The Effects of Phosphate Treatments on Chromosome Pairing in Diploid and Autotetraploid Meadow Fescue ( Festuca pratensisHuds.)

Bilal DENİZ; Ayten TUFAN

Makale detayları

The Effects of Phosphate Treatments on Chromosome Pairing in Diploid and Autotetraploid Meadow Fescue ( Festuca pratensisHuds.)

Yazarlar:

Bilal DENİZ | Ayten TUFAN

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Agriculture and Forestry 1998 Vol.22 Issue 4, pp.349-356

Belge Tipi:

Makale

Yayın Tarihi:

3/1998

Belge Dili:

Türkçe

Document ID (Org No.):

2000810571

Sıklık:

İki Aylık

eISSN:

1303-6173

pISSN:

1300-011X

Anahtar kelimeler:

Özet:

 

This study was carried out under greenhouse conditions in 1994-1995. The influence of phosphate treatments (0, 1, 2,  3 and 4g P 2 O 5 /pot) on meiotic chromosome pairing and the number of arms bound at the first metaphase (MI) in plants of diploid  Senu variety of meaddow fescue ( Festuca pratensis Huds.) and its advanced generation (C 6 ) autotetraploid (Tetra Senu) were  studied.  In diploids, quadrivalents and univalents frequencies showed no difference with changes in phosphate treatments. Total bivalent  frequency per cell remained stable with phosphate changes in spite of a significant increase in the number of arms bound. With  phosphate effect, however, a reduction in rod bivalent frequency and a parellel increase in ring bivalent frequency were observed.  On the other hand, negative and significant correlation was found between ring bivalent frequency and univalent and quadrivalent  frequencies whereas positive and significant correlation was found between the last two properties.  There was significant difference in ring bivalent frequency per cell between phosphate treatments in autotetraploids. In addition,  positive and significant correlation was found between ring bivalent frequency and the number of arms bound whereas negative and  insignificant association was found between the latter and quadrivalent frequency. Therefore, negative and significant correlation  was found between ring bivalent frequency and quadrivalent frequency.

 

This study was carried out under greenhouse conditions in 1994-1995. The influence of phosphate treatments (0, 1, 2,  3 and 4g P 2 O 5 /pot) on meiotic chromosome pairing and the number of arms bound at the first metaphase (MI) in plants of diploid  Senu variety of meaddow fescue ( Festuca pratensis Huds.) and its advanced generation (C 6 ) autotetraploid (Tetra Senu) were  studied.  In diploids, quadrivalents and univalents frequencies showed no difference with changes in phosphate treatments. Total bivalent  frequency per cell remained stable with phosphate changes in spite of a significant increase in the number of arms bound. With  phosphate effect, however, a reduction in rod bivalent frequency and a parellel increase in ring bivalent frequency were observed.  On the other hand, negative and significant correlation was found between ring bivalent frequency and univalent and quadrivalent  frequencies whereas positive and significant correlation was found between the last two properties.  There was significant difference in ring bivalent frequency per cell between phosphate treatments in autotetraploids. In addition,  positive and significant correlation was found between ring bivalent frequency and the number of arms bound whereas negative and  insignificant association was found between the latter and quadrivalent frequency. Therefore, negative and significant correlation  was found between ring bivalent frequency and quadrivalent frequency.

Makale detayları

The Effects of Phosphate Treatments on Chromosome Pairing in Diploid and Autotetraploid Meadow Fescue ( Festuca pratensisHuds.)

Yazarlar:

Bilal DENİZ | Ayten TUFAN

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Agriculture and Forestry 1998 Vol.22 Issue 4, pp.349-356

Belge Tipi:

Makale

Yayın Tarihi:

3/1998

Belge Dili:

Türkçe

Document ID (Org No.):

2000810571

Sıklık:

İki Aylık

eISSN:

1303-6173

pISSN:

1300-011X

Turk. J. Agric. For.

22

(1998)

349-356. Full text: pdf Other articles published in the same issue: Turk. J. Agric. For.

vol.22

iss.4.

Sayı

Makale detayları

The Effects of Phosphate Treatments on Chromosome Pairing in Diploid and Autotetraploid Meadow Fescue ( Festuca pratensisHuds.)

Yazarlar: Bilal DENİZ | Ayten TUFAN

Yayıncı: TUBITAK

Dergi: Turkish Journal of Agriculture and Forestry 1998 Vol.22 Issue 4, pp.349-356

Belge Tipi: Makale

Yayın Tarihi: 3/1998

Belge Dili: Türkçe

Document ID (Org No.): 2000810571

Sıklık: İki Aylık

eISSN: 1303-6173

pISSN: 1300-011X

Turk. J. Agric. For.

22

(1998)

349-356. Full text: pdf Other articles published in the same issue: Turk. J. Agric. For.

vol.22

iss.4.

Sayı

Yazarlar:

Bilal DENİZ | Ayten TUFAN

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Agriculture and Forestry 1998 Vol.22 Issue 4, pp.349-356

Belge Tipi:

Makale

Yayın Tarihi:

3/1998

Belge Dili:

Türkçe

Document ID (Org No.):

2000810571

Sıklık:

İki Aylık

eISSN:

1303-6173

pISSN:

1300-011X