Výsledky vyhledávání - "P.P. Frimpong-Manso"

Agronomic potentials of quality protein maize hybrids developed in Ghana

Autor: S Osei-Yeboah, E Obeng-Antwi, B D Dzah, K. Ahenkora, P.Y.K. Sallah, S. Twumasi-Afriyie, E.A. Asiedu, P.P. Frimpong-Manso, A Ankomah

Publikováno v: Ghana Journal of Agricultural Science; Vol 40, No 1 (2007); 81-89

A quality protein maize (QPM) hybrid programme was started in 1991 to develop and promote high and stableyielding QPM hybrids to increase production of nutritionally superior maize varieties in Ghana. Six 3- way QPM hybrids developed from inbred line

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::343062d2d27c9e27d9f0b4f296192772
https://www.ajol.info/index.php/gjas/article/view/2157

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Performance of intermediate maturing maize cultivars in drought-stressed and non-stressed environments in Ghana

Autor: K. Obeng-Antwi, P.P. Frimpong-Manso, P.Y.K. Sallah

Publikováno v: Ghana Journal of Agricultural Science; Vol 35, No 1 (2002); 49-57

Drought stress is a major production constraint of maize (Zea mays L.) in the lowland tropics. A study was conducted.to determine the yield potential and stability of five maize hybrids, three improved composites, and one local maize variety in favou

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c09a0d581c3a471721029617cd22fca4
https://www.ajol.info/index.php/gjas/article/view/1844

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Incidence and severity of African cassava mosaic disease (ACMD) and cassava bacterial blight (CBB) on some local and exotic cassava varieties in different ecological zones of Ghana

Autor: P.P. Frimpong-Manso, O.O. Okoli, J. N. L. Lamptey

Publikováno v: Ghana Journal of Agricultural Science; Vol 31, No 1 (1998); 35-43

Seven exotic varieties of cassava, namely TMS 30001, TMS 91934, TMS 4(2)1425, TMS 30555, TMS 50395, TMS 63397, and TMS 30572 developed in IITA, Ibadan, Nigeria, and three local varieties, namely 'Ankra', 'Bosomensia' and 'Katawia' were evaluated for

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3892c499efdd111fd66714a858927124
https://doi.org/10.4314/gjas.v31i1.1943

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Studies on performance of some open-pollinated maize cultivars in the Guinea savanna zone of Ghana. 1. Effects of plant density, nitrogen level and their interactions on yield

Autor: P.P. Frimpong-Manso, S. Twumasi-Afriyie, P.Y.K. Sallah

Publikováno v: Ghana Journal of Agricultural Science; Vol 30, No 2 (1997); 151-159

Plant density and nitrogen (N) fertilizer responses of one local and three improved open-pollinated cultivars of maize (Zea mays L.) developed in different eras of maize breeding were studied on sandy-loam Alfisols in the Guinea savanna zone of Ghana

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f7fe807dbd466a9c7574c87dc696a83a
https://doi.org/10.4314/gjas.v30i2.1967

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