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3
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8
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1
Bu çalışma Diyarbakır koşullarında, 2016-2017 yıllarında, farklı damla sulama sistemleri ve farklı sulama suyu düzeyleri kullanılarak pamuk bitkisinde lif verimi, verim öğeleri ve lif kalite özelliklerinin belirlenmesi amacıyla yapılmıştır. Tesadüf bloklarında bölünmüş parseller deneme desenine göre 3 tekrarlamalı olarak kurulan denemede ana konuları farklı damla sulama yöntemleri (I1: Yüzey damla (YD), I2: Yüzeyaltı damla 30 cm (YAD), I3: Yüzeyaltı damla 40 cm) alt konuları ise farklı sulama suyu düzeyleri (K1: 1.25 × ETc (bitki su tüketimi), K2: 1.00 × ETc, K3: 0.75 × ETc) oluşturmuştur. Sulama aralığı 5 gün olarak uygulanmıştır. Lif verimleri 2016 yılında konulara bağlı olarak 1108–1734 kg ha-1 arasında, 2017 yılında ise 1117–2457 kg ha-1 arasında değişmiştir. En yüksek lif verimleri her iki deneme yılında da I3K1 konusundan elde edilmiş olup, ortalama 2085 kg ha-1’dır. Bütün damla sulama sistemlerinde sulama suyu arttıkça lif verimi de artmıştır. Benzer şekilde artan sulama suyu ve YD’dan YAD’a doğru gittikçe bitki boyunda artış sağlanmış olup en yüksek değer (85.6 cm) I3K1 konusundan elde edilmiştir. En yüksek çırçır randımanı değeri ise I3K1 konusundan (% 47.4) elde edilmiştir. Genelde su stresinin artması silkme oranını arttırmıştır. Sulama suyu miktarı arttıkça lif kopma uzaması ve olgunluk indeksi de artmıştır. Farklı damla sulama sistemleri de lif kopma dayanıklılığını artırmıştır. Diğer lif kalite parametreleri arasındaki farklılıklar istatistiksel olarak önemli bulunmamıştır. Lif verimi ve diğer özellikler bakımından en iyi sonuç I3K1 konusundan elde edilmiş olmasına karşın, optimum su kullanımı göz önüne alındığında bitki su tüketiminin tam olarak verildiği ve 40 cm (YAD) derinliğe gömülü sulama sistemi olan I3K2 konusu önerilmiştir.
This study was conducted in Diyarbakır conditions, in the years 2016-2017, with the aim of determining the fiber productivity, productivity items and fiber quality characteristics in cotton plants using different drops irrigation systems and different irrigation levels. According to the trial pattern of the parcel split in random blocks, the main subjects of the trial established 3 repeatedly were different dropling methods (I1: surface dropling (YD), I2: sub- surface dropling 30 cm (YAD), I3: sub- surface dropling 40 cm) and the subjects of the trial were different water levels (K1: 1.25 × ETc (plants water consumption), K2: 1.00 × ETc, K3: 0.75 × ETc). The moisture interval is 5 days. The elevator yields varied between 1108-1734 kg ha-1 in 2016 depending on the topics, and 1117-2457 kg ha-1 in 2017. The highest fiber output was obtained from the I3K1 subject in both trial years, with an average of 2085 kg ha-1. As the water supply increases in all drops, the fiber production is also increased. Similarly, increasing water and increasing plant length from YD to YAD have been achieved and the highest value (85.6 cm) has been obtained from the I3K1 subject. The highest score is from the I3K1 subject (47.4 percent). Usually the increase in water stress increases the rate of sickness. As the amount of irrigation water increased, the extension of the fiber breakdown and the maturity index also increased. Different drops irrigation systems have also increased the resistance to fiber breakdown. The differences between other fiber quality parameters have not been statistically significant. Although the best outcome in terms of lift efficiency and other features was obtained from the I3K1 subject, the I3K2 subject was recommended, which, taking into account the optimal water use, the plant water consumption was given in full and is a 40 cm (YAD) depth-depleted irrigation system.
This study was carried out to determine the effects of drip irrigation systems and different amount of irrigation water on cotton lint yield, yield components and fiber quality in 2016-2017 years. The experiment was designed according to the split-plots with three replications. The main plots contained I1: Surface drip irrigation, I2: Subsurface drip irrigation (30 cm), I3: Subsurface drip irrigation (40 cm). Sub-plots are K1: I= ETc × 1.25, K2: I= ETc × 1.0 ve K3: I= ETc × 0.75, and irrigation interval was 5 days. Lint yields varied between 1108-1734 kg ha-1 for 2016 and 1117-2457 kg ha-1 for 2017 depending on the treatments. The maximum lint yield (2085 kg ha-1) was obtained from the treatment of I3K1 in both experimental years. Lint yield increased depending on increasing amount of irrigation water. The plant maximum height (85.6 cm) and the highest ginning yield (47.4%). were obtained from the same treatment (I3K1). In general, increasing water stress increased the shedding rate. Different amounts of irrigation water increased the fiber elongation and maturity index. Different drip irrigation systems have also affected fiber strength, and the maximum values were obtained from the subsurface drip irrigation. There were no any statistically effects of different drip irrigation systems on other fiber quality parameters. Considering the optimum water use and the treatment (I3K2) in which crop water requirement was supplied consummately, the subsurface drip irrigation with depth of 40 cm has been recommended.
Alan : Ziraat, Orman ve Su Ürünleri
Dergi Türü : Ulusal
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