The Influence of Phosphate Treatment on Chromosome Segregations and Tetrad Regularity and Using Tetrads in Determination of Regular Meiosis Diploid ...

Bilal DENİZ; Ayten TUFAN

Makale detayları

The Influence of Phosphate Treatment on Chromosome Segregations and Tetrad Regularity and Using Tetrads in Determination of Regular Meiosis Diploid ...

Yazarlar:

Bilal DENİZ | Ayten TUFAN

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Agriculture and Forestry 1998 Vol.22 Issue 4, pp.381-390

Belge Tipi:

Makale

Yayın Tarihi:

3/1998

Belge Dili:

Türkçe

Document ID (Org No.):

2000810583

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 chromosome segregaiton at the first anaphase (AI) and tetrad regularity in plants of diploid Senu variety of  meadow fescue ( Festuca pratensisHuds.) and its artificial autotetraploid were studied. In addition, the relationship was determined  between balanced AI segregations and regular tetrads with respect to regular meiosis.  AI segregations were often balanced in eutetraploids but the frequency of balanced groups was found to be lower than that of the  diploids. The difference between diploid and eutetraploid in terms of the frequencies of balanced cells and the frequency of cells with  laggards at AI was found to be significant. The frequencies of cells with different AI segregations showed no difference under various  phosphate treatments in the two ploidy levels.  The number of micronuclei per tetrad (M/Q) was higher in eutetraploids than that of diploids whereas the percentage of regular  tetrads was lower in the formers. The differences were significant between diploids and eutetraploids in terms of these two  characteristics. On the other hand, the difference was significant between the phosphate treatments in terms of the percentage of  regular tetrads in diploids and eutetraploids.  In both diploids and eutetraploids, there was positive and significant correlation between the frequency of balanced AI cells and the  percentage of regular tetrads whereas negative and highly significant relationship between the former and M/Q was noted.

 

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 chromosome segregaiton at the first anaphase (AI) and tetrad regularity in plants of diploid Senu variety of  meadow fescue ( Festuca pratensisHuds.) and its artificial autotetraploid were studied. In addition, the relationship was determined  between balanced AI segregations and regular tetrads with respect to regular meiosis.  AI segregations were often balanced in eutetraploids but the frequency of balanced groups was found to be lower than that of the  diploids. The difference between diploid and eutetraploid in terms of the frequencies of balanced cells and the frequency of cells with  laggards at AI was found to be significant. The frequencies of cells with different AI segregations showed no difference under various  phosphate treatments in the two ploidy levels.  The number of micronuclei per tetrad (M/Q) was higher in eutetraploids than that of diploids whereas the percentage of regular  tetrads was lower in the formers. The differences were significant between diploids and eutetraploids in terms of these two  characteristics. On the other hand, the difference was significant between the phosphate treatments in terms of the percentage of  regular tetrads in diploids and eutetraploids.  In both diploids and eutetraploids, there was positive and significant correlation between the frequency of balanced AI cells and the  percentage of regular tetrads whereas negative and highly significant relationship between the former and M/Q was noted.

Makale detayları

The Influence of Phosphate Treatment on Chromosome Segregations and Tetrad Regularity and Using Tetrads in Determination of Regular Meiosis Diploid ...

Yazarlar:

Bilal DENİZ | Ayten TUFAN

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Agriculture and Forestry 1998 Vol.22 Issue 4, pp.381-390

Belge Tipi:

Makale

Yayın Tarihi:

3/1998

Belge Dili:

Türkçe

Document ID (Org No.):

2000810583

Sıklık:

İki Aylık

eISSN:

1303-6173

pISSN:

1300-011X

Turk. J. Agric. For.

22

(1998)

381-390. Full text: pdf Other articles published in the same issue: Turk. J. Agric. For.

vol.22

iss.4.

Sayı

Makale detayları

The Influence of Phosphate Treatment on Chromosome Segregations and Tetrad Regularity and Using Tetrads in Determination of Regular Meiosis Diploid ...

Yazarlar: Bilal DENİZ | Ayten TUFAN

Yayıncı: TUBITAK

Dergi: Turkish Journal of Agriculture and Forestry 1998 Vol.22 Issue 4, pp.381-390

Belge Tipi: Makale

Yayın Tarihi: 3/1998

Belge Dili: Türkçe

Document ID (Org No.): 2000810583

Sıklık: İki Aylık

eISSN: 1303-6173

pISSN: 1300-011X

Turk. J. Agric. For.

22

(1998)

381-390. 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.381-390

Belge Tipi:

Makale

Yayın Tarihi:

3/1998

Belge Dili:

Türkçe

Document ID (Org No.):

2000810583

Sıklık:

İki Aylık

eISSN:

1303-6173

pISSN:

1300-011X