首页>>学术检索

不同供水条件对小南瓜产量及根系发育的影响

标题: 不同供水条件对小南瓜产量及根系发育的影响
英文标题: EFFECTS OF DIFFERENT WATER SUPPLY CONDITIONS ON YIELD AND ROOT DEVELOPMENT OF PUMPKINS
作者: 董肖杰,李淑文,柴彦亮,王振宇,张立峰,文宏达
英文作者: DONG XIAOJIE,LI SHUWEN,CHAI YANLIANG,WANG ZHENYU,ZHANG LIFENG,WEN HONGDA ※
出版时间: 2009-01-01
机构: 河北农业大学,河北农业大学
关键词: 小南瓜,产量,水分利用效率,根系
英文关键词: PUMPKIN,YIELD,WATER USE EFFICIENCY,ROOT SYSTEM
刊名: 农业工程学报
英文刊名: TRANSACTIONS OF THE CHINESE SOCIETY OF AGRICULTURAL ENGINEERING
ISSN: 1002-6819
卷号: 0S1
基金: ^A国家科技支撑计划项目^B2006BAD15B05^D1%^A河北省科学技术研究与发展计划项目^B06220901D^D2
页码: 17-20
分类号: S642.1
摘要: 以小南瓜为试验材料,采用盆栽的方法研究了5种供水条件:贫水年型(对照)、平水年型、丰水年型、贫补年型和平补年型(在贫水年和平水年中于小南瓜开花伸蔓期和果实膨大期补水,每次10mm)对小南瓜产量、水分利用效率和根系发育的影响.结果表明:平补年型小南瓜产量最高,达到了19604.5kg/hm2,水分利用效率达到64.76kg/(mm?hm2);整根总根长、直径小于1mm的根长、总根表面积、总根体积均高于对照;根系干质量最大,为799g,冠质量最大,为441.60g,根冠比为1.81%.因此,平水年适期补水是最适合小南瓜生长的供水条件.
英文摘要: The trial adopted the potted method with the pumpkin as experimental material and studied the effects of five water supply conditions:dry year style(control),normal year style,wet year style,dry and make-up water year style, normal and make-up water year style(supplying water at flowering and vine elongation and fruit expanding process of pumpkins during dry year and normal year,once 10mm)on yields,water use efficiency and root development of pumpkins.Results showed that in the treatment of normal and make-...