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A slightly raised blistered on upper
leaf, later leaves become twisted and
covered with a white powder mass.
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Dormant pruning and cleaning up
old leaves, sanitation is best
control.Spray Triforine or
Immunox, dust with sulphur or
spray with baking soda and soap.
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Small black spots in circular
appearance on leaves, later
defoliation.
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Dormant pruning, removal cleaning
up old leaves, well dormant
lime-sulphur spray, spray with
Neem oil, Daconil, Immunox,
Systemic sprays during growing
season.
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Young leaves, stems and flowers
may have purple to red or brown
irregular spots, later lesions on
leaves become angular and black
with white powder on underside of
leaf.
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Good ventilation, removal of all
dead leaves around the bush and on
the bush. Use Daconil, Immunox,
and Systemic sprays during
growing season.
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Cut stems provide wound sites for
yellow, often have red spots and
later become brown or black.
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Removal of dead canes, make
angular cuts, spray with Immunox,
Daconil, Systemic sprays during
growing season.
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Occurs during cool and moisture
weather, appears as orange to rust
colored spots on leaves, usually
close to the ground.
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Removal of all leaves from around
the base of plants and pruning out
canes that have infections, use
same spray program as black spot.
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Overgrowths at the crown, bud
union or on the roots, spongy feel,
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Remove the rose bush and all the
soil surrounding the bush
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Leaves will appear to be wavy and
have yellow lightening patterns, oak
leaf patterns or simply gold to
yellow veins.
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Remove the rose bush and all the
soil surrounding the bush.
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