Arzu AĞIRMATLIOĞLU MUTLU, Abdullah ÖKTEM

Farklı dozlarda uygulanan ethephon’un makarnalık buğday’ın (Triticum durum L.) bitki boyu, yatıklık değeri ve tane verimi üzerine etkisi

Bu çalışma, 2008-2009 ve 2009-2010 yetiştirme sezonlarında Harran Ovası ilave sulanan koşullarda yürütülmüştür. Bu çalışma ile farklı dozlardaki ethephon uygulamalarının makarnalık buğday çeşitleri üzerine etkisini belirlemek amaçlanmıştır. Araştırmada Aydın-93 ve Alibaba buğday çeşitleri kullanılmıştır. Araştırma bölünmüş parseller deneme deseninde 4 tekerrürlü olarak yürütülmüştür. Denemede 9 ethephon dozu (0, 240 g ha-1, 360 g ha-1, 480 g ha-1, 600 g ha-1, 720 g ha-1, 840 g ha-1, 960 g ha-1, 1080 g ha-1) uygulanmıştır. İki yılın birleşik analiz sonuçlarına göre; ethephon uygulamalarıyla birlikte buğday çeşitlerinde bitki boyu kısalmış, yatma azalmış, tane verimi ise artmıştır. Kontrol uygulamasında Aydın-93 çeşidinde tane verimi 417.5 kg da-1 iken, 960 g ha-1 ethephon uygulamasında 620.0 kg da-1a yükselmiştir. Alibaba buğday çeşidinde ise tane verimi kontrol uygulamasında 309.9 kg da-1 iken 720 g ha-1 ethephon uygulamasında 537.8 kg da-1a yükselmiştir. Aydın-93 çeşidinde 960 g ha-1 ethephon uygulamasının, Alibaba çeşidinde ise 720 g ha-1 ethephon uygulamasının en uygun uygulamalar olduğu belirlenmiştir.

Anahtar Kelimeler:

Buğday, Ethephon, Bitki boyu, Yatma, Tane verimi

Effect of different ethephon doses to plant height, lodging and grain yield of durum wheat (Triticum durum L.)

This study was carried out under supplementary irrigated conditions in the Harran Plain conditions in 2008-2009 and 2009-2010 growing seasons. The study was aimed to determine the effects of various ethephon doses on durum wheat varieties. Aydın-93 and Alibaba wheat cultivars were used as a crop material. Experimental design was split plots with 4 replicates. Nine ethephon dosages (0, 240 g ha-1, 360 g ha-1, 480 g ha-1, 600 g ha-1, 720 g ha-1, 840 g ha-1, 960 g ha-1, 1080 g ha-1) were applied in the study. According to the results of the two-year combined analysis, plant height and lodging decreased but grain yield increased with increasing dosages of ethephon. The grain yield in Aydın-93 was 620 kg da-1 at 960 g ha-1 application of ethephon while that of control application was 417.5 kg da-1. The grain yield in Alibaba durum wheat cultivar was 537.8 kg da-1 at 720 g ha-1 application of ethephon while that of control application was 309.92 kg da-1. The highest grain yield was found at 960 g ha-1 ethephon application in Aydın-93 variety whereas at 720 g ha-1 ethephon application in Alibaba variety. Ethephon dosage of 960 g ha-1 for Aydın-93 and 720 g ha-1 ethephon dosage for Alibaba were determined as economical doses.

Keywords:

Wheat, Ethephon, Plant height, Lodging, Grain yield,

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