[1]董星冶,李立新,柳参奎,等.嗜碳酸盐新型微藻JB6液体肥对水稻的促生效果[J].黑龙江农业科学,2022,(08):36-41.[doi:10.11942/j.issn1002-2767.2022.08.0036]
　DONG Xing-ye,LI Li-xin,LIU Shen-kui,et al.Effects of A New Carbonate-Philic Microalgae Chlorella sp.JB6 Liquid Fertilizer on Rice Growth[J].HEILONGJIANG AGRICULTURAL SCIENCES,2022,(08):36-41.[doi:10.11942/j.issn1002-2767.2022.08.0036]
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嗜碳酸盐新型微藻JB6液体肥对水稻的促生效果

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2022年08 页码: 36-41 栏目: 出版日期: 2022-08-10
Title:
Effects of A New Carbonate-Philic Microalgae Chlorella sp.JB6 Liquid Fertilizer on Rice Growth
作者:
董星冶1; 李立新1; 柳参奎2; 卜媛媛1
1.东北林业大学 生命科学学院，黑龙江 哈尔滨 150006； 2.浙江农林大学 林业与生物技术学院，浙江 临安 311300
Author(s):
DONG Xing-ye1; LI Li-xin1; LIU Shen-kui2; BU Yuan-yuan1
1.College of Life Science,Northeast Forestry University,Harbin 150006,China; 2.College of Forestry and Biotechnology,Zhejiang Agriculture and Forestry University,Lin′an 311300,China
关键词:
水稻; 嗜碳酸盐新型微藻; 盐碱胁迫
Keywords:
rice;  microalgae;  saline-alkali stress
DOI:
10.11942/j.issn1002-2767.2022.08.0036
文献标志码:
A
摘要:
为探究嗜碳酸盐新型微藻Chlorella sp.JB6缓解盐碱环境对水稻生长胁迫的能力，以水稻长白9号为材料，采用耐盐微藻JB6生物肥在温室环境下喷灌土壤，研究不同剂量藻肥对盐碱胁迫下禾本科水稻生长情况的影响。结果表明：水培试验中，处理液pH为8.5时对水稻幼苗生长有明显的抑制作用；土培试验中，耐盐微藻JB6对盐胁迫下的水稻生长有一定的缓解作用，不同浓度的藻肥缓解效果不同。其中藻肥浓度为100%处理下，水稻的株高、叶片色泽都显著高于对照；藻肥浓度为50%处理下，对盐胁迫下水稻生长的缓解效果最佳。耐盐微藻JB6对水稻根际土壤pH也有一定的改善，藻肥浓度为50%时效果最显著。由此可见，嗜碳酸盐新型微藻JB6具有缓解盐胁迫的能力，50%浓度藻肥缓解水稻盐碱胁迫效果最佳。
Abstract:
In order to explore the ability of a new carbonate-philic microalgae Chlorella sp.JB6 to alleviate the growth of rice in soils with extremely high salt and alkaline.Oryza sativa L.Changbai 9 was used as experimental materials,we analyzed the effect of salt-tolerant microalgae JB6 biofertilizer on the growth of salt-stressed rice by sprinkler irrigation.The results showed that in the hydroponic experiment,when the pH of the treatment solution was 8.5,the growth of rice seedlings was significantly inhibited.In soil culture experiment,salt-tolerant microalgae JB6 had a certain mitigation effect on rice growth under salt stress,and different concentrations of algal fertilizer had different mitigation effects.Under the treatment of 100% algae fertilizer,the growth of rice was alleviated,and the plant height and leaf color were significantly higher than those of the control group.Algae fertilizer concentration of 50% treatment,the best mitigation effect on rice growth under salt stress.Salt-tolerant microalgae JB6 also improved the pH of rice rhizosphere soil,and the effect was the most obvious when the concentration of algae fertilizer was 50%.Thus,the addition of Chlorella sp.JB6 biofertilizer could effectively alleviate the inhibition of salt stress on plants,and 50% algae fertilizer had the best effect on alleciationg salt alkali stress in rice.

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备注/Memo

收稿日期：2022-05-26

基金项目：教育部创新团队支持项目子项目（IRT17R99）。
第一作者：董星冶（1999-），女，硕士研究生，从事生物化学与分子生物学研究。E-mail：15124535021@163.com。
通信作者：卜媛媛（1983-），女，博士，博导，副教授，从事植物逆境生物学研究。E-mail：yuanyuanbu@nefu.edu.cn。

更新日期/Last Update: 2022-09-14