|Table of Contents|

Effect of Heat Acclimation and EBR on Photosynthesis Characteristics in Leaves of Soybean Flowering Stage, Yield and Quality Maturation Stage(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2017年02期
Page:
237-244
Research Field:
Publishing date:

Info

Title:
Effect of Heat Acclimation and EBR on Photosynthesis Characteristics in Leaves of Soybean Flowering Stage, Yield and Quality Maturation Stage
Author(s):
XIE Yuncan;  HE Xiaolei;  DU peng;  XING Han;  JIANG Haidong
Key Laboratory of Crop Phsiology Ministry of Agriculture, National Center for Soybean Improvement, Nanjing Agriculture University, Nanjing 210095, China
Keywords:
EBR;  Soybean;  Heat Stress;  Yield
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2017.02.0237
Abstract:
Soybean is one of important oil crop in China A pot experiment was carried to study the alleviated effects of foliar spraying EBR under heat stress at flowering stage The pot experiment were conducted as a randomized block design in 2014 and 2015 at the Pailou Experimental Station, Nanjing Agriculture University Nannong 996 was used in this study EBR pretreatment was applied 7 days after anthesis for 4 days, and then exposed to heat stress for 4 days Sampling and measurements were done at 11(end of treated with EBR), 15(end of heat stress), 19(4 days after recover to normal temperature) and 27(8 days after recover to normal temperature) days after anthesis, respectively The results showed exogenous EBR pretreatment significantly increased net photosynthetic rate, dry matter accumulation and 100grain weight, yield per plant in soybean under heat stress or normal condition Moreover, EBR pretreatment improved grain quality by enhancing contents of protein, total soluble sugar and starch, decreasing crude lipid content dramaticly under heat stress in soybean It is concluded that exogenous EBR pretreatment increased grain yield and improved grain quality by enhancing photosynthetic ability, dry matter accumulation and protein content

References:

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Last Update: 2017-05-14