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  • Küçük Resim Yok
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    Deficit Irrigation Programs Effects on Yield in Millet (Panicum miliaceum L.) in Thrace Region Conditions
    (2023) İstanbulluoğlu, Ahmet; Başer, İsmet; Moray, Samet
    Millets are indigenous to many parts of the world and are more widely grown, especially in areas where water is limited. The most widely grown millet type is sorghum (Sorghum bicolor L.). A field study was carried out to determine the effect of deficit irrigation regimes on grain yield and seasonal evapotranspiration of proso millet (Panicum miliaceum L.) in the Thrace Region of Turkey. The field trials were conducted on a loam Entisol soil, on Öğretmenoğlu and Beydarı, the most popular varieties in the research area. In the study, the split plots experimental design with three replications was used. Eight different irrigation issues are considered, including combinations of the vegetative (V), flowering (F) and grain formation (Y) phases of the plant (including dry conditions, NoI). Results showed that proso millet was significantly affected by water stress during the sensitive flowering stage. The highest grain yield was obtained with 4.09 t ha-1 from Öğretmenoğlu and 4.03 t ha-1 from Beydarı, which was rinsed (VFY) in all development periods. Seasonal irrigation water use and evapotranspiration of the irrigated (VFY) in all development periods were 318 and 579 mm, respectively, for the non- stressed treatment. The seasonal water yield function was calculated as Y = 0.4087 ET + 144.03, and the seasonal yield-water response factor value was calculated as 0.57'.
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    Tekirdağ koşullarında sorgum-sudan otu (Sorghum bicolor-Sorghum sudanense) su-verim ilişkileri
    (Tekirdağ Namık Kemal Üniversitesi, 2020) Moray, Samet; İstanbulluoğlu, Ahmet
    Sorgum-Sudan otu (Sorghum bicolor-Sorghum sudanence)'nun su-verim ilişkilerinin belirlenmesi amacıyla yapılan bu araştırma 2018-2019 yıllarında Enstitüler deneme alanında (40°59' K - 27°34' D; 20 m) yürütülmüştür. Sorgum Sudan otu melezi tohumu kullanılarak tesadüf parselleri deneme desenine göre üç tekerrürlü planlanan araştırmada, bitki boyları ortalama 95-105 cm'ye ulaştığında biçimi takiben sekiz farklı sulama konusu yer almıştır. Bunlar kimi biçimleri takiben sulanan ve sulanmayan ile tüm biçimleri takiben sulanan ve susuz konular olmuştur. Araştırma sonuçlarına göre en fazla yaş ot verimi, tüm biçimleri takiben sulanan (III) ve ilk iki biçimi takiben sulanan (II0) konulardan sırasıyla 5,03 ve 5,02 t da-1 elde edilmiştir. İlk biçimi takiben sulamanın verim artışında önemli etkisi olmakla birlikte, en yüksek verimi alabilmek için ilk iki biçimi takiben sulamanın yeterli olacağı, tek başına ikinci veya üçüncü biçimi takiben sulamaların verim artışında etkili olmadığı, üçüncü biçimi takiben sulamaya ise gerek olmadığı görülmüştür. Bir tek sulama yapılması gerekiyorsa bunun ilk biçimi takiben yapılması önerilmektedir. Konulardan elde edilen mevsimlik su tüketimi ile yeşil ot verimi arasında 0,01 düzeyinde önemli Y = 5,06 ET + 2043,3 eşitliği ile tanımlanan ilişki bulunmuştur. Yine toplam büyüme mevsimi için, bitki su tüketimi ile yaş ot verimi arasında su-verim ilişkisi faktörü (ky) 0,66 olarak hesaplanmıştır.
  • Küçük Resim
    Öğe
    Water-Yield Relationships of Sorghum-Sudangrass Hybrid (Sorghum bicolour-Sorghum sudanense) in Tekirdag Conditions
    (Univ Namik Kemal, 2022) Moray, Samet; İstanbulluoğlu, Ahmet
    This research was carried in Thrace Region of Turkey (40 degrees 59' K - 2T34' D; 20 m) experiment area in 2018-2019 years in order to determine water-yield relationships of Sorghum-Sudan Grass Hybrid (Sorghum Bicolor-Sorghum Sudanence). In the study, which was planned with three replications according to the trial pattern of random parcels using Sorghum Sudan grass hybrid seed, eight different irrigation treatments were sawed following the form when the plant height reached an average of 95-105 cm. These have been irrigated and rain-fed following some saw and irrigated and rain-fed after all saws. According to the results of the research, the highest yield of green weed, 5.03 and 5.02 t da(-1) were obtained from the treatments irrigated (III) following all the saws and irrigated (ITO) following the first two saws, respectively. Although the irrigation has an important effect on the increase in yield after the first saw, it has been observed that irrigation will be sufficient following the first two saws, the irrigation is not effective in the yield increase after the second or third saw, and there is no need for irrigation after the third saw. If a single irrigation is required, this should be done following the first saw. Treatments RI and 001) that were not irrigated in the second saws period but third saws were irrigated, irrigation applied has not been as it could not reach the harvest size. In the non-irrigated treatment (000) could not reach harvest size in the third saw periods. Under Tekirdag conditions, Sorghum Sudan grass hybrid plant was found to be unsuitable for dry farming. The relationship between seasonal evapotranspiration and green weed yield was statistically significant (p <= 0.01) and it can be defined by equation of Y= 5.06 ET + 2043.3 (r = 0.82**). Again, for the total growing season, the water yield responce factor (ky) between evapotranspiration and green weed yield was calculated as 0.66.