摘要
本试验以鲁单818为材料,设置0(P1)、20kg/hm^(2)(P2)、40kg/hm^(2)(P3)、60kg/hm^(2)(P4)、80 kg/hm^(2)(P5)、100kg/hm^(2)(P6)共6个磷素处理水平,研究不同磷素用量对玉米生长及生理生化指标的影响。结果表明,施用磷肥促进玉米生长发育,提高玉米生理代谢以及抗逆性。随着磷素用量的增加,玉米株高、叶面积、根系长度、根系表面积及根系体积明显增加;叶绿素含量、根系活力、可溶性糖、可溶性蛋白含量以及SOD活性均显著提高。本试验条件下,磷素用量100kg/hm^(2)处理对提高玉米生长和生理生化指标的效果最好。
In order to study the effects of different phosphorus dosages on growth and physiological and biochemical parameters of maize,an experiment was conducted with Ludan 818 as material by setting six phosphorus levels as 0 kg/hm^(2)(P1),20 kg/hm^(2)(P2),40 kg/hm^(2)(P3),60 kg/hm^(2)(P4),80 kg/hm^(2)(P5)and 100 kg/hm^(2)(P6).The results showed that the application of phosphorus fertilizer could promote maize growth and development,and increase the physiological metabolism and stress resistance.The plant height,leaf area,root length,root surface area and root volume increased obviously,and the chlorophyll content,root activity,soluble sugar,soluble protein and SOD activity of maize increased significantly with the increase of phosphorus fertilizer dosage.Under the experiment conditions,the phosphorus dosage of 100 kg/hm^(2) had the best effects on the growth and physiological and biochemical parameters of maize.
作者
高文龙
张赢心
卢英进
崔浩
贾志越
高占
冯木彩
刘树堂
Gao Wenlong;Zhang Yingxin;Lu Yingjin;Cui Hao;Jia Zhiyue;Gao Zhan;Feng Mucai;Liu Shutang(College of Resources and Environment,Qingdao Agricultural University,Qingdao 266109,China;Zhucheng Agricultural Technology Extension Center,Zhucheng 262200,China)
出处
《山东农业科学》
北大核心
2022年第4期90-94,共5页
Shandong Agricultural Sciences
基金
山东省农业重大应用技术创新项目(SD2019ZZ013)
山东省科技特派员行动计划项目(2020KJTPY075)。
关键词
玉米
磷素用量
根系指标
生长指标
生理生化指标
Maize
Phosphorus dosage
Root indicators
Growth indicators
Physi ological and biochemi-cal parameters
