摘要
农业生产中,化学肥料的滥用引发一系列环境问题,微藻提取物可以作为化学合成肥料的替代品,促进可持续农业发展,因此微藻作为农业生物肥料的潜力越来越受到人们的重视.通过研究栅藻提取物(25 mg/L~800 mg/L)对小麦种子萌发的影响以及提取物和微藻悬浮液对小麦幼苗生长的影响,发现不同浓度栅藻提取物对小麦种子的萌发具有一定的促进作用,微藻悬浮液及中、低浓度栅藻提取物处理均可提高小麦生物量及叶片叶绿素、蛋白质和可溶性糖的含量.效果最佳的栅藻提取物浓度为100 mg/L.研究结果可为探索栅藻源生物刺激剂最佳施用浓度,提高施肥效益,降低施用成本提供理论依据.
In agricultural production,the abuse of chemical fertilizers causes a series of environmental problems.Microalgae extract can be used as a substitute for chemical synthetic fertilizers to promote sustainable agricultural development,so the potential of microalgae as an agricultural bio-fertilizer has been paid more and more attention.This study investigates the effects of Scenedesmus sp.extract(25 mg/L~800 mg/L)on wheat seed germination and the effects of extract and microalgae suspension on wheat seedling growth were studied.The results showed that different concentrations of scenedesmus extract could promote the germination of wheat seeds;in addition,microalgae Suspension and medium or low concentrations of Scenedesmus sp.extract could increase the biomass of wheat and the contents of chlorophyll,protein and soluble sugar in leaves.The 100 mg/L Scenedesmus sp.extract could bring out the best effects.The results of this study can provide theoretical basis for exploring the optimal application concentration of Scenedesmus sp.biostimulant,improving fertilization efficiency and reducing application cost.
作者
谭梅娟
张婷
李雅吉
王嘉姝
陈静玥
王捷
TAN Meijuan;ZHANG Ting;LI Yaji;WANG Jiashu;CHEN Jingyue;WANG Jie(College of Biological Science and Technology,Taiyuan Normal University,Jinzhong Shanxi 030619,China)
出处
《太原师范学院学报（自然科学版）》
2023年第4期72-77,共6页
Journal of Taiyuan Normal University:Natural Science Edition
基金
山西省“1331工程”服务流域生态治理产业创新学科集群建设项目
2023年度山西省高等学校教学改革创新项目(J20231101)
2023年山西省高等学校大学生创新创业训练项目(20230927)
2023年度太原师范学院研究生教育创新项目(SYYJSYC-2323)。
关键词
栅藻
微藻生物刺激剂
小麦
种子萌发
幼苗生长
Scenedesmus sp.
microalgae biostimulants
wheat
seed germination
seedling growth
