PJB-2021-551
ALLEVIATION OF THE ALLELOPATHIC EFFECT OF CALOTROPIS PROCERA BY AMF ON MORPHOLOGICAL & PHYSIOLOGICAL PARAMETERS OF ZEA MAYS L.
SALAH N. SORRORI
Abstract
Different plant communities may compete for resources and release allelochemicals to inhibit the development and survival of neighboring plants and microorganisms. Arbuscular mycorrhizal fungi (AMF) are part of the microbial community of almost every plant family. It plays a vital role in plant community structure and ecosystem functioning. The present study investigated the mitigation of phytotoxic effect of Calotropis procera on morpholigical and physiological parameters of Zea mays L. using AMF. Aqueous extract of C. procera plant parts and its soil rhizosphere significantly decreased morphological and physiological parameters of Zea mays. The target plant when inoculated with AMF, its morphological and physiological parameters increased compared to Non-AMF inoculated plants. The effect was concentration-dependent. The results also indicated there is significant increase in plant shoot and root biomass, leaf area and other morphological and photosynthetic pigment activities in mycorrhizal inoculated Zea mays L. plants than those of Non-AMF inoculated plantt. Such increase in these parameters were related with the degree of AMF colonization and the level of extract concentration. Also, AMF treated plants increased the concentration of antioxidant activity in the target plant which may enhance the plants resistance against phytotoxic stress of C. procera.
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