Effect of colchicine on meiosis of Chrysanthemum carinatum Schousb. (Asteraceae)
The effect of colchicine was studied from the cytological point of view to induce mutation and develop polyploidy. The present study was conducted to determine the effect of colchicine on cell division and some morphological traits. Young seedling of Chrysanthemum carinatum Schousb. (2n=18) was trea...
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| Veröffentlicht in: | Chromosome Botany 2018, Vol.12(4), pp.91-94 |
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| creator | Verma, Rakesh Chandra Purbiya, Rakesh Solanki, Rekha |
| description | The effect of colchicine was studied from the cytological point of view to induce mutation and develop polyploidy. The present study was conducted to determine the effect of colchicine on cell division and some morphological traits. Young seedling of Chrysanthemum carinatum Schousb. (2n=18) was treated with 0.2% colchicine. During meiotic analysis, reciprocal translocation heterozygote has been isolated among population of the colchicine treated Chrysanthemum carinatum Schousb. The translocation heterozygotes showed characteristics feature such as multivalent formation (mainly quadrivalents and hexavalent), univalent formation, bivalent associations, chromatin stickiness, chromosomal laggards, fragments and multipolar PMCs. At anaphase I, some pollen mother cells (PMCs) showed abnormal 8:10 chromosomal separation in addition to normal 9:9 separation. The treated populations showed reduction in plant survivability, plant height and delayed flowering. Induction of permanent chromosomal structural changes may also sometime bring out favorable morphological variation. It is expected that the mutant, when established, could be used in further cytological and breeding programs. |
| doi_str_mv | 10.3199/iscb.12.91 |
| format | Article |
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The translocation heterozygotes showed characteristics feature such as multivalent formation (mainly quadrivalents and hexavalent), univalent formation, bivalent associations, chromatin stickiness, chromosomal laggards, fragments and multipolar PMCs. At anaphase I, some pollen mother cells (PMCs) showed abnormal 8:10 chromosomal separation in addition to normal 9:9 separation. The treated populations showed reduction in plant survivability, plant height and delayed flowering. Induction of permanent chromosomal structural changes may also sometime bring out favorable morphological variation. 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The treated populations showed reduction in plant survivability, plant height and delayed flowering. Induction of permanent chromosomal structural changes may also sometime bring out favorable morphological variation. It is expected that the mutant, when established, could be used in further cytological and breeding programs.</description><subject>Anaphase</subject><subject>APG-IV</subject><subject>Cell division</subject><subject>Chromatin</subject><subject>Chrysanthemum carinatum</subject><subject>Colchicine</subject><subject>Flowering</subject><subject>Heterozygotes</subject><subject>Meiosis</subject><subject>Morphology</subject><subject>Polyploidy</subject><subject>Seedlings</subject><subject>Translocation</subject><issn>1881-5936</issn><issn>1881-8285</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNo9kF9LwzAUxYMoOKcvfoKCLyq05iZtlzz4MMb8AwMF9Tmkd4nNWJuZtA_79nZ07Oke7v2de-AQcgs04yDlk4tYZcAyCWdkAkJAKpgozo-6kLy8JFcxbigthaRsQj6X1hrsEm8T9FusHbrWJL5NGuN8dPFwWNRhH3Xb1abpmwR1cK3uBvWFte9jlSX389iZoNFo83BNLqzeRnNznFPy87L8Xrylq4_X98V8lSIvAVLOrdClsaIyWDBggDqXFRSSlnyWS1znM8E4rLmtGENjOWMWkK8tKzkFinxK7sa_u-D_ehM7tfF9aIdIxSjPJfDBMlCPI4XBxxiMVbvgGh32Cqg6NKYOjSlgajBMyfMIb2Knf80J1aFzuDUnNB_50x5rHZRp-T8hGnRi</recordid><startdate>2018</startdate><enddate>2018</enddate><creator>Verma, Rakesh Chandra</creator><creator>Purbiya, Rakesh</creator><creator>Solanki, Rekha</creator><general>International Society of Chromosome Botany</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TM</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope></search><sort><creationdate>2018</creationdate><title>Effect of colchicine on meiosis of Chrysanthemum carinatum Schousb. 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| subjects | Anaphase APG-IV Cell division Chromatin Chrysanthemum carinatum Colchicine Flowering Heterozygotes Meiosis Morphology Polyploidy Seedlings Translocation |
| title | Effect of colchicine on meiosis of Chrysanthemum carinatum Schousb. (Asteraceae) |
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