Journal of Food, Agriculture and Environment

Vol 8, Issue 1,2010
Online ISSN: 1459-0263
Print ISSN: 1459-0255

Effect of irrigation methods and transplant size on onion cultivars yield and quality


J. Mohammadi 1*, J. Lamei 1, A. Khasmakhi-Sabet 1, J. A. Olfati 2, Gh. Peyvast 2

Recieved Date: 2009-10-12, Accepted Date: 2010-01-04


Onions are generally established either by direct seeding or bare root transplants. Compared to direct seeding, transplanted onions provide for an immediate and complete stand. The effect of transplant age on yield is an issue often broached by growers of horticultural and agronomic crops in an effort to maximize production potential. The experiment was arranged in a randomized complete block (split plot factorial) with irrigation method as main plot and three varieties and two planting methods on ridges and flat as subplot and replicated three times. Results showed that irrigation method only affected on bulb weight and leaf sheath length. In other hand transplant size had significant effect on neck thickness, total plant weight, bulb weight, bulb diameter, leaf sheath length, yield and root weight. Between tested cultivars Qooli Qesse resulted the highest yield.


Onion, planting method, irrigation system, transplanting, transplant size

Journal: Journal of Food, Agriculture and Environment
Year: 2010
Volume: 8
Issue: 1
Category: Agriculture
Pages: 158-160

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