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Indian Journal of Nematology
Year : 1999, Volume : 29, Issue : 2
First page : ( 133) Last page : ( 139)
Print ISSN : 0303-6960.

Variability in Tylenchorhynchus brevilineatus Williams, 1960

Khan M.R., Khan E.

Division of Nematology, Indian Agricultural Research Institute, New Delhi-110 012.

Accepted:  October,  1999.


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.


Key words

Morphological, morphometrical, Tylenchorhynchus brevilineatus, variability.


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