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Variability in Tylenchorhynchus brevilineatus Williams, 1960 Khan M.R., Khan E. Division of Nematology, Indian Agricultural Research Institute, New Delhi-110 012. Abstract Morphometric and morphological variations were recorded on maize population of Tylenchorhynchus brevilineatus Williams, 1960. Data were statistically analysed for coefficient of variation (C.V.) of each character and a correlation matrix table was prepared. Intra-specific variations in some characters viz., lip region, lateral field, longitudinal striations, oesophageal bulb and cardia, hemizonid and excretory pore position, post-anal blind sac, spicule and gubernaculum and tail shape are discussed. Top Key words Morphological, morphometrical, Tylenchorhynchus brevilineatus, variability. Top | | |
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