{"title":"尼日利亚乔斯高原Livingstone马铃薯(Plectranthus esculentus N.E. BR.)开花和结实的研究","authors":"Y. P. Mwanja, E. E. Goler, F. M. Gugu","doi":"10.3923/IJPBG.2015.275.279","DOIUrl":null,"url":null,"abstract":"An investigation was conducted in Kuru (Lat. 09044’N; Long. 08047’E and Alt. 1350 m asl.) on the Jos-Plateau, Nigeria to study the flowering and fruiting behavior of Livingstone potato (Plectranthus esculentus). The treatment consisted of three local cultivars namely Ryiom, Longat and Bebot laid out in a Randomized Complete Block Design (RCBD) with four replications. Results obtained indicated that Livingstone potato cultivars produced flowers from 158-215 Days after Planting (DAP). The number of branches, nodes, flowers and inflorescences per plant were significantly higher in Longat (p<0.05) than in Ryiom, while cultivar Bebot maintained an intermediary position in most parameters tested. Flowers dried up without fruiting or seed-setting in all cultivars probably because of the interplay of genetic and environmental factors. Determination of these factors and how to overcome them should form the focus of subsequent research.","PeriodicalId":356916,"journal":{"name":"International Journal of Plant Breeding and Genetics","volume":"15 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Flowering and Seed-Setting Studies in Livingstone Potato (Plectranthus esculentus N.E. BR.) in Jos-Plateau, Nigeria\",\"authors\":\"Y. P. Mwanja, E. E. Goler, F. M. Gugu\",\"doi\":\"10.3923/IJPBG.2015.275.279\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An investigation was conducted in Kuru (Lat. 09044’N; Long. 08047’E and Alt. 1350 m asl.) on the Jos-Plateau, Nigeria to study the flowering and fruiting behavior of Livingstone potato (Plectranthus esculentus). The treatment consisted of three local cultivars namely Ryiom, Longat and Bebot laid out in a Randomized Complete Block Design (RCBD) with four replications. Results obtained indicated that Livingstone potato cultivars produced flowers from 158-215 Days after Planting (DAP). The number of branches, nodes, flowers and inflorescences per plant were significantly higher in Longat (p<0.05) than in Ryiom, while cultivar Bebot maintained an intermediary position in most parameters tested. Flowers dried up without fruiting or seed-setting in all cultivars probably because of the interplay of genetic and environmental factors. Determination of these factors and how to overcome them should form the focus of subsequent research.\",\"PeriodicalId\":356916,\"journal\":{\"name\":\"International Journal of Plant Breeding and Genetics\",\"volume\":\"15 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-04-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Journal of Plant Breeding and Genetics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.3923/IJPBG.2015.275.279\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Plant Breeding and Genetics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3923/IJPBG.2015.275.279","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Flowering and Seed-Setting Studies in Livingstone Potato (Plectranthus esculentus N.E. BR.) in Jos-Plateau, Nigeria
An investigation was conducted in Kuru (Lat. 09044’N; Long. 08047’E and Alt. 1350 m asl.) on the Jos-Plateau, Nigeria to study the flowering and fruiting behavior of Livingstone potato (Plectranthus esculentus). The treatment consisted of three local cultivars namely Ryiom, Longat and Bebot laid out in a Randomized Complete Block Design (RCBD) with four replications. Results obtained indicated that Livingstone potato cultivars produced flowers from 158-215 Days after Planting (DAP). The number of branches, nodes, flowers and inflorescences per plant were significantly higher in Longat (p<0.05) than in Ryiom, while cultivar Bebot maintained an intermediary position in most parameters tested. Flowers dried up without fruiting or seed-setting in all cultivars probably because of the interplay of genetic and environmental factors. Determination of these factors and how to overcome them should form the focus of subsequent research.
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