Phyllopsheric Trichoderma Spp: As A New Entrant For Managing Foliar Phytopathogens | 40653
Journal of Biotechnology & Biomaterials
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Sustainable approach by employing biological control strategies to manage the losses caused by phytopathogens has been
proposed as a silver lining to beget the lost ecological homeostasis. Keeping track to the climatic change in the environment
leading to aberrant harm to agriculture, BCAs that are efficient abiotic stress tolerant apart from possessing antagonistic ability
should be opted. The microbial community dwelling at the phylloplane of the leaves cope directly with the environmental
alterations. And hence are more stress tolerant than those found at the rhizospheric region of the plants. A study was carried
out to compare the ability of the Trichoderma isolates obtained from the phylloplane of healthy chilli leaves with those obtained
from the rhizospheric region in terms of providing better protection against the anthracnose causing pathogen, Colletotrichum
capsici. Interesting results were obtained which supported the possibility of using phyllospheric Trichoderma isolates against
the anthracnose causing pathogen. The screened Trichoderma isolates obtained from the phyllosphere region were found to
show elevation in induction of defense networking in host chilli plants akin to that shown by the rhizospheric Trichoderma
isolates as evident by HPLC phenolic profiling, defense gene expression studies and histochemical staining procedures. The
increment in phenolic and defense related enzymes suggested the direct influence of the antagonist on the induction of defense
response of the plant on pathogen challenge. The study suggests the benefit of incorporating phyllospheric Trichoderma isolates
for providing a dual protection to plants against foliar pathogens along with better survivability to the prevalent climate change.
Amrita Saxena has recently completed her PhD from Banaras Hindu University. She is a Gold Medalist in her Post graduation studies. She has published research papers in reputed journals and serving as an Editorial Board Member of repute.