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Biorub
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Rubber Pink Disease- Biological Management
BioRub
Microbial Consortium
Rubber Pink Disease is caused by a fungus Corticium salmonicolor
Berk & Br. |
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Symptoms: |
It is more damaging for plants in the age group of 2 to 12 years.
The main seat of infection is usually the fork region. White or pink
coloured cobweb mycelial growth occurs on the bark surface with
streaks of latex oozing out from the lesions. Rotting, drying up and
cracking of the affected bark will follow. Sprouts develop from
below the affected portion. The distal portion of branches dry and
dried leaves stick to the dead branches.
Management |
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Prophylactic:
Mix BioRub @ 1 Kg per 100 Kg of Neem Cake and maintain 15% moisture
and incubate in shade for 4 days. Apply treated Neem Cake @ 2 Kg per
plant and incorporate in soil.
Spraying two rounds of BioRub @ 5 g / Lt of water (during May and
August) on to the fork and branches reduces disease incidence.
For 2-year-old plants, the topmost brown portion has to be applied
with BioRub paste (20 g BioRub + about 250 g Talc powder in 1 Lt of
water ) with in a 30 cm wide band all around. The forking region
also has to be applied with the paste.
In leaning plants, in addition, a 30 cm wide band on the convex side
of the bend has to be applied.
In 3 years old plants, application has to be made on all major
forking regions except the lowermost one and also on all the leaders
of the topmost brown regions. |
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Curative:
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Follow frequent tree inspection during June to October for detecting
infection and application of BioRub paste (20 g BioRub + about 250 g
Talc powder in 1 Lt of water ) in early stage on infected part and
up to 30 cm above and below. In advanced cases, BioRub paste may be
initially applied and then the affected portion scraped to remove
mycelium and decayed bark, followed by a second BioRub paste
application. Dried branches should be pruned after disinfection. |
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BioRub : |
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BioRub is proprietary preparation of microbial consortium containing
unique strains for management of Rubber Pink Disease caused by
Corticium salmonicolor Berk & Br. |
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