Lahana kist nematodu Heterodera cruciferae Franklin, 1945 (Tylenchida: Heteroderidae)âye Brassicaceae bitkilerinin dayanıklılık seviyelerinin araştırılması

Lahana kist nematodu, Samsun’un lahana yetiştirilen alanlarındaki en yaygın zararlılardan biri olmasına rağmen lahana çeşitlerinin dayanıklılığı ile ilgili bir bilgi mevcut değildir. Bu nedenle, lahana çeşitlerinin Heterodera cruciferae Franklin, 1945 (Tylenchida: Heteroderidae)’ye dayanıklılık seviyelerinin değerlendirilmesi ile ıslah programlarında dayanıklılık kaynağı olarak kullanılabilme potansiyelinin belirlenmesi amaçlanmıştır. Otuz lahana genotipi kontrollü seralarda testlenmiştir. Değerlendirilen genotipler arasından 3’ü hassas, 11’i kısmen hassas, 9’u dayanıklı ve 7’si yüksek oranda dayanıklı olarak tespit edilmiştir. Dayanıklılığın en yüksek olduğu beyaz baş lahana çeşitlerinin 7 tanesi yüksek dayanıklı, 5 tanesi ise dayanıklı olarak bulunmustur. Yaprak lahanaların % 40’ı dayanıklı, % 60’ı ise kısmen hassas iken, Çin lahanası ve Brüksel lahanası kısmen hassas olarak belirlenmiştir

Anahtar Kelimeler:

Heterodera cruciferae, lahana, dayanıklılık

Screening resistance level of Brassicaceae plants to cabbage cyst nematode, Heterodera cruciferae Franklin, 1945 (Tylenchida: Heteroderidae)

Although cabbage cyst nematode is one of the most common pests in the cabbage growing areas of Samsun, there were no records related to resistance of cabbages. The aim of this research was to screen cabbage cultivars resistance level for their potential to be included in breeding programs for resistance against Heterodera cruciferae. Franklin, 1945 (Tylenchida: Heteroderidae) Thirty cabbage cultivars were tested in controlled greenhouse trials and 3 cultivars were determined susceptible, 11 cultivars were partially susceptible, 9 cultivars were resistant and 7 cultivars were highly resistant. White head cabbage cultivars were the most resistant; 7 of them were highly resistant and 5 of them were resistant. Forty % of kale were resistant and 60% were partially susceptible. Chinese cabbage and Brussels sprouts were all classified as partially susceptible.

Keywords:

Heterodera cruciferae, cabbage, resistance,

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