Effects of Bioorganic Fertilizers on the Leaf Antioxidant Enzyme Activity and the Photosynthetic Characteristics of Replanted Szechuan Pepper, Zanthoxylum simulans

作     者：Shuheng Zhang Jing He Bin Wang Xiaoyan Zhang Qi Liu Dedong Ding 

作者机构：College of ForestryGansu Agricultural UniversityLanzhou 730070People’s Republic of China College of ForestryNorthwest A&F UniversityYangling 712100People’s Republic of China Institute of Ecological ForestrySichuan Agricultural UniversityChengdu 611130People’s Republic of China 

出 版 物：《Journal of Agricultural Science and Technology(B)》 (农业科学与技术（B）)

年 卷 期：2020年第10卷第4期

页      面：255-263页

学科分类：0710[理学-生物学] 071001[理学-植物学] 07[理学] 

基　　金：This study was supported by the Central Committee for guiding the local science and technology development sub-project“Study on the Structural Adjustment and Optimization Research and Platform Construction of the Characteristic Economic Forest and Pepper in Longnan” and thanks for the International Science Editing(http://www.Internationalscienceediting.com)for editing this manuscript 

主　　题：Bio-organic fertilizer continuous cropping obstacle Zanthoxylum simulans antioxidant enzyme activity photosynthetic characteristics 

摘      要：Continuous cropping obstacles hamper the efficient growth and yield of Szechuan pepper,Zanthoxylum *** current study investigated the impact of different levels of bioorganic fertilizer on the leaf physiological and photosynthetic characteristics of *** to provide a theoretical reference for continuous *** crop cultivation.A bioorganic fertilizer was used to treat seedlings growing in 25-year-old continuous cropping *** fertilizer treatments were *** impacts of the treatments on the activity of defense enzyme and photosynthetic parameters of *** leaves were *** different concentrations of bioorganic fertilizer reduced to varying degrees the malondialdehyde(MDA)content and intercellular CO2 concentration(Ci),and increased the activity of peroxidase(POD),superoxide dismutase(SOD),and ascorbate peroxidase(APX),as well as the chlorophyll content,net photosynthetic rate(Pn),stomatal conductance(Gs)and transpiration rate(Tr)of *** *** results showed that most significant increases or decreases were achieved with 100 g/L bioorganic fertilizer(Y2).Thus,the application of bioorganic fertilizer at a rate of 100 g/L can significantly improve the activity of relevant defense enzymes and photosynthetic parameters of ***,and reduce the MDA content,enhancing the stress resistance of the plants,promoting their growth and addressing,to some extent,obstacles associated with continuous cultivation.