DOI: 10.1007/s10584-015-1459-2
Scopus记录号: 2-s2.0-84951566972
论文题名: Drought tolerant maize for farmer adaptation to drought in sub-Saharan Africa: Determinants of adoption in eastern and southern Africa
作者: Fisher M. ; Abate T. ; Lunduka R.W. ; Asnake W. ; Alemayehu Y. ; Madulu R.B.
刊名: Climatic Change
ISSN: 0165-0009
EISSN: 1573-1480
出版年: 2015
卷: 133, 期: 2 起始页码: 283
结束页码: 299
语种: 英语
Scopus关键词: Agriculture
; Drought
; Food supply
; Mobile security
; Yield stress
; Agricultural research
; Barriers to adoption
; Drought stress
; Empirical studies
; Food security
; Growing conditions
; Promotional efforts
; Sub-saharan africa
; Seed
; agricultural development
; cropping practice
; drought resistance
; drought stress
; food security
; maize
; Ethiopia
; Malawi
; Tanzania
; Uganda
; Zambia
; Zimbabwe
; Zea mays
英文摘要: In sub-Saharan Africa (SSA), “maize is life,” due to its importance to food security and economic wellbeing. Around 40 % of Africa’s maize-growing area faces occasional drought stress, resulting in yield losses of 10–25 %. Around 25 % of the maize crop suffers frequent drought, with losses of up to half the harvest. To reduce vulnerability and improve food security, the Drought Tolerant Maize for Africa (DTMA) project has made releases of 160 drought tolerant (DT) maize varieties between 2007 and 2013. These have been tested in experimental and farmers’ fields, and disseminated to farmers in 13 African countries through national agricultural research systems and private seed companies. Yields of the new varieties are superior to those of currently available commercial maize varieties under both stress and optimum growing conditions. Although the benefits of DT maize for African farmers have been repeatedly predicted, realization of those benefits depends on farmer uptake, which has received limited empirical study. We use new plot-level data from surveys of 3,700 farm households in six countries (Ethiopia, Tanzania, Uganda, Malawi, Zambia, and Zimbabwe) to measure DT maize adoption rates and their determinants. The data reveal considerable inter-country variation in farmer uptake of DT maize, from 9 % of maize plots in Zimbabwe to 61 % in Malawi. The major barriers to adoption include unavailability of improved seed, inadequate information, lack of resources, high seed price, and perceived attributes of different varieties. Based on the results, we recommend that seed companies and agro-dealers ensure adequate supply of DT maize seed in local markets and sell seed in affordable micro-packs (1 or 2 kg). Furthermore, the DTMA project and partners should ramp up promotional efforts to ensure widespread awareness and understanding of the benefits of the new DT maize varieties. © 2015, The Author(s). Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/84486
Appears in Collections: 气候减缓与适应 气候变化事实与影响
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作者单位: Applied Economics Department, 213 Ballard Extension Hall, Oregon State University, Corvallis, OR, United States; CIMMYT-Kenya, ICRAF House United Nations Avenue, Gigiri Village Market-00621, PO Box 1041, Nairobi, Kenya; CIMMYT- Southern Africa Regional Office (SARO), PO Box MP 163, Mount Pleasant Harare, Zimbabwe; CIMMYT-Ethiopia, PO Box 5689, Addis Ababa, Ethiopia; Mikocheni Agricultural Research Institute, PO Box 6226, Dar Es Salaam, Tanzania
Recommended Citation:
Fisher M.,Abate T.,Lunduka R.W.,et al. Drought tolerant maize for farmer adaptation to drought in sub-Saharan Africa: Determinants of adoption in eastern and southern Africa[J]. Climatic Change,2015-01-01,133(2)