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Cây Hoa Hồng

Home Quy trình sử dụng thuốc BVTV Cây Cảnh - Bonsai Archive by category "Cây Hoa Hồng" (Page 2)
ROSE ROSETTE
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ROSE ROSETTE

Posted On June 9, 2017 at 7:12 am by / Comments Off on ROSE ROSETTE

ROSE ROSETTE ON ROSE PLANT CAUSAL ORGANISM: This "disease" appears to be vectored by a blister mite but the causal agent has not been identified. Some plant pathologists think that it is a ...
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ROSE SPRING DWARF DISEASE
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ROSE SPRING DWARF DISEASE

Posted On June 9, 2017 at 7:01 am by / Comments Off on ROSE SPRING DWARF DISEASE

ROSE SPRING DWARF DISEASE CAUSAL ORGANISM: A virus is suspected in causing this disease. SYMPTOMS: Rose mosaic usually appears in spring as a distortion of growing tips or expanding leav...
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ROSE MOSAIC
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ROSE MOSAIC

Posted On June 8, 2017 at 7:37 pm by / 136 Comments

ROSE MOSAIC ON ROSE PLANT CAUSAL ORGANISM: Prunus Necrotic Ringspot Virus: Mosaic is probably the most commonly found virus on roses but many other virus diseases also exist. While mosaic is
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BACTERIAL CROWN GALL
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BACTERIAL CROWN GALL

Posted On June 8, 2017 at 6:50 pm by / 242 Comments

BACTERIAL CROWN GALL ON ROSE PLANT CAUSAL ORGANISM: Agrobacterium spp: This is really the only serious bacterial disease of Rose. The bacteria is found world wide wherever roses are grown a...
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RUST ROSE
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RUST ROSE

Posted On June 8, 2017 at 6:22 pm by / 72 Comments

RUST ON ROSE PLANT CAUSAL ORGANISM: Phragmidium spp: The rust of rose is one of the most commonly found and easily identified diseases of rose. Severe outbreaks occur where cool temperatures
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ROSE CANKERS
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ROSE CANKERS

Posted On June 8, 2017 at 5:42 pm by / 113 Comments

ROSE CANKERS ON ROSE PLANT CAUSAL ORGANISM: Coniothyrium spp: After a long cold wet winter, roses can be expected to have some dead and cankered canes. While these pathogenic fungi are not ve
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BOTRYTIS BLIGHT
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BOTRYTIS BLIGHT

Posted On June 8, 2017 at 1:54 pm by / 130 Comments

BOTRYTIS BLIGHT ON ROSE PLANT CAUSAL ORGANISM: Botrytis cinerea: Botrytis blight is common in all parts of the world. This fungus is not a specific pathogen and can take advantage of many s...
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