Analysis of cyst and cone top morphometrics of indian populations of maize cyst nematode
More details
Hide details
Department of Plant Protection, Yasouj University, P.O. Box 7591874831, Yasouj, Iran
Corresponding author
Mohammad Abdollahi
Department of Plant Protection, Yasouj University, P.O. Box 7591874831, Yasouj, Iran
Journal of Plant Protection Research 2009;49(1):41-47
Hierarchical cluster analysis based on cyst and cone top morphometric means including cyst length, cyst width, cyst length to cyst width ratio, vulval slit length, vulval bridge length, vulval bridge breadth, under bridge breadth, length of fenestra, breadth of fenestra, distance from anus to fenestra and number of secondary bullae was used to learn more about cyst and cone top morphometric means and their relationships for six populations of Heterodera zeae from Indore, Ludhiana, Delhi, Udaipur, Kanpur and Samastipur by using SPSS 13 for Windows computer software (SPSS Inc.). Values of proximity matrix based on cluster analysis of morphometrics and the dendrograms visually illustrated the grouping and relationships among populations. Intra specific variations in the different characters of the cone top structure revealed that Indore and Samastipur populations of H. zeae were different as compared to other ones of H. zeae. Cluster analysis of cyst morphometrics showed that the populations of H. zeae from Kanpur and Delhi were different as compare to other four ones.
The authors have declared that no conflict of interests exist.
Abdollahi M., Ganguly A.K.,Kaushal K.K. 2006. Morphometric variations in Indian populations of Heterodera cajani I – Second stage juveniles and males. Indian J. Nematol.36: 247–255.
Abdollahi M., Ganguly A.K.,Kaushal K.K. 2007. Morphometric variations in Indian populations of Heterodera cajani II – Eggs, cysts and cone top structure. Indian J. Nematol.37: 8–14.
Abul E.E., Ghorab A.I. 1981. Occurrence of Heterodera zeae in maize fields in Egypt. Egyptian J. Phytopathol. 13: 51–56.
Bajaj H.K., Gupta D.C. 1994. Existence of host races in Heterodera zeae Koshy et al., Fundam. Appl. Nematol.17: 389–390.
Cobb N.A. 1918. Estimating the nema population of the soil. Agric. Tech. Circ. I. Bur. Pl. Industr. U.S.D.A., 45 pp.
Chinnasri B., Tangchitsomkid N., Toida Y. 1995. Heterodera zeae on maize in Thailand.Jap. J. Nematol. 24: 35–38.
Eisenback J.D., Reaver D.M., Stromberg E.L. 1993. First report of corn cyst nematode (Heterodera zeae) in Virginia. Plant Dis. 77, p. 647.
Franklin M.T. 1951. The Cyst Forming Species of Heterodera. Wilding and Son, England, 346 pp.
Golden A. M., Mulvey R.M. 1982. Morphological and diagnostic features of Heterodera zeae, the corn cyst nematode. J. Nematol. 14, p. 442. (Abstr.).
Khair A.M., Farahat A.A., Abadir S.K. 1989. Studies on the corn cyst nematode (CCN) Heterodera zeae in Egypt; IV variation in development and reproduction of four different populations of some corn cultivars. Pakistan J. Nematol.7: 69–73.
Kornobis S. 1976. A modified technique for mounting vulval cones of Heterodera cysts. Nematologica 22: 227–234.
Koshy P.K. Swarup G., Sethi C.L. 1970. Heterodera zeaen. sp. (Nematoda: Heteroderidae), a cyst-forming nematode on Zea mays.Nematologica16: 511–516.
Lal A., Mathur V.K. 1982. Occurrence of Heterodera zeae on Vetiveria zizanioides. Indian J. Nematol.12: 405–407.
Lilley C.J., Devlin P., Urwin P. E., Atkinson H.J. 1999. Parasitic nematodes, proteinases and transgenic plants. Parasitology Today 15: 414–417.
Maqbool M.A. 1981. Occurrence of root knot and cyst nematodes in Pakistan. Nematologica mediterranea 9: 211–212.
Maqbool M.A., Hashmi S. 1984. New host records of cyst nematodes Heterodera zeae and H. motki from Pakistan. Pak. J. Nematol. 2: 99–100.
Mathur B.N., Arya H.C., Mathur R.L., Handa D.K. 1974. The occurrence of biotypes of the cereal cyst nematode (Heterodera avenae) in the light soils of Rajasthan and Haryana, India. Nematologica 20: 19–26.
Mulvey R.H. 1972. Identification of Heterodera cysts by terminal and cone top structures. Can. J. Zool.50: 1277–1292.
Qasim M., Ghaffar A. 1986. Heterodera zeae in rhizosphere of declining almond trees,Prunus amygdalus, in Baluchistan, Pakistan. Nematologica Mediterrania 14 (1), p. 159.
Ringer C.E., Sardanelli S., Krusberg L.R. 1987. Investigations of the host range of the corn cyst nematode, Heterodera zeae from Maryland. Ann. Appl. Nematol.1: 97–106.
Sardanelli S., Krusberg L. R., Golden A. M. 1981. Corn cyst nematode, Heterodera zeae, in the United States. Plant Dis. 65, p. 622.
Shahzad S., Ghaffar A. 1986. Tomato, a natural host of Heterodera zeae in Pakistan. Int. Nematol. Network Newsletter 3 (4), p. 38.
Srivastava A. N., Sethi C.L. 1984. Relationship of initial populations of Heterodera zeae with plant growth of maize and nematode reproduction. Indian J. Nematol.14: 110–114.
Srivastava A.N., Swarup G. 1977. Preliminary studies on some graminacious plants for their susceptibility to the maize cyst nematode Heterodera zeae.Indian J. Nematol.5 (2) : 257–259.
Swarup G., Sethi C.L. Seshadri A.R., Kaushal K.K. 1979. On the biotypes of H. avenae, the causal organism of ‘molya’ disease of wheat and barley in India. Indian J. Nematol.9: 164–168.
Thorne G. 1928. Heterodera punctata n. sp., a nematode parasitic on wheat roots from Saskatchewan. Sci. Agri. 8: 707–710.
U.S.D.A. 2007. Annual World Production Summary, Grains. <http://www.fas.usda.gov/psdonl...>.
Walia K., Bajaj H.K. 2000. Morphological and morphometrical variations in two races of Heterodera cajani Koshy. Indian J. Nematol.30: 124–128.
Journals System - logo
Scroll to top