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A Technique for Chromosome Count Faom Developing Leap Buds of Induced Tetraploid and Diploid Samalum aleum .L


     

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Best results were achieved for cytological preparation from developing leaf buds of S. album when fixed in modified Cornoy's solution having from Chlorlde in traces hydrolysed in 1 : 9 parts of Normal Hcl and Aceto-orcein and stained in 2% Aceto-orcein. Chromosome number of diploid (2n = 20) and induced tetraploid (4n = 40) was counted by this techaiquea from leaf bads fixod at 1l.30 A.M. The induced tetraploids did not show the reversion trend to diploidy. Flowering is delayed in tetraploid.
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M. L. Kapoor


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  • A Technique for Chromosome Count Faom Developing Leap Buds of Induced Tetraploid and Diploid Samalum aleum .L

Abstract Views: 397  |  PDF Views: 0

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Abstract


Best results were achieved for cytological preparation from developing leaf buds of S. album when fixed in modified Cornoy's solution having from Chlorlde in traces hydrolysed in 1 : 9 parts of Normal Hcl and Aceto-orcein and stained in 2% Aceto-orcein. Chromosome number of diploid (2n = 20) and induced tetraploid (4n = 40) was counted by this techaiquea from leaf bads fixod at 1l.30 A.M. The induced tetraploids did not show the reversion trend to diploidy. Flowering is delayed in tetraploid.