Global Advanced Research Journal of Agricultural Science (GARJAS) ISSN: 2315-5094
December, 2015 Special Anniversary Review Issue.  Vol. 4(12): pp. 900-904
Copyright © 2015 Global Advanced Research Journals

 

Full Length Research Paper

Survey of Weeds on Tea (Camellia sinensis L. Kuntze) Plantations on the Mambilla Plateau in Nigeria

Yohanna Mamma Kwaga* and Chila Njwe Fredrick

 

Department of Crop Science, Adamawa State University, Mubi.

Email: kwagahanna@gmail.com

Accepted 11 December, 2015

 

Abstract

Survey of weeds on tea (Camellia sinensis. L. Kuntze) plantations was conducted on Mambilla Plateau, Sardauna Local Government area of Taraba State. Data were collected through weed sampling from 52 tea farms selected randomly and proportionally as per tea farm density in the fifteen villages. A weed quadrant of O.5m2 x O.5m2 (O.25rn2) was taken at three different points on each farm. Administration of questionnaire as well as oral interview was undertaken. A total of seventy questionnaires were distributed randomly and proportionally to farmers in the fifteen villages. The objective was to identify prevailing weed species on tea plantations on Mambilla Plateau. Results have shown that most weeds flora in the study area are annuals and morphologically are broadleaves. Also Imperata cylindrica was indentified as the worst noxious weed. Increase in age of tea crop which results in wider canopy, reduced weed infestation and increased weeding intervals.

KeywordsWeed survey tea plantation.

 


 

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