[1]张双双,施正晟,张琴,等.微藻处理后的沼液对水稻种子萌发与幼苗生长的影响[J].江苏农业学报,2022,38(04):875-881.[doi:doi:10.3969/j.issn.1000-4440.2022.04.002]
　ZHANG Shuang-shuang,SHI Zheng-sheng,ZHANG Qin,et al.Effects of microalgae-treated biogas slurry on seed germination and seedling growth of rice[J].,2022,38(04):875-881.[doi:doi:10.3969/j.issn.1000-4440.2022.04.002]
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微藻处理后的沼液对水稻种子萌发与幼苗生长的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
38
期数:
2022年04期
页码:
875-881
栏目:
遗传育种·生理生化
出版日期:
2022-08-31

文章信息/Info

Title:
Effects of microalgae-treated biogas slurry on seed germination and seedling growth of rice
作者:
张双双1; 施正晟1; 张琴1; 2; 叶生梅1; 2; 李艳宾1; 2
（1.安徽工程大学生物与食品工程学院，安徽芜湖241000；2.安徽省工业微生物分子育种工程实验室，安徽芜湖241000）
Author(s):
ZHANG Shuang-shuang1; SHI Zheng-sheng1; ZHANG Qin1; 2; YE Sheng-mei1; 2; LI Yan-bin1; 2
(1.College of Biological and Food Engineering, Anhui Polytechnic University, Wuhu 241000, China;2.Anhui Engineering Laboratory for Industrial Microbiology Molecular Breeding, Wuhu 241000, China)
关键词:
微藻处理沼液; 水稻; 种子萌发; 幼苗生长
Keywords:
microalgae-treated biogas slurry; rice; seed germination; seedling growth
分类号:
S511；X703
DOI:
doi:10.3969/j.issn.1000-4440.2022.04.002
文献标志码:
A
摘要:
为探讨沼液经微藻处理后对水稻种子的浸种及施用效果，对比分析了不同体积百分比微藻处理后的沼液和未处理原沼液进行浸种以及作为培养液和叶面肥使用对水稻种子萌发及幼苗生长的影响。结果表明，经微藻处理后的沼液浸种效果要优于原沼液，其中以50%微藻处理后的沼液浸种效果最佳，水稻种子的发芽势、发芽指数和活力指数较对照分别提高176.8%、32.8%和74.0%。同样，微藻处理能有效提高沼液的肥效，水培条件下，以50%微藻处理后的沼液为培养液，水稻幼苗的根数、根长、根鲜质量及根系活力较对照分别提高了62.5%、24.8%、42.2%和44.9%，幼苗苗高、苗鲜质量及叶绿素含量分别提高了26.5%、20.4%和102.5%。在沼液为培养液基础上再喷施未处理原沼液叶面肥易造成对水稻幼苗生长的抑制，但喷施经微藻处理后的沼液能提高沼液肥效。在以50%微藻处理的沼液为培养液的基础上，再喷施25%～50%的微藻处理后的沼液能促进水稻幼苗的生长。
Abstract:
In order to investigate the soaking and application effects of microalgae-treated biogas slurry on the rice seed, the effects of using microalgae-treated biogas slurry for soaking seeds, as cultured fluid and foliar fertilizer on rice seed germination and seedling growth were compared and analyzed. The results showed that the soaking effect of microalgae-treated biogas slurry was better than that of the original biogas slurry. The best soaking effect was obtained at the concentration of 50% microalgae-treated biogas slurry, and the germination potential, germination index and vigor index of rice seeds were increased by 176.8%, 32.8% and 74.0%, respectively, compared with the control. Similarly, microalgae treatment could effectively improve the fertilizer efficiency of biogas slurry. Under hydroponic culture condition, the root number, length, fresh weight and activity of rice seedlings 50% microalgae-treated biogas slurry were increased by 62.5%, 24.8%, 42.2% and 44.9%, respectively, and the seedling height, seedling fresh weight and chlorophyll content were increased by 26.5%, 20.4% and 102.5%, respectively. Spraying biogas slurry foliar fertilizer based on biogas slurry cultured fluid could easily inhibit the growth of rice seedlings, but the fertilizer efficiency of biogas slurry could be improved after microalgae treatment. On the basis of using 50% microalgae-treated biogas slurry as cultured fluid, spraying 25%-50% microalgae-treated biogas slurry could promote the growth of rice seedlings.

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备注/Memo

备注/Memo:
收稿日期：2021-12-05基金项目：安徽省高校协同创新项目(GXXT-2019-010)；安徽省重点研究与开发计划项目(202004i07020003)；安徽省自然科学基金项目(2108085MB37)作者简介：张双双（1995-），男，安徽阜阳人，硕士研究生，主要从事生物质资源化利用研究。（E-mail）1009447357@qq.com通讯作者：李艳宾，（E-mail）ydhant@163.com
更新日期/Last Update: 2022-09-06