Effect of different ethephon doses on grain yield and yield components of in barley (Hordeum vulgare L.)

Yıl 2020, Cilt: 37 Sayı: 3, 141 - 151, 31.12.2020

Arzu Mutlu Abdullah Oktem

https://doi.org/10.13002/jafag4697

Öz

This study was carried out under supplementary irrigated conditions in the Harran Plain in 2008-2009 and 2009-2010 growing seasons. The study aimed to assess the effects of various ethephon doses on durum wheat and barley cultivars. Nine ethephon dosages (0, 240 g/ha, 360 g/ha, 480 g/ha, 600 g/ha, 720 g/ha, 840 g/ha, 960 g/ha, 1080 g/ha) were applied in the study. The results of the combined analysis of two years indicated that the highest grain yield was recorded for Sur-93 cultivar with 4365.63 kg/ha in 600 g/ha ethephon application, while the lowest grain yield of barley was obtained from land race black barley with 1978.00 kg/ha (in control application). The result revealed that ethephon had positive effect on to grain yield. There was not any statistical significants between 960 g/ha and 1080 g/ha ethephone doses in terms of grain yields for land race black barley cultivar. When the years and barley cultivars is evaluated together, the highest grain yield is obtained with 960 g/ha dose of ethephon. Results showed that ethephon application to barley shortened plant height and increased 37-46% of barley yield, and the effects of ethephone varied were connected to cultivar specific. In addition Sur-93 600 g/ha, and a land race black barley cultivar 960 g/ha could be recommended.

Anahtar Kelimeler

Barley, ethephon, yield, quality, lodging

Kaynakça

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