Genetic of flower color and leaf spininess in safflower (Carthamus tinctorius L.)

Yıl 2017, Cilt: 32 Sayı: 2, 244 - 248, 20.06.2017

Sabri Erbaş Hasan Baydar

https://doi.org/10.7161/omuanajas.321085

Öz

Spininess and flower
color are important hereditary characteristics of safflower (Carthamus
tinctorius L.) used in fresh-cut and dried flowers as ornamental plant. In
present study, F1 and F2 generations and their backcross (BC1P1 and BC1P2)
progenies of Dinçer 5-118 (P1, spineless and red flower) and Montola 2000 (P2,
spiny and yellow flower) were analyzed with the aim of determining  the mode of inheritance of spiny and flower
color.. Spininess and color flower of safflower were controlled by single
dominant gene, each of which is independently. The spiny phenotype was
completely dominant to spineless. Also, the red flower phenotype was completely
dominant to yellow flower. All plants in the F1 generation had red flowers and
spiny phenotype. In the segregation F2 generation, individuals were classified
in four group fitting a 9:3:3:1 ratio (red-spiny: red-spineless:
yellow-spiny:yellow-spineless). All plants in the BC1P1 generation had red
flower, but segregated into a 1:1 ratio for spiny and spineless. On the other
hand, all of BC1P1 population had spiny,but segregated into a 1:1 ratio for red
and yellow color of flower.

Anahtar Kelimeler

Safflower, Leaf spininess, Flower color, Inheritance

Aspir (Carthamus tinctorius L.)’de yaprak dikenliliği ve çiçek renginin genetiği

Öz

Çiçek rengi ve dikensizlik
özellikleri süs bitkisi olarak kuru ve taze kesme çiçekçilikte kullanılan Aspir
(Carthamus tinctorius L.) için önemli kalıtsal karakterlerdir. Bu araştırmada,
çiçek rengi ve dikenlilik karakterlerinin kalıtımını belirlemek amacıyla, her
iki karakter bakımından farklı olan Dinçer 5-118 (P1, dikensiz ve kırmızı
çiçekli) ve Montola 2000 (P2, dikenli ve sarı çiçekli) çeşitlerinin F1 ve F2
generasyonları ile geri melez populasyonları (BC1P1 ve BC1P2) analiz
edilmiştir. Elde edilen veriler, her iki karakterin de birbirlerinden bağımsız
olarak monogenik kalıtım gösterdiğini, dikenliliğin dikensizlik üzerine ve
kırmızı çiçek renkliliğinin sarı çiçek renkliliği üzerine baskın olduğunu
göstermiştir. F1 generasyonunun tamamı kırmızı çiçekli ve dikenli fenotipe
sahip iken, F2 generasyonunda 9:3:3:1 oranına uygun dört farklı fenotip
(kırmızı-dikenli:kırmızı-dikensiz : sarı-dikenli : sarı-dikensiz) elde
edilmiştir. BC1P1 generasyonunda bütün bitkiler kırmızı çiçekli, ancak
dikenlilik için 1:1 açılımına uygun, BC1P2 döllerinde ise bütün bitkiler
dikenli, ancak çiçek rengi için 1:1 açılımına uygun olduğu belirlenmiştir.

Anahtar Kelimeler

Aspir, Carthamus tinctorius, Çiçek rengi, Kalıtım

Kaynakça

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