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Agro-Morphology Evaluation and Gluten Content Estimation of Wheat (Triticum aestivum L.) in the Western Highland of Cameroon

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Agricultural Sciences 2024年第6期15卷 622-634页

作者： liliane ngoune tandzi Aminatou Fanche Mongoue Eddy Leonard Mangaptche Ngonkeu Department of Crop Production Technology College of Technology University of Bamenda Bambili Cameroon Institute of Agricultural Research for Development (IRAD) Yaound Cameroon Department of Plant Biology and Physiology University of Yaound I Yaound Cameroon

Agriculture is amongst the major occupations in Cameroon where over 70% of citizens are involved and it contributes enormously to the economy of the country. Wheat is one of the most consumed cereals in Cameroon with very high importation rate. However, the adoption of wheat production in the cropping system could have the potential to pull farmers out of poverty. It is essential in human foods and animal feeds. This study aims to investigate on the adaptability of wheat varieties based on growth traits and yield as well as to estimate the gluten content in each of the tested variety in the North-West region. Eight wheat varieties (five from CIMMYT, two from IRAD and one local variety) were evaluated in a factorial design with two types of fertilization (organic and inorganic), in two site (Santa and UBa farm) and five environments. Agro-morphological data were collected and were subjected to the analysis of variance using R software. The gluten content related to the baking quality of wheat flour was estimated per tested variety. Highly significant differences were observed among varieties, sites, environment and fertilization for all parameters estimated. The general mean of all the traits evaluated was significantly higher when using organic fertilizer than inorganic, meaning that the application of organic fertilizer provides better performance of wheat growth. The elevated number of tillers found in Santa could inform on the high level of soil fertility for wheat production in that area. Environment 1 was found to be the best follow by environment 3 and 5. IRAD I gave the highest yield followed by Alexander Wonder and IRAD II. 11SATYND and 29SAWYT were promising introduced varieties in term of grain weight when using organic fertilization. Wet and dry gluten yield varied from 3.8 (ALEXANDER Wonder) to 5.5 (IRAD I) and from 3.7 (IRAD II) to 7.9 (IRAD I) respectively. All the introduced wheat varieties expressed low wet and dry gluten yield as compare to the chec

关键词： Wheat Environment Variety Production Gluten Nutrition

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Impact of Rice Stem Borers and Identification of <i>Orseolia oryzivora</i>Harris &Gagné, 1982 (Diptera: Cecidomyiidae) Biotypes in the Southern Cameroon

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Agricultural Sciences 2020年第2期11卷 111-123页

作者： Karine Moche Paul-Alain Nana liliane tandzi ngoune Champlain Djieto-Lordon Noé Woin Télesphore Sime-Ngando Laboratory of Entomology Institute of Agricultural Research for Development Yaoundé Cameroon Department of Oceanography and Limnology Institute of Fisheries and Aquatic Sciences University of Douala Douala Cameroon Laboratory Microorganisms: Genome and Environment (LMGE) Clermont Auvergne University Clermont-Ferrand France Department of Agriculture College of Basic and Apply Sciences University of Ghana Legon Ghana Laboratory of Zoology Faculty of Science University of Yaoundé Yaoundé Cameroon

The study compares the impact due to rice stem borers in two sites (Yaoundé and Ntui). It also shows the diversity of the African Rice Gall Midge (AfRGM) biotypes in southern Cameroon (Santchou, Ndop, Tonga, Ebolowa, Ba?gom, Yaoundé and Ntui). The New Rice for Africa (NERICA) varieties 3, 8, 9 and 13 sown in Ntui were less attacked than those sown in Yaoundé. At both sites, damages ranged from 0.78% to 2.7%. In terms of diversity, the main stem-borer species were O. oryzivora, Diopsis apicalis, D. longiconis and Chilo zacconius. Molecular analyses of Orseolia oryzivora larvae collected in the localities of Santchou, Ndop, Tonga, Ebolowa, Ba?gom and Yaoundé showed the existence of more than one O. oryzivora biotype in southern Cameroon’s rice basins.

关键词： Biotype Larvae NERICA Orseolia sp PCR

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