期刊
SCIENTIA HORTICULTURAE
卷 124, 期 4, 页码 434-439出版社
ELSEVIER
DOI: 10.1016/j.scienta.2010.02.005
关键词
Onion; Allium cepa L.; Butenolide; Smoke solutions; Growth; Bulb; Genotoxicity
类别
资金
- National Research Foundation (NRF), Pretoria
- Claude Leon Foundation
- University of KwaZulu-Natal
Smoke-water and a biologically active butenolide compound (3-methyl-2H-furo[2,3-c]pyran-2-one) derived from burning plant material, show stimulating effects on a number of agricultural and horticultural crops. in these trials, onion (Allium cepa L) plants were treated (drenched) with either a 1:500 (v/v) smoke-water solution or a butenolide solution of 10(-10) M under greenhouse conditions. Onion plants supplied with smoke-water and butenolide solution exhibited a significantly greater number of leaves, increased leaf length, and a higher fresh and dry leaf weight than untreated plants at 175 days after seed sowing (DASS) (third harvest). In addition, smoke-water and butenolide-treated onion plants exhibited a significantly higher bulb diameter and bulb weight than untreated plants, when these plants were harvested at 175 DASS. Overall, smoke-water was more effective than butenolide and achieved the highest harvest index. Genotoxicity was not detected in the bulbs of onion when they were treated with either smoke-water or butenolide. (C) 2010 Elsevier B.V. All rights reserved.
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