新疆农业科学 ›› 2022, Vol. 59 ›› Issue (12): 2988-2996.DOI: 10.6048/j.issn.1001-4330.2022.12.014

• 作物遗传育种·耕作栽培·种质资源 • 上一篇    下一篇

不同盐浓度下外源微生物菌对水稻生长发育及产量的影响

张燕红1(), 杜孝敬2, 康民泰3, 文孝荣3, 唐福森3, 袁杰1, 赵志强1, 布哈丽且木·阿不力孜1, 虢虎4, 王奉斌2()   

  1. 1.新疆农业科学院核技术生物技术研究所/自治区农作物生物技术重点实验室,乌鲁木齐 830091
    2.新疆农业科学院粮食作物研究所/农业农村部荒漠绿洲作物生理生态与耕作重点实验室,乌鲁木齐 830091
    3.新疆农业科学院温宿水稻试验站,新疆阿克苏 843100
    4.海南农垦南繁生产服务有限公司,海南三亚 572000
  • 收稿日期:2022-01-30 出版日期:2022-12-20 发布日期:2023-01-30
  • 通信作者: 王奉斌
  • 作者简介:张燕红(1982-),女,副研究员,研究方向为水稻遗传育种,(E-mail)xjnkywfb@163.com
  • 基金资助:
    新疆维吾尔自治区重点研发计划(2021B02002-3);国家水稻产业技术体系乌鲁木齐综合试验站(CARS-01-106)

Effects of Exogenous Microorganisms on Growth and Yield of Rice under Different Salt Concentrations

ZHANG Yanhong1(), DU Xiaojing2, WEN Xiaorong3, KANG Mintai3, TANG Fusen3, YUAN Jie1, ZHAO Zhiqiang1, Buhaliqem Abliz1, GUO Hu4, WANG Fengbin2()   

  1. 1. Xinjiang Key Laboratory of Crop Biotechnology /Institute of Nuclear Technology and Biotechnology, Xinjiang Academy of Agricultural Sciences Urumqi, 830091, China
    2. Key Laboratory of Oasis-Desert Crop Physiology Ecology and Cultivation of Agricultural Ministry of Agriculture and Rural Affairs, Xinjiang Academy of Agricultural Sciences /Research Institute of Food Crops,Urumqi 830091, China
    3. Rice Experiment Station in Wensu, Xinjiang Academy of Agricultural Sciences,Aksu Xinjiang 843100, China
    4. Hainan Nongken Nanfan Production Service Co., Ltd.Sanya Hainan 572000, China
  • Received:2022-01-30 Online:2022-12-20 Published:2023-01-30
  • Correspondence author: WANG Fengbin
  • Supported by:
    the Key R & D Program Project of Xinjiang Uygur Autonomous Region(2021B02002-3);China Agriculture Research System(CARS-01-106)

摘要: 【目的】 研究外源菌对水稻耐盐性的影响机制。【方法】 以水稻品种秋田小町为材料,于2019年4~10月采用盆栽方式,研究不同盐胁迫下(0、1、2、4 g/kg)根系接种微生物菌对水稻的生育进程、地上部生长指标、产量及产量构成因素的影响。【结果】 水稻根系在接种和未接种外源微生物菌后,其苗期成活率、孕穗期单株叶面积、最高分蘖数、单株干物质总量、每穗粒数、结实率、千粒重及单株产量均随着NaCl 浓度的增加呈下降的趋势,且轻度盐胁迫处理(1 g/kg)与正常对照处理(0 g/kg)之间无显著差异(P<0.05);在中度盐胁迫(2 g/kg)下,接种外源微生物菌比较未接种条件可显著提高水稻苗期成活率、孕穗期单株叶面积、分蘖成穗能力、单株干物质总量和单株产量;在重度盐胁迫(4 g/kg)下,水稻植株受盐害死亡,外源菌的效果未能体现。【结论】 当水稻受到中度盐胁迫(2 g/kg)时,水稻根系接种外源微生物菌可以缓解盐逆境对水稻生长的抑制作用,提升水稻成活率和产量,增加水稻耐盐性。

关键词: 水稻; 盐胁迫; 外源微生物菌; 耐盐性

Abstract:

【Objective】 To clarify the influence mechanism of exogenous bacteria on salt tolerance of rice.【Methods】 Rice variety "Akita Komachi " was taken as experimental material and the experiment was conducted from April to October 2019 by pot culture to study the effects of root inoculation with microorganisms on the growth process, shoot growth index, yield and yield components of rice under different salt stress (0 g/kg, 1 g/kg, 2 g/kg, 4 g/kg).【Results】 The results showed that the survival rate of rice seedlings, leaf area per plant at booting stage, maximum tiller number, total dry matter per plant, number of grains per panicle, seed setting rate, 1,000 grain weight and yield per plant decreased with the increase of NaCl concentration after inoculation and non inoculation of exogenous microorganisms, and there was no significant difference between mild salt stress treatment (1 g / kg) and normal control treatment (0 g/kg) (P<0.05). Under moderate salt stress (2 g/kg), inoculation with exogenous microflora significantly increased rice seedling survival, leaf area per plant at gestation, tiller formation capacity, total dry matter per plant and yield per plant compared to uninoculated conditions. Under heavy salt stress (4 g/kg), rice plants were killed by salt damage and the effect of exogenous bacteria was not manifested.【Conclusion】 Through comprehensive analysis, when rice was subjected to moderate salt stress (2 g/kg), inoculation of rice roots with exogenous microbial bacteria could alleviate the inhibitory effect of salt adversity on rice growth, enhance rice survival and yield, and increase rice salt tolerance.

Key words: rice; salt stress; exogenous microorganism; salt tolerance

中图分类号: 


ISSN 1001-4330 CN 65-1097/S
邮发代号:58-18
国外代号:BM3342
主管:新疆农业科学院
主办:新疆农业科学院 新疆农业大学 新疆农学会

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