green mold (Penicillium digitatum) in Southern Plant Diagnostic Network

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Imazalil-sensitive <em>Penicillium digitatum</em> on imazalil-treated lemon.  Note the sporulating area.  This was isolated and found to be imazalil-resistant. Was this the result of a mutation or a contaminant? May 1994

Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org

Imazalil-sensitive Penicillium digitatum on imazalil-treated lemon.  Note the sporulating area.  This was isolated and found to be imazalil-resistant. Was this the result of a mutation or a contaminant? May 1994

Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org

Green mold of lemon 5 to 7 days following inoculation and storage at 15C. Note the different zones of disease progress: sporulation at center and advancing mycelium.  Little to no watersoaked host tissue in contrast to blue mold. May 1994 

Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org

Green mold of lemon 5 to 7 days following inoculation and storage at 15C. Note the different zones of disease progress: sporulation at center and advancing mycelium.  Little to no watersoaked host tissue in contrast to blue mold. May 1994 

Grapefruit infected with green mold.

Scott Bauer, USDA Agricultural Research Service, Bugwood.org

Grapefruit infected with green mold.

Lemons were inoculated with imazalil-sensitive isolate of <em>Penicillium digitatum </em>48 h prior to treatment with the fungicide imazalil.  Shows curative action of imazalil. April 1992

Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org

Lemons were inoculated with imazalil-sensitive isolate of Penicillium digitatum 48 h prior to treatment with the fungicide imazalil.  Shows curative action of imazalil. April 1992

green mold (<em>Penicillium digitatum</em>) asexual spore

Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org

green mold (Penicillium digitatum) asexual spore

Green mold of lemon showing soiling of adjacent fruit and what appears to be spread by contact (nesting). Note also the presence of whisker mold (<em>Penicillium ulaiense</em>) March 1994

Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org

Green mold of lemon showing soiling of adjacent fruit and what appears to be spread by contact (nesting). Note also the presence of whisker mold (Penicillium ulaiense) March 1994

Green mold of lemon showing soiling of adjacent fruit. March 1994

Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org

Green mold of lemon showing soiling of adjacent fruit. March 1994