Analysis of somatic chromosome numbers in doubled haploid lines of hexaploid Triticale [xTriticosecale Witt.]

• Autorzy: Sobieszczanska A.
• Języki publikacji: EN

Abstrakty

EN

Somatic chromosome number was investigated in twenty doubled haploid (DH) lines derived from anther culture of two triticale cultivars. Nine lines have 42 chromosomes, the rest ranging from 39 to 43. The majority of aberrants (90%) are hypoaneuploids (2n = 39 to 41), but within the KR424 line both hypo- (2n = 39 to 41) and hyperaneuploid (2n = 43) chromosome numbers were identified. The observed frequency of seedlings with aneuploid chromosome numbers within several unstable lines varied from 4% to 31.2%.

Słowa kluczowe

EN

tissue culture; cytological analysis; chromosome number; doubled haploid; triticale; Triticosecale; breeding programme; anther culture; morphogenesis; hexaploid; androgenic culture; mitotic disturbance; treatment; genotype; meiotic disturbance; colchicine; homozygous plant

• Wydawca: -
• Czasopismo: Acta Biologica Cracoviensia. Series Botanica
• Rocznik: 2000
• Tom: 42
• Numer: 1
• Opis fizyczny: p.109-114,fig.

Twórcy

autor

Sobieszczanska A.

• Agricultural University, Lobzowska 24, 31-140 Krakow, Poland

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