Foliar Application of Phosphorus Enhances Photosynthesis and Biochemical Characteristics of Maize under Drought Stress
作者机构：Department of Field CropsFaculty of AgricultureÇukurova UniversityAdana01330Turkey Department of BotanyUniversity of Central Punjab(UCP)Punjab Group of CollegesBahawalpur63100Pakistan Department of AgronomyUniversity of AgricultureFaisalabad38000Pakistan Institute of Soil and Environmental ScienceUniversity of AgricultureFaisalabad38000Pakistan Department of Biological SciencesFaculty of ScienceKing Abdulaziz UniversityJeddah21577Saudi Arabia College of AgronomySichuan Agricultural UniversityChengdu611130China Department of Field CropsFaculty of AgricultureSiirt UniversitySiirt56100Turkey Department of AgronomyFaculty of AgricultureUniversity of KafrelsheikhKafrelsheikh33516Egypt
出 版 物：《Phyton-International Journal of Experimental Botany》 (国际实验植物学杂志（英文）)
年 卷 期：2021年第90卷第2期
页 面：503-514页
核心收录：
学科分类：0710[理学-生物学] 1002[医学-临床医学] 1001[医学-基础医学(可授医学、理学学位)] 09[农学] 0901[农学-作物学] 0703[理学-化学] 0902[农学-园艺学]
主 题：Photosynthetic attributes biochemical characters water stress foliar P Maize
摘 要：Water is essential for the growth period of crops;however,water unavailability badly affects the growth and physiological attributes of crops,which considerably reduced the yield and yield components in ***,a pot experiment was conducted to investigate the effect of foliar phosphorus(P)on morphological,gas exchange,biochemical traits,and phosphorus use efficiency(PUE)of maize(Zea mays L.)hybrids grown under normal as well as water deficit situations at the Department of Agronomy,University of Agriculture Faisalabad,Pakistan in *** different treatments(control and P@8 kg ha^(−1))and four hybrids(Hycorn,31P41,65625,and 32B33)of maize were tested by using a randomized complete block design(RCBD)with three *** showed that the water stress caused a remarkable decline in total soluble protein(9.7%),photosynthetic rate(9.4%)and transpiration rate(13.4%),stomatal conductance(10.2%),and internal CO_(2)rate(20.4%)comparative to well-watered *** increase of 37.1%,36.8%,and 24.5%were recorded for proline,total soluble sugar,and total free amino acid,***,foliar P application minimized the negative impact of drought by improving plant growth,physio-biochemical attributes,and PUE in maize plants under water stress *** the hybrids tested,the hybrid 6525 performed better both under stress and non-stress *** outcomes confirmed that the exogenous application of P improved drought stress tolerance by modulating growth,physio-biochemical attributes,and PUE of maize hybrids.
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