Search Results - "Nyankanga, R."

Evaluation of vegetable pigeonpea [Cajanus cajan (L.) Millsp] genotypes for yield stability by Ojwang, J. D., Nyankanga, R., Rao, N. V. P. R. G. Ganga, Imungi, J.

“…Abstract Background Vegetable pigeonpea is an important food security crop in the marginal dry areas of the Eastern region of Kenya. The adaptation and…”
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Effects of Foliar and Tuber Sprout Suppressants on Storage of Ware Potatoes under Tropical Conditions by Nyankanga, R. O., Murigi, W. W., Shibairo, S. I., Olanya, O. M., Larkin, R. P.

“…Potato ( Solanum tuberosum L.) is an important source of dietary carbohydrate and cash income generation for farmers in the tropical highlands of Kenya. The…”
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Maturity indices of specific mango varieties produced at medium altitude agro-ecological zone in Kenya by Muiruri, J, Ambuko, J, Nyankanga, R, Owino, W.O

“…The high postharvest losses (40 – 50%) reported in the mango value chain are partly attributed to lack of reliable maturity indices. Harvest maturity is…”
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Efficacy of fungicide combinations, phosphoric acid and plant extract from stinging nettle on potato late blight management and tuber yield by Nyankanga, R, Njogu, M, Muthomi, J, Olanya, M

“…Late blight caused by Phytophthora infestans is a major constraint to potato production. Inadequate control of the disease has often resulted in potato yield…”
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Effects of Mulch and Potato Hilling on Development of Foliar Blight (Phytophthora infestans) and the Control of Tuber Blight Infection by Nyankanga, R. O, Wien, H. C, Olanya, O. M

“…Foliar and tuber blight caused by Phytophthora infestans accounts for significant losses in potatoes in field and storage. Nevertheless, limited research has…”
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Recent developments in managing tuber blight of potato (Solanum tuberosum) caused by Phytophthora infestans by Olanya, O.M., Ojiambo, P.S., Nyankanga, R.O., Honeycutt, C.W., Kirk, W.W.

“…Tuber blight, caused by Phytophthora infestans, occurs wherever potato (Solanum tuberosum) is cultivated and accounts for significant losses under field and…”
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Relationship between late blight [Phytophthora infestans] of potato on tuber and foliage, as affected by the disease severity on foliage, cultivar resistance, and atmospheric and soil variables by Nyankanga, R. O., Wien, H. C., Olanya, O. M., Ojiambo, P. S.

“…Potato tuber blight, caused by Phytophthora infestans, is an important component of the late blight pathosystem. Although the dynamics of tuber blight on…”
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Farmers' cultural practices and management of potato late blight in Kenya Highlands: implications for development of integrated disease management by Nyankanga, R.O, Wien, H.C, Olanya, O.M, Ojiambo, P.S

“…A survey of 277 farmers in three major potato-growing areas in Kenya was conducted in 2000 and 2001 with the aims of assessing farmers' current perception and…”
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Validation of tuber blight ( Phytophthora infestans) prediction model by Nyankanga, R.O., Olanya, O.M., Ojiambo, P.S., Wien, H.C., Honeycutt, C.W., Kirk, W.W.

“…Potato tuber blight caused by Phytophthora infestans accounts for significant losses of tubers in storage. Despite research on infection and management of…”
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Dynamics of development of late blight [Phytophthora infestans] in potato, and comparative resistance of cultivars in the highland tropics by Olanya, O.M, Ojiambo, P.S, Nyankanga, R.O

“…Host resistance is an important component for the management of late blight Phytophthora infestans on potato, in the highland tropics, where effective…”
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Low Light Stress Influences lower Abscission and Yield of Six Bell Pepper Cultivars by Wien, H.C, Turner, A.D, Nyankanga, R

“…High temperatures during flowering frequently limit yields of some bell pepper cultivars in New York fields. Previous research has shown that subjecting the…”
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