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Seasonal Dynamics of Arbuscular Mycorrhizal Fungi, Glomalin and Soil Properties in Agroecosystems of Nanded District

Journal: International Journal of Trend in Scientific Research and Development (Vol.2, No. 4)

Publication Date:

Authors : ;

Page : 2790-2800

Keywords : Glomalin; AMF; edaphic factors; crop plants; seasonal variations;

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To understand the ecological significance of arbuscular mycorrhizal fungal (AMF) associations in agroecosysytem, the host specific and seasonal dynamics of AMF and glomalin-related soil protein (GRSP) was investigated in agricultural fields of Nanded, Maharashtra State. Soil samples were collected from the rhizosphere of eight crop plants (Glycine max (L.) Merr., Saccharum officinarum L., Zea mays L., Cajanas cajan (L.) Millsp., Gossypium arboreum L., Triticum aestivum L., Sorghum vulgare Pers. and Cicer arietinum L.) in winter, summer and monsoon seasons respectively. Arbuscular mycorrhizal root infection and spore density of AMF peaked in monsoon and winter.The mean contents of total glomalin related soil proteins (T-GRSP) reached maximal values in summer. Spore density was highest in Zea mays L. Easily extractable glomalin related (EE-GRSP) and T-GRSP fractions were the highest in the rhizosphere of Cicer arietinum L. and Sorghum vulgare Pers. AMF root colonization and spore density was negatively correlated with K (P < 0.05; P < 0.01). T-GRSP fraction was positively correlated with edaphic factors (rhizosphere temperature, K and Fe content of soil) and negatively correlated with soil moisture (P < 0.01), AMF root colonization (P < 0.05) and spore density (P

Last modified: 2018-08-02 18:15:59