Early planting possibility of cotton by sulphurous seed coating and new seed coat solution of Cotton Research Institute of Iran

Document Type : Research Paper

Author

CRI

Abstract

This study was carried out in Golestan- Hashemabad as split plot in a randomized complete block design with three replications in 2011 and 2012.Main plots were Planting date in three levels and sub-plots were seed coating in six levels. Except seed cotton yield, planting date hadn’t significant effect on others yielding factors.Early planting with mean 12.8 boll per plant, on time planting with mean weight of 30bolls 162.9gr, early planting with 1955.5 kg.ha-1mean seed cotton yield, 66.8 gr lint and 41.1% lint was better than other treatments.Interaction effect between planting date and year on all of yield factors non- significant. On time planting in secondth year with mean 18.4 boll per plant and 30 bolls weight,164 gr had better condition.Early planting in secondth year produced highest seed cotton (2845.2 kg.ha-1). On time planting in secondth year produced the most lint weight and percent73.2 gr and 45.7% respectively.Seed coating hadn’t significant effect on yield components except seed cotton.The highest boll per plant (13.4) belonged to sulphur fuzzy seed coated. It can be related to sulphur role in flower fertilizing.Mentioned treatment produced heavier bolls (30 boll weight mean 164.2 gr ).This result can be related to sulphur role in assimilation and carbohydrate allocation.Sulphur delinted seed coating produced the highest yield( 1896.1 kg.ha-1) . The delinted seed that coated with solution had the most lint weight and percent, 66.2 gr and 41.7% respectively.

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References

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Iranian Journal of Cotton Researches
Volume 7, Issue 1 - Serial Number 13
September 2019
Pages 69-82

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