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Ying Yong Sheng Tai Xue Bao

Title:		[Allelopathic effects of companion weed Descurainia sophia on wheat]
Author(s):		Yang C; Mu X;
Address:		"College of Life Science, Northwest Science and Technology University of Agriculture and Forestry, Yangling 712100, Shaanxi, China. poplaryc1172003@yahoo.com.cn"
Journal Title:		Ying Yong Sheng Tai Xue Bao
Year:		2006
Volume:		17
Issue:		12
Page Number:		2389 - 2393
DOI:
ISSN/ISBN:		1001-9332 (Print) 1001-9332 (Linking)
Abstract:		"By using the techniques of laboratory bioassay, this paper studied the effects of Descurainia sophia extract on the germination rate, germination index, vigor index, root length, shoot height, fresh weight, and dry weight of wheat, and measured the contents of MDA, Chla/Chlb and carotene as well as the karyokinesis index of 5 more sensitive wheat strains. The results showed that D. sophia extract had allelopathic effects on all test wheat strains, though the responses of the strains were significantly different. The test 3 physiological indices of 5 more sensitive wheat strains suggested that the action spot of the allelopathic substances of D. sophia might be the cell membrane of wheat, and the measurement of karyokinesis index indicated that D. sophia extract had inhibitory effects on wheat karyokinesis"
Keywords:		Brassicaceae/chemistry/*growth & development/*metabolism Pheromones/*biosynthesis Plant Extracts/pharmacology Triticum/*growth & development/physiology;
Notes:		"MedlineYang, Chao Mu, Xiaoqian chi English Abstract Research Support, Non-U.S. Gov't China 2007/03/03 Ying Yong Sheng Tai Xue Bao. 2006 Dec; 17(12):2389-93"