Association analysis on the dormancy degree and physical parameters in three species of weed seeds

doi:10.14088/j.cnki.issn0439-8114.2021.24.027

Abstract

Abstract: In order to explore the correlation between dormancy degree of weed seeds and physical parameters, weed seeds were selected as experimental materials and widely distributed in farmland. The dormancy characteristics of three weeds Digitaria sanguinalis （L.） Scop., Galinsoga parviflora Cav., and Polygonum persicaria L., which affected the growth of various crops, were studied. The results showed that the pH of seeds of Digitaria sanguinalis （L.） Scop. had a good linear correlation with germination rate; The seeds pH and the electrical conductivity of Galinsoga parviflora Cav. had good linear correlation with the germination rate of seeds. The linear correlation between the electrical conductivity and the germination rate in Polygonum persicaria L. seeds was obvious.

Key words: seed dormancy, physical paramenters, germinating rate

CLC Number:

ZHANG Deng-hong, XIAO Chun-fang, WANG Zhen, GAO Jian-hua, ZHANG Yuan-xue, YAN Lei, ZOU Ying, SHEN Yan-fen. Association analysis on the dormancy degree and physical parameters in three species of weed seeds[J]. HUBEI AGRICULTURAL SCIENCES, 2021, 60(24): 112-114.

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