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Biocontrols For The Greenhouse

Penn State University regional horticulture educator Steve Bogash has compiled a list of biological fungicides and bactericides that can be used in the greenhouse.

February 23, 2011

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Current Biological Fungicides & Bactericides

Material/
Active Ingredient
or Organism  

 Labeled
Diseases
Controlled		 Foliar or Soil
Application		 Mode of
action
Actinovate AG/
Streptomtces lydicus		 Fusarium,
Rhizoctonia,
Pythium,
Phytophtora,
Verticillium		 Foliar & soil drench Defensive barrier
& parasitism 
Companion/
Bacillus subtilis GB03		 Rhizoctonia,
Pythium,
Fusarium,
Phytophtora		 Soil drench Defensive barrier
& antibiosis
Mycostop/
Streptomyces griseoviridis K61

Fusarium,
Alternaria,
Botrytis,
Pythium,
Phytophtora,
Rhizoctonia

 Foliar, soil drench
& seed treatment		 Defensive barrier
& growth
enhancer
Plantshield & Rootshield/
Trichoderma harzanium T-22		 Botrytis,
Powdery Mildew,
Pythium,
Rhizoctonia,
Fusarium,
Thielaviopsis		 Foliar & soil drench Defensive barrier,
parasitism &
nutrient enhancer
Rhapsody/
Bacillus subtilis QST 713		 Rhizoctonia,
Pythium,
Fusarium,
Phytophthora		 Foliar, soil drench
& postharvest cut
flower dip		 Defensive barrier
(multiple modes
of action)
SoilGard 12G/
Gladicladium virens GL-21

Pythium,
Rhizoctonia

 Soil drench Defensive barrier,
parasitism
& antibiosis

 

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