN:32-1148/S]

卷:
34卷
期数:
2011年2期
页码:
23-28
栏目:
出版日期:
2011-03-31

文章信息/Info

Title:
Studies on population composition of super-high-yielding single-cropping japonica rice in heading stage
作者:
赵成国徐海港李刚华丁艳峰王绍华
南京农业大学农业部南方作物生理生态重点开放实验室/江苏省信息农业高技术研究重点实验室,江苏南京210095
Author(s):
ZHAO Cheng-guo XU Hai-gang LI Gang-hua DING Yan-feng WANG Shao-hua
Key Laboratory of Crop Physiology and Ecology in Southern China, Ministry of Agriculture/ Hi-Tech Key Laboratory of Information Agriculture of Jiangsu Province, Nanjing Agricultural University, Nanjing 210095, China
关键词:
水稻 超高产 抽穗期 群体构成 茎蘖组成
Keywords:
rice super-high-yielding heading stage population composition composition of stems and tillers
分类号:
S511.41
DOI:
10.7685/j.issn.1000-2030.2011.02.005
文献标志码:
A
摘要:
调查了武进农业科学研究所超高产攻关试验田单季粳稻泰粳394和武运粳23的群体状况,分析了产量大于12.0 t.hm-2、10.5~12.0 t.hm-2和小于10.5 t.hm-2这3种群体抽穗期的个体构成。结果表明:产量大于12.0 t.hm-2的超高产群体抽穗期茎蘖数、颖花数、干重和叶面积等数量指标的构成中,大分蘖(分蘖干重/主茎干重大于0.8)所占的比例大于30%,小分蘖(分蘖干重/主茎干重小于0.6)所占的比例小于11%。因此,群体合理的茎蘖组成是形成超高产的基础。
Abstract:
In this study, we investigated the population status of super-high-yielding experiment yields for Taijing 394 and Wuyunjing 23 where in Wujin Agricultural Research Institute. The individual composition was also analyzed in heading stage, including three yielding populations:higher than 12.0 t·hm-2, 10.5 to 12.0 t·hm-2 and less than 10.5 t·hm-2.The results showed that among the quantity indexes of stems and tillers, spikelet numbers, dry matter weight and leaf area, the proportion of big tillers(dry weight ratio of tillers to main stems more than 0.8)was more than 30% and the proportion of small tillers(dry weight ratio of tillers to main stems was less than 0.6)was less than 11%. This study showed that the reasonable composition of stems and tillers was the foundation of super-high-yielding.

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“十一五”国家科技支撑计划项目(2006BAD02A03)
更新日期/Last Update: 2011-03-25