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Prescott Orchid Lady | all galleries >> My orchids >> Virus in Orchids >> Symptoms NOT caused by virus > Phal with unknown disease- suspect secondary infection from temperature damaged neem oil IMG07003
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06-MAR-2006

Phal with unknown disease- suspect secondary infection from temperature damaged neem oil IMG07003

Sigma SD10
1/125s f/8.0 at 50.0mm iso200 with Flash full exif

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Passerby 20-Feb-2017 16:57
Secondary infection is a misused term. An infection secondary to damages or existing infection is not a secondary infection. The secondary infection occurs when spores, mycelia, etc. from the primary infection infect the same plant.