Studying the impact of selenium spraying and drought tension on some traits of corn Ns 640 cultivar

Subject Areas : crop production

فاطمه طاهري ¹ (دانش آموخته كارشناسي ارشد گروه زراعت كشاورزي، دانشگاه اروميه – ايران)

Received: 2014-07-27 Accepted : 2015-01-15 Published : 2014-07-17

Keywords: drought tension – corn – selenium – spraying,

Abstract :

To study the impact of selenium spraying and drought tension on some traits of corn Ns 640 cultivar, an experiment was carried out in split plot with complete random blocks in three replications in research farm of agricultural college of Urmia university in 1392. The experimental treatments included four levels of selenium spraying ( control, % 162, % 243, and % 324 g per litre ); as the secondary factor and the irrigation treatments in three levels ( 80, 60, and 40 percent of farming capacity ); as the main factor. The results showed that the traits of the stalk height, 1000-seed weight, protein percentage, chlorophyll a and b, seed yield and the rate of selenium of seed were under the significant selenium and irrigation treatments. The biologic yield was under the impact of selenium but the irrigation treatment didn't have meaningful effect on this trait. The highest stalk height ( 246cm ), protein percentage ( %12.31 ), seed yield ( 14678.8 kg/h ) were obtained respectively from irrigation treatments in %80, %60, and %80 of farming capacity. Selenium spraying and selenium treatment with %243g concentration per litre had the highest amount of the mentioned traits.

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