不同生物刺激剂对茄子幼苗质量的影响  

Effects of Different Bio-stimulants on Quality of Eggplant Seedlings

作　　者：刘希港 季托 李卓孟 李楠 魏珉[1,3,4] 李静 杨凤娟[1,2,3] LIU Xigang;JI Tuo;LI Zhuomeng;LI Nan;WEI Min;LI Jing;YANG Fengjuan(College of Horticulture Science and Engineering,Shandong Agricultural University,State Key Laboratory of Crop Biology,Taian 271018,Shandong,China;Key Laboratory of Biology and Genetic Improvement of Horticultural Crops(Huanghuai Region),Ministry of Agriculture and Rural Affairs,Taian 271018,Shandong,China;Collaborative Innovation Center of Fruit and Vegetable,Shandong Province,Taian 271018,Shandong,China;Scientific Observing and Experimental Station of Facility Agricultural Engineering(Huang-Huai-Hai Region),Ministry of Agriculture and Rural Affairs,Taian 271018,Shandong,China)

机构地区：[1]山东农业大学园艺科学与工程学院,作物生物学国家重点实验室,山东泰安271018 [2]农业农村部黄淮地区园艺作物生物学与种质创制重点实验室,山东泰安271018 [3]山东果蔬优质高效生产协同创新中心,山东泰安271018 [4]农业农村部黄淮海设施农业工程科学观测实验站,山东泰安271018

出　　处：《中国蔬菜》2023年第4期79-86,共8页China Vegetables

基　　金：“十三五”国家重点研发计划项目(2019YFD1001904);国家自然科学基金项目(32172556);2020年度山东省重点扶持区域引进急需紧缺人才项目[鲁发改动能办(2020)1285号]。

摘　　要：为探究不同生物刺激剂在茄子育苗产业中的应用,研究了腐殖酸、鱼蛋白、海藻精、甲壳素和氨基酸等5种生物刺激剂对茄子幼苗质量的影响。结果表明,5种生物刺激剂处理对茄子幼苗株高、茎粗、地上部及地下部干鲜质量、根系长度、根系表面积、根系体积、根系平均直径、叶片中叶绿素a+b含量及净光合速率的影响均存在浓度效应,呈先增加后降低的变化趋势,且各处理均以稀释600倍效果较好。主成分分析结果表明,稀释600倍的鱼蛋白对茄子幼苗的促生效果最好。与对照相比,壮苗指数提高54.12%;根系长度、根系表面积、根系体积和根系平均直径分别提高74.70%、89.34%、80.70%和26.92%;叶绿素a+b含量和净光合速率增加41.26%和45.00%。海藻精和甲壳素的促生效果次之,壮苗指数分别提高33.03%和34.86%。In order to explore the application of different bio-stimulants on eggplant seedlings industry,this paper studied the effects of 5 bio-stimulants,including humic acid,fish protein,seaweed essence,chitin and amino acid on quality of eggplant seedlings.The results showed that all 5 bio-stimulants treatments had concentration effects on eggplant seedlings plant height,stem diameter,shoot dry weight and fresh weight of above ground and below ground,root length,root surface area,root volume and root average diameter,chlorophyll a+b contents in leaf blades,and net photosynthetic rate.There was a changing tendency of first increase then decrease.The better effect of each treatment was diluting 600 times.The results of principal component analysis showed that diluted 600 times fish protein had the best effect on promoting the growth of eggplant seedlings.Compared with the contrast,sound seedling index had increased 54.12%;root length,root surface area,root volume and root average diameter had increased 74.70%,89.34%,80.70%and 26.92%,respectively;chlorophyll a+b contents and net photosynthetic rate had increased 41.26%and 45.00%.Seaweed extract and chitin had the second growth promoting effect.The sound seedling index was increased by 33.03%and 34.86%,respectively.

关 键 词：生物刺激剂 茄子 幼苗 壮苗指数 主成分分析 

分 类 号：S641.1[农业科学—蔬菜学]