Effect of Planting Date on the Yield of Potato Cultivars in Chaypareh Region
Subject Areas : crop production
1 - - دانش آموخته كارشناسي ارشد گروه زراعت، واحد خوي، دانشگاه آزاد اسلامي، خوي – ايران.
Keywords: planting date - potato - variety - yield,
Abstract :
In order to evaluate the effects of planting date and variety on the yield and yield components of potato, an experiment was conducted in Chaypareh region of Khoy in 2008. It was used in factorial experiment based on randomized complete block design with three replications and two factors; the first one , planting date in four levels ( March 5th , April5th , May 5th, and June 5th ); and the second variety in three levels ( Marfona , Agria , and Moren ) were considered. The results showed that the effects of planting date and variety on plant height, number of leaves and branches per plant, number of tuber per plant and their sizes were significant. The maximum tuber yield ( 33.13 ton/ha ) was obtained from planting date of March 5th with Moren variety and Marfona ( 33.13 ton/ha ) with planting date April5th, did not have significant difference. Therefore, Moren Variety due to long growing season and high costs are not suitable , on the other hand, Marfona variety with planting date in April 5th is recommended for Chaypareh region of Khoy.
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