Characterization Of X. Axonopodis Pv. Punicae: Bacterial Blight Of Pomegranate | 8502
Journal of Biotechnology & Biomaterials
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Incidence of pomegranate bacterial blight (teliya)
caused by Xanthomonas axonopodis pv punicae
(Xap). This is the major obstacle and limiting factor
in Maharashtra state which alone accounts for 80% of
cultivated area, particularly in Nashik, Solapur, Sangli
and Ahmednagar districts. Bacterial blight infection
results in water soaked oily spot symptoms on leaves and
fruits which consequently decreases fruit production
and market value. Severity of incidence and losses varies
among different isolates and existing climatic conditions.
In highly infected orchards the extent of damage goes as
high as 80-100%.
Although general studies on the pathology and
management of this disease conducted earlier. There is
still scanty literature known about detailed taxonomic
classification, molecular diagnosis and control practices
of this pathogen. Management of Xap can be achieved
by chemicals, but not a permanent solution and also
is not eco-friendly. It is necessary to identify the
pathovars of bacterial blight through biochemical and
molecular characterization. Along with biochemical
characterization recent techniques like RT-PCR,
multiplex-PCR, nested-PCR are helpful for this propose.
It will help to find out the role of different bio-control
agents (antibiotics and plant extracts), in order to find a
control strategy for bacterial blight.
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