干旱区生态环境知识资源中心(Arid): 梨枣平茬前后萌芽开花期对土壤水势的响应

Arid

	梨枣平茬前后萌芽开花期对土壤水势的响应
其他题名	The Response of Pear-jujube between Pre- and Post-stumping to Different Soil Water Potentials during Budding and Flowering Stages
	孙波; 汪有科
来源期刊	西北农业学报
ISSN	1004-1389
出版年	2014
卷号	23 期号:7 页码:146-154
中文摘要	为探讨梨枣平茬前后生长发育与土壤水分的定量关系,选用4 a生梨枣(Ziziphus jujuba Mill.)为试验材料,在梨枣平茬前后连续2 a分别设置4个不同的土壤水势水平,研究梨枣平茬前后在萌芽开花期营养生长与生殖生长对土壤水势的响应。结果表明:在萌芽开花期,梨枣平茬前后在高水分处理下,距地面10 cm处的茎直径生长量均极显著地大于其他3个处理,并且平茬后平均茎直径生长量比平茬前减少627.87 mum;在相同的田间管理与修剪方式下,平茬后当年梨枣新生长的树高与冠幅半径可以达到平茬前水平,平茬后当年新生长的枣吊平均长度、枣吊数量、叶面积、花芽数量分别比平茬前减少6.5%、6.7%、0.8%、52.46%,坐果率却提高1.69倍;平茬后梨枣在萌芽开花期的土壤质量含水量较平茬前升高2.875%,总体耗水小于平茬前,水分利用效率得到提高。
英文摘要	Jujube is a traditional Chinese fruit tree that is tolerant to drought and is adaptable to semi-arid conditions and has significant economic benefits. Pear-jujube(Ziziphus jujuba Mill. grafted on wild jujube) has been widely cultivated over the years in the Loess plateau region, where it is used to reforest farmlands, and currently covers more than one million hectares. This paper aimed to determine the response of the vegetative growth and reproductive growth of pear-jujube between pre- and post-stumping to different soil water potentials during budding and flowering stages. The results showed that: 1)During the budding and flowering stages, with a high level of soil moisture treatment, the diameter of trunk which was 10cm above the ground was significantly greater than the other three treatments. Meanwhile, the average stem diameter growth of post-stumping reduced 627.87 mum with contrast to that of pre-stumping. 2) In the current year after stumping, with the same field management and pruning, the new growth of tree height and canopy radius of pear-jujube could reach the pre- stumping level. At the same time, the average new growth of bearing branchlet length, number of bearing branchlet, leaf area and number of flower bud decreased 6.5%, 6.7%, 0.8% and 52.46% than that before stumping, respectively, while the fruit set percentage increased to 1.69 times to six times as compared with that of pre-stumping. 3) During the budding and flowering stages, the mass water content of soil after stumping increased by 2.875% with contrast to that of pre-stumping. The post-stumping overall water consumption was less than that of pre-stumping. As a result, the water use efficiency was improved. The study will provide a theoretical basis for the high yield and quality of pear -jujube after stumping, and provide technical support for the operation and management of jujube forest.
中文关键词	平茬 ; 梨枣 ; 土壤水势 ; 萌芽开花期 ; 茎直径微变化
英文关键词	Stumping Pear-jujube Soil water potential Budding and flowering stage Trunk diameter fluctuation
语种	中文
国家	中国
收录类别	CSCD
WOS类目	HORTICULTURE ; AGRICULTURAL ENGINEERING
WOS研究方向	Agriculture
CSCD记录号	CSCD:5208029
来源机构	中国科学院水利部水土保持研究所
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/231896
作者单位	中国科学院水利部水土保持研究所, 杨凌, 陕西 712100, 中国
推荐引用方式 GB/T 7714	孙波,汪有科. 梨枣平茬前后萌芽开花期对土壤水势的响应[J]. 中国科学院水利部水土保持研究所,2014,23(7):146-154.
APA	孙波,&汪有科.(2014).梨枣平茬前后萌芽开花期对土壤水势的响应.西北农业学报,23(7),146-154.
MLA	孙波,et al."梨枣平茬前后萌芽开花期对土壤水势的响应".西北农业学报 23.7(2014):146-154.