Cây Hoa Hồng – Rose Plant – Page 2 – AGRICULTURE
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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ROSE CANKERS
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ROSE CANKERS

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

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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ANTHRACNOSE
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ANTHRACNOSE

 ANTHRACNOSE ON ROSE PLANT CAUSAL ORGANISM: Sphaceloma rosarum: Not much is known about this disease, however, it can be severe under cool moist spring conditions. Wild rose, climbers and r
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DOWNY MILDEW
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DOWNY MILDEW

DOWNY MILDEW ON ROSE PLANT CAUSAL ORGANISM: Peronospora sparsa: Downy Mildew is a very common disease of roses which occurs under moist cloudy conditions. The disease is found throughout th
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BLACKSPOT
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BLACKSPOT

BLACKSPOT ON ROSE PLANT CAUSAL ORGANISM: Diplocarpon rosae: This disease may also be called leaf spot, leaf blotch, star sooty mold and several other names. It is the most important disease of
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BỆNH ĐỐM LÁ PHYLLOSTICTA
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BỆNH ĐỐM LÁ PHYLLOSTICTA

BỆNH ĐỐM LÁ PHYLLOSTICTA TRÊN HOA HỒNG (phyllosticta leaf spot disease) Bệnh đốm lá Phyllosticta phổ biến hơn bệnh đốm đen và thán thư đối với cây hồng, bệnh đốm lá thường bẳt đầu xuất hiện và
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