Pratylenchus penetrans (Cobb,
1917) Filipjev and Schuurmans Stekhoven, 1941
Morphometrics
|
Measure
|
P. penetrans
|
 |
|
Length
(mm)
|
0.43-0.81
|
|
a
ratio
|
19-32
|
|
b
ratio
|
5.3-7.9
|
|
c
ratio
|
15-24
|
|
V
%
|
75-84
|
|
Stylet
μ
|
15-17
|
|
TA
#
|
15-27
|
|
Ll
#
|
4
|
|
PUS
/VW
|
1-1.5
|
|
PUS/V-A
%
|
-
|
|
Eso
Ovr μ
|
32-65
(50)
|
|
Males
|
present
1M:1F
|
|
Lips
|
3
|
|
Excr.
Pore
|
E-I
J
|
|
phas
ann-tt
|
-
|
Cobb, N. A. 1917. A new parasitic nema found infesting
cotton and potatoes. Journal of
Agricultural Research 11:27-33.
Filipjev, I. N.and J. H.
Schuurmans Stekhoven Jr 1941.
A Manual of Agricultural Helminthology
E J Brill, Leiden.
Roman, J., and H. Hirschmann. 1969. Morphology and
morphometrics of six species of Pratylenchus.
Journal of Nematology 1: 363-386.
Tarté, R. & W. F. Mai.
(1976). Morphological variation in Pratylenchus
penetrans. Journal of Nematology
8, 185-195.
Taylor, D. P. and W. R.
Jenkins. 1957. Variation within the nematode genus Pratylenchus with descriptions of P. hexincisus n. sp. and P.
subpenetrans n. sp. Nematologica 2:159-174.
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