{"title":"尼日利亚Ile-Ife地区大戟和异叶大戟的形态学和细胞学研究","authors":"A.O. Bolaji, C.B. Olojede, A.A. Famurewa, J.O. Faluyi","doi":"10.1016/j.nigjg.2015.06.003","DOIUrl":null,"url":null,"abstract":"<div><p>The morphotypes and chromosome numbers of <em>Euphorbia hyssopifolia</em> and <em>Euphorbia heterophylla</em> from Ile-Ife, Nigeria are reported for the first time. Mitotic studies carried out on both species revealed a diploid chromosome number of 2n = 12 and 2n = 28 respectively. The results indicate that the two <em>Euphorbia</em> species studied belong to the members of the genus <em>Euphorbia</em> with the secondary system of basic chromosome number of X = 6 and X = 7 (respectively) resulting from aneuploidy and polyploidy.</p></div>","PeriodicalId":100961,"journal":{"name":"Nigerian Journal of Genetics","volume":"28 2","pages":"Pages 15-18"},"PeriodicalIF":0.0000,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.nigjg.2015.06.003","citationCount":"4","resultStr":"{\"title\":\"Morphological and cytological studies of Euphorbia hyssopifolia L. and Euphorbia heterophylla L. from Ile-Ife, Nigeria\",\"authors\":\"A.O. Bolaji, C.B. Olojede, A.A. Famurewa, J.O. Faluyi\",\"doi\":\"10.1016/j.nigjg.2015.06.003\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The morphotypes and chromosome numbers of <em>Euphorbia hyssopifolia</em> and <em>Euphorbia heterophylla</em> from Ile-Ife, Nigeria are reported for the first time. Mitotic studies carried out on both species revealed a diploid chromosome number of 2n = 12 and 2n = 28 respectively. The results indicate that the two <em>Euphorbia</em> species studied belong to the members of the genus <em>Euphorbia</em> with the secondary system of basic chromosome number of X = 6 and X = 7 (respectively) resulting from aneuploidy and polyploidy.</p></div>\",\"PeriodicalId\":100961,\"journal\":{\"name\":\"Nigerian Journal of Genetics\",\"volume\":\"28 2\",\"pages\":\"Pages 15-18\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2014-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/j.nigjg.2015.06.003\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Nigerian Journal of Genetics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0189968615000041\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nigerian Journal of Genetics","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0189968615000041","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Morphological and cytological studies of Euphorbia hyssopifolia L. and Euphorbia heterophylla L. from Ile-Ife, Nigeria
The morphotypes and chromosome numbers of Euphorbia hyssopifolia and Euphorbia heterophylla from Ile-Ife, Nigeria are reported for the first time. Mitotic studies carried out on both species revealed a diploid chromosome number of 2n = 12 and 2n = 28 respectively. The results indicate that the two Euphorbia species studied belong to the members of the genus Euphorbia with the secondary system of basic chromosome number of X = 6 and X = 7 (respectively) resulting from aneuploidy and polyploidy.
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