|Table of Contents|

Effects of EMS Mutagenesis on Seed Vigor and  Agronomic Characteristics of Cowpea

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年08
Page:
64-68
Research Field:
Publishing date:

Info

Title:
Effects of EMS Mutagenesis on Seed Vigor and  Agronomic Characteristics of Cowpea
Author(s):
ZHANG Yukun; YANG Jing; LIN Guocang; REN Xiangrong; HUI Jingtao; TANG Yong
(Comprehensive Testing Ground,Xinjiang Academy of Agricultural Sciences，Urumqi，Xinjiang 830012)
Keywords:
cowpea; seed vigor; agronomic characteristics; EMS; mutagenesis; breeding
PACS:
-
DOI:
10.11937/bfyy.20173180
Abstract:
Cowpea varieties ‘Qingjiang 909’ was used as test material,the seeds were induced by EMS and field cultivation experiments were carried out，effects of the EMS treatment on seed vigor，growth period，agronomic characteristics and economics traits were studied，in order to provide reference for the establishment of the mutant library and germplasm innovation.The results showed that effect of the EMS treatment concentration on the seed vigor was obviously，with the increase of treatment concentration，the seed vigor showed decreasing trend；the difference of the treatment on seedling stage was obviously，but the difference of the treatment compared with the contrast was unobviously from the whole growth period；the difference of the treatment on agronomic characteristics and economics traits was obviously，the first flowering node was lower than the contrast，the lowest was 0.2% treatment，the number of branches per plant of the 0.1% treatment was the most，the pod numbers per plant of 0.5% treatment were the most；the longest pod length was 0.1% treatment，the total weight of dry weight per plant of 0.1% treatment was the heaviest，the average dry pod weight of 0.2% treatment was the highest.Taking into consideration various factors，under the condition of the EMS 0.1% treatment concentration，which could be used to filtrate high quality and yield of cowpea new varieties，thus seed vigor，seedling rate，pod length，pod thickness，and total weight of dry pods per plant were superior to other treatments.

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Last Update: 2018-05-03