基于小麦种子发芽逆境抗逆指数的种子活力评价

doi:10.13287/j.1001-9332.201609.014

应用生态学报 ›› 2016, Vol. 27 ›› Issue (9): 2968-2974.doi: 10.13287/j.1001-9332.201609.014

基于小麦种子发芽逆境抗逆指数的种子活力评价

陈蕾太, 孙爱清, 杨敏, 陈路路, 马雪丽, 李美玲, 尹燕枰^*

山东农业大学农学院/作物生物学国家重点实验室/山东省作物生物学重点实验室, 山东泰安 271018

收稿日期:2016-01-26 发布日期:2016-09-18
通讯作者: * E-mail: ypyin@sdau.edu.cn
作者简介:陈蕾太,男,1990年生,硕士研究生. 主要从事种子生物学研究. E-mail: chenleitai90@163.com
基金资助:
国家公益性行业(农业)科研专项(201303002)资助

Seed vigor evaluation based on adversity resistance index of wheat seed germination under stress conditions.

CHEN Lei-tai, SUN Ai-qing, YANG Min, CHEN Lu-lu, MA Xue-li, LI Mei-ling, YIN Yan-ping

College of Agronomy, Shandong Agricultural University/State Key Laboratory of Crop Biology/Shandong Key Laboratory of Crop Biology, Tai’an 271018, Shandong, China

Received:2016-01-26 Published:2016-09-18
Contact: * E-mail: ypyin@sdau.edu.cn
Supported by:
This work was supported by the Special Fund for Scientific Research in the Public Interest (Agriculture)(201303002)

摘要/Abstract

摘要： 以16个小麦品种的种子为材料,通过标准发芽、逆境发芽和田间出苗试验,测定不同基因型小麦品种的种子活力,以不同发芽条件下种子活力指数的抗逆指数和田间出苗率作为衡量抗逆性的指标,利用主成分分析、聚类分析对种子活力进行综合评价.结果表明: 干旱胁迫、人工老化和冷浸胁迫3种逆境对种子活力都有一定的影响.人工老化抗逆指数和冷浸胁迫抗逆指数与田间出苗率呈显著正相关,干旱胁迫抗逆指数与田间出苗率的相关性不显著.通过主成分分析和聚类分析将16个小麦品种划分为3类、豫农949、豫麦49-198、鲁原502、郑育麦9987、石麦21、山农23号、石新828为高活力品种;许农5号、豫农982、唐麦8号、济麦20、济麦22、济南17号、山农20为中活力品种;长4738和轮选061属低活力品种.

Abstract: A total of 16 wheat cultivars were selected to detect seed vigor of different genotypes using standard germination test, seed germination test under stress conditions and field emergence test. The adversity resistance indices of seed vigor indices and field emergence percentage under different germination conditions were used as the indices to evaluate adversity resistance. Principal component analysis and cluster analysis were used for the comprehensive evaluation of seed vigor. Results showed that drought stress, artificial aging and cold soaking treatments affected seed vigor to some extent. The adversity resistance indices of the artificial aging and cold soaking tests were significantly positively correlated with the field emergence percentage, while the adversity resistance index of drought stress test had no significant correlation with the field emergence percentage. 16 wheat cultivars were classified as three groups based on the principal component analysis and cluster analysis. Yunong 949, Yumai 49-198, Luyuan 502, Zhengyumai 9987, Shimai 21, Shannong 23, and Shixin 828 belonged to high vigor seeds. Xunong 5, Yunong 982, Tangmai 8, Jimai 20, Jimai 22, Jinan 17, and Shannong 20 belonged to medium vigor seeds. The other two cultivars, Chang 4738 and Lunxuan 061, belonged to low vigor seeds.

陈蕾太, 孙爱清, 杨敏, 陈路路, 马雪丽, 李美玲, 尹燕枰. 基于小麦种子发芽逆境抗逆指数的种子活力评价[J]. 应用生态学报, 2016, 27(9): 2968-2974.

CHEN Lei-tai, SUN Ai-qing, YANG Min, CHEN Lu-lu, MA Xue-li, LI Mei-ling, YIN Yan-ping. Seed vigor evaluation based on adversity resistance index of wheat seed germination under stress conditions.[J]. Chinese Journal of Applied Ecology, 2016, 27(9): 2968-2974.

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基于小麦种子发芽逆境抗逆指数的种子活力评价

Seed vigor evaluation based on adversity resistance index of wheat seed germination under stress conditions.

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