M. Kadri BOZOKALFA, Atnan UGUR, Dursun EŞİYOK, Süleyman KAVAK

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Seed yield, quality and plant characteristics changes of rocket salad (Eruca sativa Mill.) under different nitrogen sources and vegetation periods

Roka eski zamanlardan beri çesitli Avrupa ve Yakın Dogu ülkelerinde gerek dogadan toplanan gerekse kültürü yapılan, yapragı yenen veya yag bitkisi olarak degerlendirilen bir ürün olarak kullanılmaktadır. Rokanın ekonomik potansiyeli son zamanlarda düzenli olarak artmaktadır. Bu arastırmada, 3 farklı tohum ekim zamanının (2002 yılı, Kasım, Ocak ve Mart aylarının 1. günü) ve 3 farklı azot kaynagının bitki boyu, bitki basına yan dal sayısı, bitki basına bakla sayısı, bakla basına tohum sayısı, bakla uzunlugu (cm), bin dane agırlıgı (g), tohum verimi (kg/ha) ve çimlenme oranı üzerine etkileri belirlenmistir. Arastırmadan elde edilen sonuçlar, tohum ekim zamanının; bitki boyu, bitki basına yan dal sayısı, bakla uzunlugu, 1000 dane agırlıgı ve tohum verimi üzerine, farklı azot kaynaklarının ise; bitki basına yan dal sayısı, bitki basına bakla sayısı, bakla basına tohum sayısı ve tohum verimi üzerine istatistiki olarak etkili oldugunu ortaya koymustur. Genel olarak erken tohum ekiminin geç tohum ekimine göre daha yüksek tohum verimi verdigi, kalsiyum nitrat uygulamasının ise, organik gübre ve amonyum sülfat uygulamalarına göre tohum verimini arttırdıgı belirlenmistir. En yüksek tohum verimi, Kasım ayındaki tohum ekiminden (1364,4 kg/ha) ve kalsiyum nitrat uygulamasından (1168,9 kg/ha) elde edilmistir.

Farklı azot kaynakları ve vegetasyon dönemleri Altında Rokanın (Eruca sativa Mill.) tohum verimi, kalite ve bitki özelliklerinin degisimleri

Rocket salad is an ancient, under-utilized crop, which is either gathered from the wild or cultivated mainly as a leaf vegetable and oil crop in several European and Near East countries. The economic potential of rocket salad is steadily increasing in recent years. In this research effects of three sowing dates (1st day of November, January and March, 2002) and three nitrogen sources on plant height, number of branches per plant, number of siliqua per plant, number of seeds per siliqua, siliqua length (cm), 1000 seed weight (g), seed yield (kg/ha), and final germination (%) were determined. Results revealed that sowing dates statistically influenced on plant height, number of branches per plant, siliqua length, 1000 seed weight and seed yield, while nitrogen sources statistically influenced on the number of branches per plant, number of siliqua per plant, number of seeds per siliqua and seed yield. In general early sowings resulted higher seed yields than late sowing and also calcium nitrate application showed a higher seed yield comparable to organic manure and ammonium sulfate treatments. The highest seed yield obtained from November sowing (1364,4 kg/ha) and Calcium nitrate (1168,9 kg/ha) treatment.
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Süleyman Demirel Üniversitesi Ziraat fakültesi Dergisi-Cover
  • ISSN: 1304-9984
  • Yayın Aralığı: Yılda 2 Sayı
  • Yayıncı: Süleyman Demirel Üniversitesi Ziraat Fakültesi
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