Quy trình sử dụng thuốc BVTV – Page 13 – Thuốc trừ sâu sinh học,thuốc trừ nấm,thuốc trừ rầy,thuốc diệt chuột
ROSE MIDGE
Cây Cảnh - Bonsai

ROSE MIDGE

Rose Midge On Friday, August 23, 1996 I visited a rose nursery in Petaluma, Sonoma County, California that was heavily infested with the rose midge, Dasineura rhodophaga (Coquillett) [Diptera...
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ROSE ROSETTE
Cây Cảnh - Bonsai

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
Cây Cảnh - Bonsai

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
Cây Cảnh - Bonsai

ROSE MOSAIC

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
Cây Cảnh - Bonsai

BACTERIAL CROWN GALL

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
Cây Cảnh - Bonsai

RUST ROSE

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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