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作物学报 ›› 2009, Vol. 35 ›› Issue (8): 1552-1557.doi: 10.3724/SP.J.1006.2009.01552

• 耕作栽培·生理生化 • 上一篇    下一篇

两种灌溉方式下保水剂用量对裸燕麦产量和品质的影响

吴娜1，赵宝平1,**，曾昭海1，任长忠2，郭来春2，陈昌龙1，赵国军2，胡跃高1,*   

  1. 1中国农业大学农学与生物技术学院，北京100193；2白城市农业科学院，吉林白城137000
  • 收稿日期:2009-01-05 修回日期:2009-03-15 出版日期:2009-08-12 网络出版日期:2009-06-11
  • 通讯作者: 胡跃高, E-mail: huyuegao@cau.edu.cn
  • 基金资助:

    本研究由国家“十一五”科技支撑计划项目（2006BAD15B02）和农业部公益性行业（农业）科研专项“优质燕麦生产与加工技术研究”（nyhyzx07-099-2）资助。

Effects of Super Absorbent Polymer Application Rate on Yield and Quality of Naked Oat(Avenue nuda L.) in Two Irrigation Systems

WU Na1,ZHAO Bao-Ping1,**,ZENG Zhao-Hai1,REN Chang-Zhong2,GUO Lai-Chun2,CHEN Chang-Long,ZHAO Guo-Jun2,HU Yue-Gao1,*   

  1. 1 College of Agronomy and Biotechnology, China Agricultural University, Beijing 100193, China; 2 Baicheng Academy of Agricultural Sciences, Baicheng 137000, China
  • Received:2009-01-05 Revised:2009-03-15 Published:2009-08-12 Published online:2009-06-11
  • Contact: HU Yue-Gao, E-mail: huyuegao@cau.edu.cn

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2197

被引次数

61

摘要：

保水剂和滴灌是两种节水措施，在小麦、玉米和番茄上广泛应用。燕麦是一种对水分敏感的作物，籽粒产量和品质受水分影响较大，目前这方面研究较少。本文在大田条件下，采用裂区设计，研究了传统灌溉和滴灌两种灌溉方式下4个保水剂用量(0、30、60和90 kg hm-2)对裸燕麦白燕8号籽粒产量、籽粒品质、籽粒矿质元素含量和饲草品质的影响。结果表明，传统灌溉处理的籽粒产量比滴灌处理高14.78 %，粗蛋白、粗脂肪和β-葡聚糖含量比滴灌处理分别降低1.22%、2.73%和3.36%，差异显著(P < 0.05)。滴灌处理下籽粒中钙、镁、钾、锌、铁含量均显著高于传统灌溉，锰含量差异不显著。滴灌处理的相对饲用价值为122.38%~135.67%，显著高于传统灌溉(118.75%~134.44%)。保水剂用量对裸燕麦籽粒产量有显著影响，滴灌条件下施用保水剂比不施保水剂增产2.95%~12.14%，传统灌溉条件下施用保水剂比不施保水剂增产1.1%~5.0%。60 kg hm-2保水剂有利于裸燕麦大多数品质性状的提高，以及矿质元素的吸收利用。

关键词: 保水剂, 滴灌, 传统灌溉, 裸燕麦, 产量, 品质

Abstract:

Super absorbent polymer (SAP) and drip irrigation technique are water-saving measurements in several crops, such as wheat, maize, and tomato. Oat is a water-sensitive crop that requires a large amount of water during the growth period. Grain yield and quality of oat are affected by water condition. However, studies in this area are rare. In this study, the variation of grain yield, grain quality, mineral element contents and forage quality of naked oat were investigated under two irrigation systems (traditional irrigation and drip irrigation) and four levels of super absorbent polymer (0, 30, 60 and 90 kg ha-1). Compared with drip irrigation, grain yield under traditional irrigation was 14.78% higher, but crude protein, crude fat, and β-glucan content of grain decreased by 1.22%, 2.73%, and 3.36%, respectively. The difference between two irrigation systems was significant (P < 0.05). Calcium, magnesium, potassium, zinc and iron contents in grains were significantly higher in drip irrigation system than in traditional irrigation system, except for the manganese content. Relative feeding value, which varied from 122.38% to 135.67% in drip irrigation system, was significantly higher than that in traditional irrigation system (118.75%–134.44%). SAP had positive effect on grain yield of naked oat. In drip irrigation system, the grain yield increased by 2.95% to 12.14% when SAP was applied; it in traditional irrigation system increased by 1.1% to 5.00%. The SAP application of 60 kg ha-1improved most quality traits of naked oat including the contents of mineral elements in grains.

Key words: Super absorbent polymer, Drip irrigation, Traditional irrigation, Naked oat, Yield, Quality

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