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中国农学通报 ›› 2022, Vol. 38 ›› Issue (9): 71-74.doi: 10.11924/j.issn.1000-6850.casb2021-0400

所属专题: 生物技术 园艺 农业气象

• 林学·园艺·园林 • 上一篇    下一篇

灌水量对民勤干旱沙区骏枣生长和产量的影响

王强强1,2(), 杨自辉1,2, 郭树江1,2, 张剑挥1,2, 王多泽1,2   

  1. 1甘肃民勤荒漠草地生态系统国家野外科学观测研究站,甘肃民勤 733300
    2甘肃省荒漠化与风沙灾害防治国家重点实验室(培育基地),甘肃武威 733000
  • 收稿日期:2021-04-14 修回日期:2021-06-16 出版日期:2022-03-25 发布日期:2022-04-02
  • 作者简介:王强强,男,1981年出生,甘肃天水人,副研究员,硕士,主要从事荒漠化防治研究。通信地址:730070 甘肃省兰州市安宁区北滨河西路390号,Tel:0931-7606191,E-mail: wqq-1999@126.com
  • 基金资助:
    甘肃省科技支撑计划“民勤干旱沙区枣树生态经济林高效节水技术研究与示范”(1604FKCA095);林业公益性行业科研专项“石羊河流域防护林生态功能监测评价及结构优化模式研究”(201404306);中央财政林业科技推广示范项目“枣树优良品种及栽培技术推广示范”([2020]ZYTG2)

Effect of Irrigation Amount on Growth and Yield of Jujube in Arid Desert Area of Minqin

WANG Qiangqiang1,2(), YANG Zihui1,2, GUO Shujiang1,2, ZHANG Jianhui1,2, WANG Duoze1,2   

  1. 1Gansu Minqin National Studies Station for Desert Steppe Ecosystem, Minqin, Gansu 733300
    2State Key Laboratory Breeding Base of Desertification and Aeolian Sand Disaster Combating, Wuwei, Gansu 733000
  • Received:2021-04-14 Revised:2021-06-16 Online:2022-03-25 Published:2022-04-02

摘要:

为民勤干旱沙区红枣栽培探索科学合理的灌溉制度,以4年生密植骏枣为研究对象,通过田间试验,研究生育期滴灌条件下充足灌水、80%轻度调亏、60%中度调亏和40%重度调亏4种灌溉措施对枣树生长和产量的影响。结果表明:在民勤干旱沙区,供水量在425.7~545.7 mm之间枣树均能正常生长,株高、新梢长和茎粗增量均随着灌水量的增加而增大;轻度调亏灌溉可提高骏枣果实的纵、横径和单果质量,产量增加7.8%,水分利用效率提高16.3%。采取轻度调亏灌溉措施可以有效提高民勤干旱沙区枣树产量和水分利用效率。

关键词: 灌水量, 调亏灌溉, 骏枣生长, 产量, 民勤干旱沙区

Abstract:

To explore a scientific irrigation system for the cultivation of jujube in arid desert area of Minqin, the effects of four irrigation measures (adequate irrigation, 80% mild regulated deficit irrigation, 60% moderate regulated deficit irrigation and 40% severe regulated deficit irrigation) on growth and yield of 4-year-old and densely planted jujube in the growth period were studied in field using drop irrigation. The results showed that the jujub trees could normally grow under water supply ranging from 425.7 to 545.7 mm, their plant height, shoot length and stem diameter increased with the increase of irrigation amount. Mild regulated deficit irrigation could improve the longitudinal diameter, transverse diameter and single fruit mass of jujube, increase the yield by 7.8% and the water use efficiency by 16.3%. Mild regulated deficit irrigation could effectively improve the yield and water use efficiency of jujube in arid desert area of Minqin.

Key words: irrigation amount, regulated deficit irrigation, growth of jujube, yield, Minqin arid desert area

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