{"title":"Cytological studies of some Indian liverworts","authors":"S. Kapila","doi":"10.25227/linbg.01067","DOIUrl":null,"url":null,"abstract":"Cytological studies are made in nine species of liverworts belonging to seven genera collected from different areas of Chakrata and Deoban in Uttarakhand, W. Himalaya. The chromosome numbers in four species (Calypogeia renistipula Steph., n = 9; Cephalozia gollani Steph., n = 9; Chiloscyphus campanulatus Steph., n = 9; C. coadunatus ( Sw.) Engel & Schust., n = 9) are recorded for the first time. In Porella platyphylla (L.) Pfeiff. n = 9 is counted for the first time in India. Precocious disjunction of one bivalent in the chromosome complement is observed in Frullania retusa Mitt. Laggards are observed in Calypogeia renistipula.","PeriodicalId":18037,"journal":{"name":"Lindbergia","volume":"150 1","pages":"11 - 7"},"PeriodicalIF":0.0000,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Lindbergia","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.25227/linbg.01067","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Agricultural and Biological Sciences","Score":null,"Total":0}
引用次数: 5
Abstract
Cytological studies are made in nine species of liverworts belonging to seven genera collected from different areas of Chakrata and Deoban in Uttarakhand, W. Himalaya. The chromosome numbers in four species (Calypogeia renistipula Steph., n = 9; Cephalozia gollani Steph., n = 9; Chiloscyphus campanulatus Steph., n = 9; C. coadunatus ( Sw.) Engel & Schust., n = 9) are recorded for the first time. In Porella platyphylla (L.) Pfeiff. n = 9 is counted for the first time in India. Precocious disjunction of one bivalent in the chromosome complement is observed in Frullania retusa Mitt. Laggards are observed in Calypogeia renistipula.
对喜玛拉雅北部阿坎德邦Chakrata和Deoban不同地区采集的7属9种苔类进行了细胞学研究。研究了四种植物的染色体数目。， n = 9;猪头绦虫。， n = 9;钟形斑马鱼， n = 9;coadunatus(西南)恩格尔和舒斯特。， n = 9)为首次记录。在白桦褐藻(L.)Pfeiff。n = 9在印度是第一次被计算在内。在猕猴桃染色体补体中观察到一个二价染色体过早分离。滞后性存在于白头鲂中。
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