改良甘薯的产量及贮藏品质[j]。]。)肯尼亚维多利亚湖盆地的栽培品种

B. A. Were, A. Onkware, S. Gudu
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引用次数: 4

摘要

甘薯(iomoea batatas);是热带地区重要的粮食作物。在肯尼亚,在粮食短缺的几个月里,它主要由小农种植,用于粮食安全。尼扬扎省的产出占全国总产出的53% (Irungu和Kidane-Mariam, 1992)。甘薯种植在维多利亚湖盆地干燥低地的尼亚蒂克和姆比塔地区很常见。由于普遍干旱、象鼻虫侵扰和病毒侵袭,产量很低(Gudu和Were, 1996年)。这两个地区的农民仍然在低肥力的土壤上种植土地品种,这进一步降低了作物产量。引进由肯尼亚农业研究所(KARI)和国际马铃薯中心(CIP)选择的高产耐旱品种可以提高产量。除了高产潜力外,一些品种对病毒和害虫具有抗性(Mutuura et al., 1992)。
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Yield and Storage Quality of Improved Sweetpotato (Ipomoea Batatas [L.] Lam.) Cultivars in the Lake Victoria Basin, Kenya
Sweetpotato (Ipomoea batatas [L.] Lam.) is an important food crop in the tropics. In Kenya, it is mainly grown by small-scale fanners for food security during months of food scarcity. Nyanza Province produces 53% of the total national output (Irungu and Kidane-Mariam, 1992). Sweetpotato cultivation is common in the Nyatike and Mbita Divisions in the dry lowlands of Lake Victoria basin. The yield is low because of prevalent drought, weevil infestation and viral attack (Gudu and Were, 1996). The farmers in the two Divisions still grow land races in soils that are low in fertility, which further reduces the crop yield. Introduction of the high yielding, drought-tolerant cultivars that have been selected by the Kenya Agricultural Research Institute (KARI) and the International Potato Center (CIP) could improve yield. Apart from high yield potential, some of the cultivars are resistant to viral and pest attack (Mutuura et al., 1992).
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