DIỆT TRỪ ỐC SÊN CHO HOA LAN
Ốc sên vỏ nâu, sên trần nhỏ và sên trần lớn, những con vật tưởng chừng vô hại, nhưng trên hoa màu nói chung và lan nói riêng, chúng đều gây ra các tác hại không nhỏ
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JAPANESE BEETLES
JAPANESE BEETLES
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HOPLIA BEETLES
HOPLIA BEETLES
Hoplia beetles are close relatives of the dreaded Japanese and Chinese Beetles. They are day flyers and prefer the flowers of white to whitish flowers. The adults are small about 1
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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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GRASSHOPPERS AND RELATED INSECTS ON ROSES
GRASSHOPPERS AND RELATED INSECTS ON ROSES
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SCALE INSECTS
SCALE INSECTS ON ROSE PLANT
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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
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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