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Leaf Area Formulae for Estimating Leaf Areas of “Okazi” ( Gnetum afrianum ) and “Nchuanwu” ( Ocimum viridis )
Author(s) -
Abani M. S. C.
Publication year - 1988
Publication title -
journal of agronomy and crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.095
H-Index - 74
eISSN - 1439-037X
pISSN - 0931-2250
DOI - 10.1111/j.1439-037x.1988.tb00315.x
Subject(s) - leafy , intercropping , biology , leafy vegetables , ocimum , botany , horticulture , agronomy
Gnetum africanum and Ocimum viridis are both indigenous leafy vegetables of the humid tropical environment of Nigeria. The former is used in both the raw state and cooked in soups. The latter is used fresh or dry as a spice in foods and stews. One of the components of leaf yield, our goal, is the leaf area. This gives an indication of the response of these plants to manurial and intercropping trials. In the breeding and selection of these leafy plants one also needs a rapid method of assessing accessions for further development. The leaves of both these species are cunate to obvate. Gnetum leaves are entire, while Ocimum leaves are serated. Formulae are given for both plant species collected from six different locations of southern Nigeria, while a general equation that holds true for all is given for each species.