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	高产大豆主要群体生理参数的变化及其对产量的影响
其他题名	Changes of Main Physiological Parameters of Soybean Population and Influences on Yield in Different Year
	魏建军 1; 罗赓彤 2; 张力 2; 张占琴 2
ISSN	1000-9841
出版年	2009
卷号	28 期号:3 页码:472-476
中文摘要	为探索新疆绿洲农田生态条件下气候因素对大豆生长的影响,2006、2007两年进行了大豆超高产栽培研究,产量分别达到5 695.2 kg·hm~(-2)和4 666.5 kg·hm~(-2).分析2007年产量低的原因,发现在基本同样的栽培条件下,不同年份间大豆的群体主要生理参数存在较大差异.2007年最大叶面积指数(Maximum area leaf index LAI_(max))为3.79,显著低于2006年的5.31;光合势在大豆生长的中后期也显著低于2006年,籽粒所占植株干物质的比例为35.6%,比2006年的38.0%低2.4个百分点.从产量构成因素的差异可以看出,单株荚数和单株粒数少是导致2007年产量低的主要原因.结果显示:2007日照时数的减少造成大豆叶片提前变黄、脱落,LAI_(max)的显著降低,增加落花落荚,降低经济系数,导致减产.新疆大豆超高产栽培在加大水肥投入和增加密度上受到光照时间和光辐射量的限制.
英文摘要	Soybean super-high yield cultivation was conducted in farmland of Xinjiang oasis in 2006 and 2007,to determine effects of climatic factors on physiological parameters and yield of soybean. The yield of 2006 and 2007 respectively a-chieved 5 554.6 kg · ha~(-1) and 4 666.5 kg · ha~(-1). Analyzing reasons of low yield in 2007,it can be found that there were significant differences in main physiological parameters of soybean population between two years, under almost same cultiva-tion conditions. Maximum leaf area index (LAI) in 2007 (3. 79) was significantly lower than that in 2006 (5.31). Corre-sponding to dynamic variation LAI_(max),photosynthetic potential of 2007 was also significantly lower than that of 2006 in mid-late period of soybean growing. The proportion of seed to total dry matter in 2007 was 33. 5% ,3. 3 percentage point lower than that of 2006. For yield components, the reduction of pods and seeds per plant were the main reason for low yield in 2007. Preliminary conclusions were drawn as follows: reduction of sunshine hours in 2007 caused higher abortion rate of flowers,early senescence of functional leaves,thus decreased economic coefficient and yield. Results suggest that in Xinjiang soybean production area, when the cultivation practices of water, fertilizer and planting density are optimized, irradiation times and ray radiation quantities became main yield restricting environmental factors.
中文关键词	大豆 ; 超高产 ; 群体生理参数 ; 经济系数
英文关键词	Soybean High-yield Physiological parameter of population Economic coefficient
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRONOMY
WOS研究方向	Agriculture
CSCD记录号	CSCD:3750476
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/223354
作者单位	1.沈阳农业大学农学院, 沈阳, 辽宁 110161, 中国; 2.新疆农垦科学院作物研究所, 石河子, 新疆 832000, 中国
推荐引用方式 GB/T 7714	魏建军,罗赓彤,张力,等. 高产大豆主要群体生理参数的变化及其对产量的影响[J],2009,28(3):472-476.
APA	魏建军,罗赓彤,张力,&张占琴.(2009).高产大豆主要群体生理参数的变化及其对产量的影响.,28(3),472-476.
MLA	魏建军,et al."高产大豆主要群体生理参数的变化及其对产量的影响".28.3(2009):472-476.