Apyrus ve Othello Herbisitler ile Ebegümeci Yabancıotun Kontrolünden Etkilenen Buğdayın Verim ve Verim Bileşenleri

Bu çalışma, Apyrus ve Othello herbisitlerinin çeşitli konsantrasyonlarının yaygın ebegümeci otu kontrolü üzerindeki etkisini ve bunların buğdayın verimi üzerindeki olası olumsuz etkilerini ortaya koymak amacıyla 2017-18 yıllarında İran, Ahwaz'da yürütülmüştür. Othello’da 1.25, 1.5 ve 1.75 L/ha ve Apyrus’da 24.6, 26.6 ve 30.6 g/ha'da konsantrasyonlarında uygulamalar yapıldı. Herbisit uygulamalarının, püskürtmeden sonra (uygulamadan 15 ve 30 gün sonra) yaygın ebegümeci ot yoğunluğunu ve kuru ağırlığı önemli ölçüde azalttığını göstermiştir. Yaygın ebegümeci ot yoğunluğunu ve kuru ağırlığı azaltmada en iyi sonuçlar Apyrus'ta 30.6, 26.6 g/ha ve Othello'da 1.75 ve 1.5 L/ha'da belirlenmiştir. Ayrıca buğday bitki boyu, bitki başına başak sayısı, başaktaki tane sayısı, 1000 tane ağırlığı, biyolojik verim ve tane verimi üzerine uygulamaların etkisinin önemli olduğu saptanmıştır. En yüksek tane verimi (4359 kg/da) yabancı otsuz mücadeleden elde edilirken herbisit uygulamalarında ise aralarında istatistiksel olarak fark olmamakla birlikte en yüksek tane verimi (3981 kg/da) 1,75 L/da ile Othello’dan ardından da 26,6 g/ha ile Apyrus’tan elde edilmiştir. Bu nedenle, buğday tarlalarındaki geniş yapraklı ebegümeci otunu kontrol etmek için Apyrus’un daha düşük bir dozunun (26.6 g/ha doz) kullanılabileceği belirtilmiştir. Ayrıca buğday tarlalarındaki yaygın ebegümeci otunu kontrol etmek için Othello’nun 1,75 L/ha dozunun daha kabul edilebilir bir uygulama oranı olduğu vurgulanmıştır.

Anahtar Kelimeler:

Mesosülfuron Metil, Iodosulfuron Metil Sodyum, Dipofenichen, Sulfosulfuron, buğday tane verimi, Ebegümeci ot kontrolü

Yield and Yield Components of Wheat As Affected By Weed Control of Common Mallow with Apyrus and Othello Herbicides

This study was conducted to investigate the effect of various concentrations of Apyrus and Othello herbicides on the common mallow weed control and their possible negative effect on wheat yield in 2017-18 in Ahwaz, Iran. The treatments were Othello at concentrations of 1.25, 1.5, and 1.75 L/ha and Apyrus at 24.6, 26.6, and 30.6 g/ha. Results showed that herbicide treatments significantly reduced common mallow weed density and dry weight after spraying (15 and 30 days after application). Best results in reducing the common mallow weed density and dry weight were recorded in 30.6, 26.6 g/ha of Apyrus, and 1.75 and 1.5 L/ha of Othello. The effect of treatments was also significant on wheat plant height, spike number per plant, grain number per spike, 1000-grain weight, biological yield, and grain yield. The highest wheat grain yield (4359 kg/ha) was obtained in no-weed control, and among the herbicide treatments, the highest wheat grain yield (3981 kg/ha) was obtained by 1.75 L/ha of Othello, followed by 26.6 g/ha of Apyrus; while, these yields were not significantly different. Therefore, to control the broadleaf common mallow weed in wheat fields by using Apyrus herbicide, a lower dose of this herbicide (dose of 26.6 g/ha) could be used. Also 1.75 L/ha is a more acceptable application rate for Othello herbicide to control the common mallow weed in wheat fields.

Keywords:

Mesosulfuron Methyl, Iodosulfuron Methyl Sodium, Dipofenichen, Sulfosulfuron, wheat grain yield, Mallow weed control,

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