Effect of Colchicine Concentration and Duration of Treatment on Polyploidy Induction in Shallot (Allium cepaL., Aggregatum Group)

Received: 09-11-2015

Accepted: 11-03-2016

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Issue: Vol. 14 No. 3 (2016)

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NÔNG HỌC

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Hang, T., Phuong, P., Tuan, N., & Ngan, P. (2024). Effect of Colchicine Concentration and Duration of Treatment on Polyploidy Induction in Shallot (Allium cepaL., Aggregatum Group). Vietnam Journal of Agricultural Sciences, 14(3), 360–366. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/1422

Effect of Colchicine Concentration and Duration of Treatment on Polyploidy Induction in Shallot (Allium cepaL., Aggregatum Group)

Tran Thi Minh Hang (*) 1 , Pham Thi Minh Phuong 1 , Nguyen Thanh Tuan 1 , Phan Thi Ngan 2

  • 1 Khoa Nông học, Học viện Nông nghiệp Việt Nam
  • 2 Sinh viên lớp KHCT55B, Khoa Nông học, Học viện Nông nghiệp Việt Nam

    • Keywords

    Colchicine, polyploidy, shallot, tetraploid

    Abstract


    Local shallot (Allium cepaL. ), Aggregatum group) variety grown inKinh Mon, Hai Duong was treated with colchicine in order to produce polyploid materials for high-quality shallot breeding in Viet Nam. The research was carried out at Faculty of Agronomy, Vietnam National University of Agriculture. The shallot bulbs were immersedincolchicine solution with different concentrations (0,2%; 0,4%; 0,6%; 0,8%; 1,0%; 1,2%; 1,4%; 1.6%; 1,8%; 2,0%)for oneto tendays. The results revealed that colchicine treatment at concentration 1,0% for 6 days was most suitable for inducing tetraploid shallot plants with survival rate of 80%. Thepercentage of tetraploids was20% in total treated bulbs. Treatment at higher concentration and longer duration increased the percentage of dead plants up to 100%. Thirty six tetraploid plants of shallot were produced.

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