Effects of Different Sowing Times and Phosphorus Application on Yield and Quality of Camelina (Camelina sativa L. Crantz)

Abstract

This study was carried out for determination effects of sowing time and phosphorus applications on several yield and quality components of Camelina sativa (L.) Crantz during 2014-2015 years in Van/Turkey ecological conditions. The factorial experiment was designed based on split plot with two factors including (A) sowing times (7-10 April, 22-25 April and 7-10 May) and (B) phosphorus fertilization (0, 40 and 80 kg ha^-1 P₂O₅) in three replicates. Several yield and quality parameters such as plant height, first capsule height, number of branches, number of capsules, number of seeds in each capsule, thousand seed weight, seed yield, oil content as well as  yield were measured. Results showed that sowing times had significant effects on all parameters except for seed numbers per capsule and oil contents (P<0.05). The most values for first capsule height (28.86 cm) and thousand seeds weight (0.94 gr) observed at 7-10 April sowing time, while the highest amounts of number of branches (12.48 branch plant^-1), number of capsule (130.33 capsule plant^-1), seed yield (1128.6 kg ha^-1) and oil yield (328.0 kg ha^-1) were obtained at 22-25 April and 7-10 May. On the other hand, the effects of phosphorus application was statistically significant (P<0.05) on first capsule height, number of branches, number of capsules and thousand seeds weight. The most value for first capsule height (28.56 cm) was determined using 40 kg ha^-1 P₂O₅ application, while the highest number of branches (12.41 branch plant^-1), number of capsules (142.85 capsule plant^-1) andthousand seeds weight (0.95 gr) were observed by using 80 kg ha^-1 P₂O₅.

Keywords

• Camelina sativa L.,Phosphorus application,Sowing times,Yield

Ketencik (Camelina sativa L. Crantz) Bitkisinin Verim ve Kalitesi Üzerine Farklı Ekim Zamanları ve Fosfor Uygulamalarının Etkileri

Öz

Bu çalışma, Camelina sativa (L.) Crantz’ nın bazı verim ve kalite özellikleri üzerine ekim zamanı ve fosfor uygulamalarının etkilerini belirlemek amacıyla Van ekolojik koşullarında 2014-2015 yıllarında yürütülmüştür. Deneme, Bölünmüş Parseller Deneme Deseni’ ne göre faktöriyel düzende 3 tekrarlamalı olarak kurulmuştur. Deneme faktörleri, (A) ekim zamanları (7-10 Nisan, 22-25 Nisan ve 7-10 Mayıs) ve (B) fosfor dozları (0, 40 ve 80 kg/ha P₂O₅). Bu çalışmada, bitki boyu, ilk kapsül yüksekliği, dal sayısı, kapsül sayısı, kapsülde tohum sayısı, bin tohum ağırlığı, tohum verimi, yağ oranı ve yağ verimi gibi özellikler incelenmiştir. Sonuçlar, ekim zamanlarının kapsülde tohum sayısı ve yağ oranı (P<0.05) hariç diğer incelenen tüm parametreler üzerindeki etkisinin istatistiksel olarak önemli bulunduğunu göstermiştir. İlk kapsül yüksekliği (28.86 cm) ve bin tohum ağırlığı (0.94 g) gibi özelliklerde en yüksek değerler 7-10 Nisan ekim zamanından elde edilirken, en yüksek dal sayısı (12.48 adet), kapsül sayısı (130.33 adet), tohum verimi (1128.6 kg/ha) ve yağ verimi (328.0 kg/ha) 22-25 Nisan ve 7-10 Mayıs ekim zamanlarından elde edilmiştir. Diğer taraftan, ilk kapsül yüksekliği, dal sayısı, kapsül sayısı ve bin tane ağırlığı üzerinde fosfor uygulamalarının etkisi istatistiksel olarak önemli (P<0.05) bulunmuştur. En yüksek ilk kapsül yüksekliği (28.56 cm) 40 kg/ha P₂O₅ dozundan elde edilirken, en yüksek dal sayısı (12.41 adet), kapsül sayısı (142.85 adet) ve bin tohum ağırlığı (0.95 g) 80 kg/ha P₂O₅ dozunun kullanılmasıyla elde edilmiştir.

Anahtar Kelimeler

• Camelina sativa L.,Fosfor dozları,Ekim zamanı,Verim

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