THE INFLUENCE OF RESISTANCE OF TOMATOES ON THE MORPHO-PHYSIOLOGICAL DIVERSITY AND POPULATION CHARACTERISTICS OF ROOT-KNOT NEMATODES MELOIDOGYNE INCOGNITA (KOFOID, WHITE, 1919), CHITWOOD, 1949
https://doi.org/10.12737/20070
Abstract
Objective of research: to provide data on the effect of tomato plants with different varietal resistance and immuno-chemical characteristics on the morpho-physiological and population features of root-knot nematode Meloidogyne incognita (Kofoid, White, 1919), Chitwood, 1949.
Materials and methods: Tomato plants were infected and cultivated by standard methods.
Parameters of nematodes (size, fertility, duration of life cycle, age and sex structure) of 156 lines in hybrids and cultivars of tomato Lycopersicon esculentum (Mill.) with different degrees of resistance to that nematode (resistance index 20% to 90%), as well the tomato cultivar (F1Karlson) which immune status was corrected with the use of immunomodulators.
Results and discussion: The increased resistance of plants has a significant effect on total morpho-physiological and some population parameters (size, fertility, time to reach sexual maturity, terms of development, the number of males, etc.). This fact may indicate the modifying effect of immunity factors on parasites. Morpho-physiological features express a regular association between the level of immunity and standard features of parasitic invasions, which is required to ensure a relative stability of host-parasite systems in each particular case.
About the Authors
Zh. V. Udalova
The Center of Parasitology of A.N. Severtsov Institute of Ecology and Evolution, RAS; All-Russian Scientific Research Institute of Fundamental and Applied Parasitology of Animals and Plants named after K.I. Skryabin
Russian Federation
Russian Federation
S. V. Zinovieva
The Center of Parasitology of A.N. Severtsov Institute of Ecology and Evolution, RAS
Russian Federation
Russian Federation
O. S. Khasanova
The Center of Parasitology of A.N. Severtsov Institute of Ecology and Evolution, RAS
Russian Federation
Russian Federation
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Review
For citations:
Udalova Zh.V., Zinovieva S.V., Khasanova O.S. THE INFLUENCE OF RESISTANCE OF TOMATOES ON THE MORPHO-PHYSIOLOGICAL DIVERSITY AND POPULATION CHARACTERISTICS OF ROOT-KNOT NEMATODES MELOIDOGYNE INCOGNITA (KOFOID, WHITE, 1919), CHITWOOD, 1949. Russian Journal of Parasitology. 2016;36(2):245-252. (In Russ.) https://doi.org/10.12737/20070
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