Records of the Zoological Survey of India - A Journal of Indian Zoology

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Soil edaphic factors like temperature and moisture are important for the community composition of nematodes. Those were considered to assess their effects upon the population of soil nematodes. The present work was carried out in a guava (Psidium guajava L.) orchard at Shalipur (West), Baruipur block of South 24-Parganas for three consecutive years. The results revealed that the maximum populations of nematodes were observed during monsoon with a population of 4169/250gm of soil in the month of July. During monsoon low soil temperature (30.10C - 31.80C) and high soil moisture (20% - 26%) in the month of July were also observed. The minimum population (204/250gm of soil) of soil nematodes was observed during pre- and post-monsoon with a wide range of low to high soil temperature (180C - 340C) and low soil moisture (10% - 13%). This reveals a direct effect of these two climatic factors of soil on the population of soil nematodes which has been established by correlation and regression analysis.

Keywords

Correlation, Moisture, Population Fluctuation, Soil Nematode, Temperature.
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