Potential of a tetraploid line as female parent for developing yellow- andred-fleshed seedless watermelon

Pradeepkumar THAYYIL; Sujatha REMANI; Gopalakrishnan Thattamparambil RAMAN

Makale detayları

Potential of a tetraploid line as female parent for developing yellow- andred-fleshed seedless watermelon

Yazarlar:

Pradeepkumar THAYYIL | Sujatha REMANI | Gopalakrishnan Thattamparambil RAMAN

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Agriculture and Forestry 2016 Vol.40 Issue 1, pp.75-82

Belge Tipi:

Makale

Yayın Tarihi:

2/2016

Belge Dili:

Türkçe

Document ID (Org No.):

2000806885

Sıklık:

İki Aylık

eISSN:

1303-6173

pISSN:

1300-011X

Özet:

 

A tetraploid inbred line KAU-TETRA-CL-1 was developed in the watermelon cultivar Sugar Baby through treatment of seedling shoot tips with colchicine solution (0.5%) followed by selection for increased fertility in the C2, C3, C4, and C5 generations. Chloroplast count and guard cell measurement in successive generations of tetraploids were employed as criteria for detecting higher ploidy level and tetraploidy was confirmed by flow cytometry in the C5 generation. A distinct difference was observed in the stomata of diploid Sugar Baby (length: 20.52 ± 1.4 μm; diameter: 15.86 ± 1.0 μm; number of chloroplasts: 11.2-13.1) and tetraploids from the C5 generation (length: 29.12 ± 2.0 μm; diameter: 22.0 ± 0.1 μm; number of chloroplast: 20-22). These parameters were effective in identification of putative tetraploids, and selection based on number of seeds/fruit (>100) was found effective in improving seed number in advanced generations. The tetraploid line selected in the C5 generation (KAU-CL-TETRA-1) produced red-fleshed and yellow-fleshed seedless fruits when used as a female parent with diploid male parents CL-4 and CL-5. A seed yield of more than 200 per fruit was observed in crosses involving the diploid lines. The mean yield over two seasons was 12.256 kg fruits/plant for the red-fleshed KAU-CL-TETRA-1 × CL-4 and 10.168 kg fruits/plant for the yellow-fleshed KAU-CL-TETRA-1 × CL-5 seedless hybrids. The triploid hybrids have excellent fruit quality compared to diploids in terms of sweetness and absence of seeds.

Makale detayları

Potential of a tetraploid line as female parent for developing yellow- andred-fleshed seedless watermelon

Yazarlar: Pradeepkumar THAYYIL | Sujatha REMANI | Gopalakrishnan Thattamparambil RAMAN

Yayıncı: TUBITAK

Dergi: Turkish Journal of Agriculture and Forestry 2016 Vol.40 Issue 1, pp.75-82

Belge Tipi: Makale

Yayın Tarihi: 2/2016

Belge Dili: Türkçe

Document ID (Org No.): 2000806885

Sıklık: İki Aylık

eISSN: 1303-6173

pISSN: 1300-011X

Sayı

Yazarlar:

Pradeepkumar THAYYIL | Sujatha REMANI | Gopalakrishnan Thattamparambil RAMAN

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Agriculture and Forestry 2016 Vol.40 Issue 1, pp.75-82

Belge Tipi:

Makale

Yayın Tarihi:

2/2016

Belge Dili:

Türkçe

Document ID (Org No.):

2000806885

Sıklık:

İki Aylık

eISSN:

1303-6173

pISSN:

1300-011X