文献类型：期刊文献

英文题名：Grain Yield in Mungbean (Vigna radiata) is Associated with Spatial Distribution of Root Dry Weight and Volume

作者：Zhou, Hang[1];Zheng, Dianfeng[2];Feng, Naijie[1];Xiang, Hongtao[3];Liu, Yang[4];Liang, Xilong[1]

机构：[1]Heilongjiang Bayi Agr Univ, Coll Agr, Daqing 163000, Heilongjiang, Peoples R China;[2]Guangdong Ocean Univ, Coll Agr, Zhanjiang 524088, Guangdong, Peoples R China;[3]Heilongjiang Acad Agr Sci, Inst Crop Cultivat & Tillage, Harbin 150086, Heilongjiang, Peoples R China;[4]China Agr Univ, Coll Agron & Biotechnol, Minist Agr, Key Lab Farming Syst, Beijing 100193, Peoples R China

年份：2020

卷号：43

期号：3

起止页码：408

外文期刊名：LEGUME RESEARCH

收录：SCI-EXPANDED(收录号：WOS:000544041800016)、、WOS

基金：The authors gratefully acknowledge the technical support of Prof. Dianfeng Zheng and Prof. Naijie Feng, language modification of Seth Kutikoff from Kansas State University and financial support provided by the project of Key Technology Research and Demonstration on High-efficiency Production of Coarse Beans (2014BAD07B05).

语种：英文

外文关键词：Correlation; Mung bean; Root dry weight density; Root volume density; Spatial distribution

外文摘要：Root system is an important plant organ affecting yield and the degree of influence of roots on yield in different spatial locations in the soil is different. The aim of this study was to research the spatial distribution characteristics of mung bean root and to analyze the correlation between spatial distribution of root and yield. The roots of mung bean in 0-5, 5-10, 10-15, 15-20 and 20-25 cm horizontal soil layers and in 0-20, 20-40, 40-60, 60-80 and 80-100 cm vertical soil layers were collected to analyze spatial distribution characteristics of root volume and root dry weight at full flowering stage and full pod stage. Yield and yield components were measured at maturity. Our study showed that approximately 48.4%-65.2% of the mung bean root were in 0-5 cm horizontal soil layer and about 73.2%-82.3% were in 0-20 cm vertical soil layer. Yield of mung bean exhibited significantly positive correlation with number of pods per plant. The root volume density of mung bean in 20-25 cm horizontal soil layer at full flowering stage exhibited significantly positive correlation with yield. These findings could be used to provide scientific basis for cultivating high-yield mung bean varieties with excellent root system.