KỸ THUẬT TRỒNG BƯỞI - Nơi Chia Sẻ Tất Cả Kinh Nghiệm Trồng Cây Bưởi

Tháng Sáu 9, 2017

ROSE MIDGE

Rose Midge On Friday, August 23, 1996 I visited a rose nursery in Petaluma, Sonoma County, California that was heavily …

Tháng Sáu 9, 2017

Tháng Sáu 9, 2017

SCALE INSECTS ON ROSE PLANT

Tháng Sáu 9, 2017

Tháng Sáu 9, 2017

ROSE ROSETTE ON ROSE PLANT CAUSAL ORGANISM: This “disease” appears to be vectored by a blister mite but the causal …

Tháng Sáu 9, 2017

ROSE SPRING DWARF DISEASE CAUSAL ORGANISM: A virus is suspected in causing this disease. SYMPTOMS: Rose mosaic usually appears in …

Tháng Sáu 8, 2017

ROSE MOSAIC ON ROSE PLANT CAUSAL ORGANISM: Prunus Necrotic Ringspot Virus: Mosaic is probably the most commonly found virus on roses …

Tháng Sáu 8, 2017

BACTERIAL CROWN GALL ON ROSE PLANT CAUSAL ORGANISM: Agrobacterium spp: This is really the only serious bacterial disease of Rose. The …

Tháng Sáu 8, 2017

RUST ON ROSE PLANT CAUSAL ORGANISM: Phragmidium spp: The rust of rose is one of the most commonly found and easily …