Influence of the Size of Potato Microtubers (<i>Solanum tuberosum</i>L.) on the Yield of Plants under Semi-Axenic Conditions

• 作者: Abraham Diémé Oumar Ba Maurice Sagna Mame Ourèye Sy
• 来源期刊: 生命科学与技术进展(英文)
• 学科: 经济
• 关键词: Solanum tuberosum MICROTUBERS Germination Seed Size YIELD Minitubers
• 年，卷（期）: 2021,（3）
• 页码范围: 65-77
• 页数: 13页
• 分类号: F42

摘要

The potato (</span><i><span style="font-family:Verdana;">Solanum tuberosum</span></i><span style="font-family:Verdana;"> L.) is a vegetable that ranks fifth in the world for human consumption. Its importance is growing more and more in the Senegalese diet. However, the potato production in Senegal does not meet the needs of the market, which maintains dependence on the outside for the supply of quality seeds. In addition, these imported seeds do not often have phytosanitary qualities required for local production in the Sahelian zone. The </span><i><span style="font-family:Verdana;">in vitro </span></i><span style="font-family:Verdana;">production of microtubers, used as seed, has been shown to be one of the mos</span><span style="font-family:Verdana;">t efficient means for propagation of basic material. To overcome the constraints linked to the supply and availability of potato seeds, with high germination capacity, the impact of the microtuber size on the yield of the plants under semi-controlled conditions was examined. The pre-germinated</span><span style="font-family:Verdana;"> microtubers were produced </span><i><span style="font-family:Verdana;">in vitro </span></i><span style="font-family:Verdana;">from vitroplants of 3 different varieties (</span><i><span style="font-family:Verdana;">Aida</span></i><span style="font-family:Verdana;">,</span><i><span style="font-family:Verdana;"> Atlas</span></i><span style="font-family:Verdana;">,</span><i><span style="font-family:Verdana;"> Odessa</span></i><span style="font-family:Verdana;">) adapted to the edaphic-climatic conditions of Senegal. The effects of the seed sizes of microtubers, greater than 4 mm, sown under semi-controlled conditions, on the yield of the plants</span></span><span style="font-family:Verdana;">,</span><span style="font-family:Verdana;"> result in an increase in the ratio, in the vegetative development of the plants, but also in the number and size of the minitubers harvested. The yield of the plants also depends on the variety. It can there