Molecular Microbiology Research 2024, Vol.14, No.5, 248-258 http://microbescipublisher.com/index.php/mmr 252 Figure 2 Mechanistic figure representing microbes mediated resistance and secondary metabolite enhancement by uplifting microbial community structure and function of B. monnieri rhizosphere against nematode stress (Adopted from Gupta et al., 2019) 4.2.3 Competition for nutrients and space Competition for nutrients and space is a fundamental mechanism by which beneficial microbes suppress pathogenic organisms. Organic amendments have been shown to reduce the relative abundance of plant pathogenic fungi like Fusarium in the kiwifruit rhizosphere, while simultaneously increasing the abundance of beneficial bacteria such as Burkholderia and Devosia (Liu et al., 2020). This competitive exclusion helps in maintaining a healthy microbial balance, thereby protecting the plant from potential pathogens. 4.3 Stress tolerance Rhizosphere microbial interactions also play a significant role in enhancing the stress tolerance of kiwifruit plants. For instance, intercropping with Vicia sativa L. has been shown to improve soil moisture and nutrient content, which are critical for young kiwifruit plants facing drought and low nutrition stress (Qiuping et al., 2021).
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