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Pest damage in sweet potato, groundnut and maize in north-eastern Uganda with special reference to damage by millipedes (Diplopoda)

Pest damage in NE Uganda

Field experiments were conducted in Soroti District, north-eastern Uganda, an area with two rainy seasons per calendar year, the first one with long, reliable rains and a second one with short, less reliable rain. The trials were with sweet potato (Ipomoea batatas (L.) Lamk), groundnut (Arachis hypogaea L.) and maize …

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Piecemeal versus one-time harvesting of sweet potato in north-eastern Uganda with special reference to pest damage

Sweetpotato in Uganda

In north-eastern Uganda, the sweet potato crop of small subsistence farmers is severely affected by many pests, including (rough) sweet potato weevils, nematodes and millipedes. Field experiments with sweet potato (Ipomoea batatas (L.) Lam.) were conducted at Arapai Station in Soroti District, northeastern Uganda in three consecutive seasons to study …

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Feeding activity of the East African millipede Omopyge sudanica Kraus on different crop products in laboratory experiments

Millipedes can cause considerable damage in the production of sweet potato and some other crops in East Africa. Quantitative information on intake of crop diets by and body weight gain of millipedes was collected in short-term no-choice feeding activity laboratory experiments conducted in north-eastern Uganda using female millipedes of the …

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Evaluation of Impact of Project Intervention INCOPA / ADERSE in Huanuco

This study is a joint initiative of INCOPA, PAPA ANDINA (another project of the International Potato Center associated with INCOPA) and ADERSE, and leaned on a consulting job for execution. Its kind of ex – post, qualitative and quantitative, and uses several methodologies for collecting and analyzing information. Has three …

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Farmers' information on sweet potato production and millipede infestation in north-eastern Uganda. I. Associations between spatial and temporal crop diversity and the level of pest infestation

Farmers in five districts of north-eastern Uganda were interviewed to generate information on sweet potato production and constraints, with emphasis on damage by millipedes. Participatory rural appraisal methodology was used to interview 148 farmers. The peak period of planting sweet potato was from the end of May till the beginning …

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Production of virus free sweetpotato planting materials using horticultural fleece

virus free sweetpotato

Sweetpotato (Ipomea batatas) is one of the most important staple crops in densely populated parts of Eastern Africa and is quickly becoming an important supplementary staple in the southern part of the continent. It is vital to small scale farmers with limited land, labor and capital. One of the major …

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The Role of Potato and Sweetpotato in Disaster Relief: The Case of Rwandan Refugees in South Kivu, Democratic Republic of the Congo (ex-Zaire),1994-96

This case study illustrates that new cultivars and labor-based technologies to improve the productivity of the farming systems are available in the region, and that they can be adopted rapidly by large numbers of farmers. The wider and more rapid adoption of yield-enhancing technologies is constrained by the size of …

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From Laboratory to Market: Government-private sector contribution to improve sustainable development of sweetpotato production

Sweetpotato vegetative cuttings Abees cultivar were collected and serologically tested using ELISA and Western blot analysis techniques. Thermotherapy followed by Meristem tip culture technique was used for virus elimination. The virus-free plants obtained by this methods, were subjected to micropropagation regime. Adaptation and acclimatization of in vitro sweetpotato plantlets were …

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