干旱区生态环境知识资源中心(Arid): 不同覆膜种植方式对旱地冬小麦干物质积累与分配的影响

Arid

	不同覆膜种植方式对旱地冬小麦干物质积累与分配的影响
其他题名	Influence of film mulching modes on dry matter accumulation and distribution of winter wheat in arid land
	杨长刚 1; 柴守玺 1; 陈恒洪 1; 常磊 1; 岳云 2
来源期刊	甘肃农业大学学报
ISSN	1003-4315
出版年	2012
卷号	47 期号:6 页码:49-56
中文摘要	2008~2010年在甘肃省定西市半干旱雨养条件下,采取全膜穴播覆土(A)、全膜穴播(B)、膜侧条播(C)3种覆膜种植方式,并以露地条播为对照(CK),研究了不同覆膜种植方式对旱地冬小麦干物质积累与分配的影响.结果表明:2年度各覆膜方式下小麦开花期群体最大干物质积累量、向籽粒的转运量、对籽粒贡献率都明显高于CK,分别较CK高112.9%、128.9%和12.5%.覆膜对籽粒贡献率的提高主要是促进了叶部(叶片+叶鞘)和茎杆物质向籽粒的转运,但降低了穗部(穗轴+颖壳)转运率和贡献率;不同覆膜方式间比较,干物质积累量、转运量均以处理B最高,贡献率以处理A最高,3种覆膜方式中,积累量、转运量、转运率和贡献率均以处理C为最低.处理A、B转运率的高低差异因年份而异.虽然3种覆膜种植方式开花期群体干物质积累量、转运量都显著高于CK,但单茎干物质积累量和转运量有些覆膜方式不一定较CK高,且处理间差异单茎远小于群体.
英文摘要	The objective of this study was to determine the effects of different film mulching modes on dry matter accumulation and distribution of winter wheat under semi-arid conditions in Dingxi City,Gansu Province.In a continuous experiment across two growing seasons,from 2008to 2010,we planted winter wheat with different plastic film mulching treatments,including film-mulched soil and bunch-seeded(A), plastic dropping in hill(B),drilling beside plastic film (C),and compared with open drill seeding(CK). The results showed that maximum dry matter accumulation at anthesis,dry matter translocation amount to grain,and contribution to grains of winter wheat treated with the plastic film mulch were obviously higher than those in conventional open field cultivation,the improvements were 112.9%,128.9%and 12.5%,respectively. Plastic film mulching on improving grain contribution rate mainly was through promoted the dry matter transform from leaf(blade and sheath)and stalks to grain,but it would reduce the dry matter transport rate and contribution rate to grain of spike department(spike axis and grain husk).Comparing three mulching methods,treatment B had the highest dry matter accumulation and translocation,treatment A had the highest contribution rate,and treatment C had the lowest dry matter accumulation,translocation,transfer rate and contribution rate.Translocation rate of treatment A and B differed with year.Although different plastic film mulching treatments were in the anthesis stage,the dry matter accumulation and translocation amount of populations was significantly higher than that of CK,but the single stem biomass accumulation and translocation in some mulched treatments was not necessarily higher than that of CK,and the differences between the treatments of a single stem was far small in populations.
中文关键词	地膜覆盖 ; 冬小麦 ; 干物质积累与分配 ; 旱地
英文关键词	plastic film winter wheat dry matter accumulation and distribution dry land
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:4730987
来源机构	甘肃农业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/227949
作者单位	1.甘肃农业大学农学院, 兰州, 甘肃 730070, 中国; 2.甘肃省农业技术推广总站, 兰州, 甘肃 730020, 中国
推荐引用方式 GB/T 7714	杨长刚,柴守玺,陈恒洪,等. 不同覆膜种植方式对旱地冬小麦干物质积累与分配的影响[J]. 甘肃农业大学,2012,47(6):49-56.
APA	杨长刚,柴守玺,陈恒洪,常磊,&岳云.(2012).不同覆膜种植方式对旱地冬小麦干物质积累与分配的影响.甘肃农业大学学报,47(6),49-56.
MLA	杨长刚,et al."不同覆膜种植方式对旱地冬小麦干物质积累与分配的影响".甘肃农业大学学报 47.6(2012):49-56.