Management Of Macrophomina Phaseolina Causing Dry Root Rot By PGPR Strains And Indigenous Composts | 10351
Journal of Ecosystem & Ecography
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Biological control of soil borne plant pathogens has been described as a safe strategy to reduce crop damage. In recent years,
considerable attention has been paid to plant growth promoting rhizobacteria (PGPR), many of which are aggressive root
colonizers and play an important role in management of plant diseases caused by soil borne plant pathogens. Besides, the
compost is also considered as a natural pesticide for soil as it is an excellent source of nutrition and moisture which favour native
antagonist to proliferate and suppress the soil borne diseases.
is a common soil pathogen which causes
charcoal rot in various economically important plant species. The present paper deals with
of PGPR strains isolated from rhizosphere soil of agriculture crops and four different composts for their potential as biocontrol
agent. The antagonistic activities were found in solid and dual liquid culture media which were further confirmed by light and
scanning electron microscopic studies. Strains were also found positive for siderophore, HCN, NH
and chitinase activities, traits
responsible for conferring the antifungal activity.
studies not only showed the reduction in disease incidence but also
the improvement in growth and yield of plants. Four indigenous composts prepared from readily available organic wastes viz.
vermicompost, banana, nadep and
were used for growth and disease suppression in mungbean. It can be concluded
from the studies that PGPR strains and composts have potential to inhibit
when supplied in agricultural
field, thereby, supporting the sustainable agriculture
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