Individual Cotton Boll Weight as Influenced by Different Production Eco-Regions and Meteorological Factors

ZHANGWang-feng; GOULing; WANGZhen-lin; LIShao-kun; YUSong-lie; CAOLian-pu; LIWei-ming

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Individual Cotton Boll Weight as Influenced by Different Production Eco-Regions and Meteorological Factors

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摘要

In order to explore systematically the physiological mechanism of high yield cotton ( Gossypium hirsutum L.) in Xinjiang, and further improve yield, the yield components were compared between three ecological regions. Boll number per plant was lower in South and North Xinjiang, but the harvested plant population were nearly 1.5 times higher than that in Nangong, so total boll numbers per unit area were greater in South and North Xinjiang. Weight per boll in south and north of Xinjiang was 5.896.50 g and 5.43 6.12 g respectively, 24 to 51% heavier than that in Nangong. The diurnal temperature difference between day and night was relatively greater in Xinjiang than in Nangong, benefitting the accumulation of photosynthetic product in bolls. The temperature difference and total hours of sunshine in boll period are the main reasons for cottons higher boll weight and yield in Xinjiang than in Nangong.

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来源
《农业科学学报：英文版》 |2003年第9期|964-969|共6页
作者
ZHANGWang-feng; GOULing; WANGZhen-lin; LIShao-kun; YUSong-lie; CAOLian-pu; LIWei-ming;
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作者单位

KeyLaboratoryofOasisEcologyAgricultureofXiniiangBingtuan／ResearchCenterofXinjiangCropHigh-Yield;

ShiheziUniversity;

Shihezi832003;

P.R.China;

CollegeofAgronomy;

ShandongAgriculturalUniversity;

Tai‘an271018;

P.R.China;

KeyLaboratoryofCropGeneticandBreeding;

MinistryofAgriculture／InstituteofCropBreedingandCultivation;

ChineseAcademyofAgnculturalSciences;

Beijing100081;

P.R.China;

InstituteofCotton;

HebeiAcademyofAgriculturalSciences;

Shijiazhuang050051;

P.R.China）;

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原文格式 PDF
正文语种 chi
中图分类棉;
关键词
棉花; 圆荚重量; 圆荚数量; 气象因子; 生态环境; Gossypium; hirsutum品系; 产量; 温度; 光合作用;

机译：陆地棉;棉;单铃重;气象因子;生态区;

Individual Cotton Boll Weight as Influenced by Different Production Eco-Regions and Meteorological Factors

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