tailieunhanh - Population fluctuation of plant parasitic nematodes associated with grapevine under hi-tech and low-tech polyhouse conditions

Soil samples were collected from the rhizosphere of two months old grapevine grown in hi-tech and low-tech polyhouse. Forty samples each from hi-tech and low-tech polyhouse were withdrawn at four intervals . May, June, July and August for two consecutive years 2016 and 2017 and processed in the laboratory for the determination of nematodes. Among the five nematode genera identified, four were plant parasitic viz., lesion nematode, Pratylenchus spp., stunt nematode, Tylenchorhynchus spp, reniform nematode, Rotylenchulus spp. and Tylenchus spp. The free living nematode identified was Rhabditis spp. Nematode population was maximum in low-tech as compared to hi-tech polyhouse nursery. The population of all the nematodes increased gradually in the soil with the passage of time . from May to August. | Population fluctuation of plant parasitic nematodes associated with grapevine under hi-tech and low-tech polyhouse conditions

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