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Difference Analysis of Allelopathy of Water Extract of Healthy and Root Rot Panax quinquefolium L.

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年12
Page:
9-16
Research Field:
Publishing date:

Info

Title:
Difference Analysis of Allelopathy of Water Extract of Healthy and Root Rot Panax quinquefolium L.
Author(s):
DONG Yanxin1; JIANG Jinglong1; LI Li1; YANG Ni1; JIAO Chengjin2; CHEN Dejing1
(1.College of Biological Sciences and Engineering,Shaanxi University of Technology,Hanzhong,Shaanxi 723000；2.College of Chemical Engineering & Technology,Tianshui Normal University,Tianshui,Shaanxi 741001)
Keywords:
Panax quinquefolium L.; water extract; allelopathic effects; root rot; seed germination rate
PACS:
-
DOI:
10.11937/bfyy.20203887
Abstract:
The seeds of Cucumis sativus,Raphanus sativus and Brassica pekinensis were treated with water extract of Panax quinquefolium.The effects of different concentrations of water extract of healthy and root rot Panax quinquefolium on seed germination rate,seedling hypocotyl length,root length and fresh weight of 3 kinds of plants were studied,in order to analyze the differential allelopathy of Panax quinquefolium in health and root rot disease,so as to provide a basis for further screening and identification of differential susceptible substances.The results showed that the water extract of Panax quinquefolium with root rot disease significantly inhibited the seeds germination of Cucumis sativus and Brassica pekinensis at 25 000 mg ?L-1 and 2 500 mg ?L-1,respectively.And the highest inhibition rate was 37.25% and 24.00%,respectively,while that of healthy American ginseng had no significant inhibitory effect.In addition,the water extract of Panax quinquefolium with root rot disease significantly reduced the root length and hypocotyl length of Cucumis sativus,Brassica pekinensis and Raphanus sativus seedlings,and the growth of Cucumis sativus,Brassica pekinensis and Raphanus sativus was inhibited.But there was no obvious phenomenon in the water extract of healthy Panax quinquefolium.In conclusion,there were significant differences in allelopathic effects of water extract of healthy and root rot Panax quinquefolium on Cucumis sativus, Raphanus sativus and Brassica pekinensis seeds.

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Last Update: 2021-09-23