On the Investigation of Transplant Age Effects on Some Morphophysiological Traits of Onion Varieties in Jiroft Region
Journal Title: IOSR Journal of Pharmacy and Biological Sciences (IOSR-JPBS) - Year 2016, Vol 11, Issue 3
Abstract
This farm research was conducted in Jiroft, region in south east of Iran, in 2010 for surveying onion transplant ages effects on yield and some morphophysiological traits of three onion varieties ,as sub factor, including Primavera, Texas Early Grano 502 and Juguar. Transplant ages as main factor had four levels of 45, 55, 65 and 75 days. The varieties of seed planting in nursery to reach these transplant ages began of 23th July in 10 days intervals,respectively. This experimental research was based upon split plot with reference to RCBD with three replications. Transplanting date for all transplant ages was 7th October. Furthermore, cultivation operations such as irrigation, nutrition and insecticide spraying were done for all treatments regularly. Traits as yield, bulb characteristics (Mean bulb weight, bulb neck diameter, bulb DM %, bulb diameter, percentage of multicenter bulbs), plant bolting percentage and leaf area were recorded. The results of this study indicated that almost in all traits, 65- day transplants with especially in Primavera variety were better than that of other ages and varieties. The highest yield obtained from "65 day transplant*Primavera" treatment (71.1T/ha).
Authors and Affiliations
Mohsen Khodadadi1
Keywords
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