The economic rationale of recycling hybrid seeds in Northern Tanzania

E. Nkonya, W. Mwangi
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引用次数: 5

Abstract

A survey of 126 farmers was conducted with the objective of evaluating the economic rationale for recycling hybrid maize seed in northern Tanzania. About 80% of the sample farmers recycled hybrid and open pollinated maize seeds for three to six years as response to cash constraint and to hedge against production and financial risks. Farmers who recycled improved seed realized profits and remunerative returns to labor even when the producer price of maize fell by 46%. Hence, seed recycling is an economically rational behavior. The implications of these findings are researchers in Tanzania need to develop hybrid maize varieties that may be recycled without significant inbreeding depression. The extension services also need to advise farmers on seed selection methods that minimize inbreeding depression. Key words: maize hybrid, risk, seed recycling, Tanzania. Eastern African Journal of Rural Development Vol.20(1) 2004: 113-124
在坦桑尼亚北部回收杂交种子的经济原理
对126名农民进行了调查,目的是评价在坦桑尼亚北部回收杂交玉米种子的经济理由。大约80%的样本农民在三到六年的时间里循环使用杂交和开放授粉的玉米种子,以应对资金紧张,并对冲生产和金融风险。即使玉米的生产者价格下降了46%,回收改良种子的农民也实现了利润和劳动报酬的回报。因此,种子回收是一种经济上合理的行为。这些发现的含义是,坦桑尼亚的研究人员需要开发可以循环使用的杂交玉米品种,而不会造成严重的近交衰退。推广服务还需要向农民提供关于选择种子方法的建议,以尽量减少近亲繁殖的萧条。关键词:玉米杂交种,风险,种子回收,坦桑尼亚非洲农村发展研究Vol.20(1) 2004: 113-124
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