Open AccessJournal Article
Crop Weed Competition Study in Onion (Allium cepa L.) under Dry Temperate High Hills Condition of Himachal Pradesh
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Significantly highest bulb yield and onion yield contributing characters were obtained in the plots remaining weed-free during the first 60 days after transplanting and resulted in 15.4 tons of onion bulb yield which indicated that the critical period of weed competition was found to be 60 days.Abstract:
Weed crop competition was studied to determine the critical period in onion (Allium cepa L.) during summer seasons of 1999 and 2000 at the Research Farm of H. P. K. V. Research Sub-Station, Lari (Lahaul and Spiti). Malva parvifora, Poa annua, Chenopodium album, Amaranthus sp., Anagalis arvensis and Melilotus indica were the dominant weed species associated with the crop. Among these M. pamiflora and P. annua were the most predominating weeds. Bulb yield loss increased with the increase in the duration of competition and maximum loss (594.7%) occurred due to full season competition. Significantly highest bulb yield and onion yield contributing characters were obtained in the plots remaining weed-free during the first 60 days after transplanting and resulted in 15.4 tons of onion bulb yield which indicated that the critical period of weed competition was found to be 60 days.read more
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Chemical control of weeds in onion (Allium cepa L.)
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Critical Period of Weed Competition in Onion (Allium cepa L.) in Jordan
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Scheduling weed management practices for improving weed control efficiency and bulb yield in onion
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Evaluation of weeds control methods in form of mechanical and chemical on onion yield
TL;DR: In this paper, the authors conducted a study on weeds control in onion (Allium cepa) in Shabestar county, Iran in form of factorial based on randomized complete block design with three replications.
Determination of Critical Period of Weed Control in Onion Variety Ghermez Azarshahr
TL;DR: In order to determine the effect of weed interference duration on yield of onion (Allium cepa L.) variety of Ghermez Azarshahr, an experiment was carried out based on randomized complete block design with two factors and three replications and indicated that there were significant differences among weeds biomass of weed-infested periods.