Contact Insecticide: Ampelomyces quisqualis Ampelomyces Quisqualis: 1 × 109 CFU per gm Dr. Bacto’s Ampelo 4K has the fungus Ampelomyces quisqualis which is a naturally occurring hyperparasite bio-fungicide used for the control of powdery mildew disease. This parasitism reduces growth and may kill the mildew colony. Benefits: It is used for biological control of powdery mildew caused by several pathogenic species like Erysiphe spp., Oidium spp., Blumeria spp., Sphaerotheca spp., Leveillula spp, Microsphaera spp., Uncinula spp. Crops and Pest Groups: All Crops. Weather Condition (in general): It should be used in favorable weather conditions and should not be used in extreme weather conditions. Dosage: Foliar application: 2.5 kg in 750-850 Liter water per hectare. 250 to 500 grams per acre. Application Timing: Morning and evening hours. The stage during which pesticide should not be applied on any crop: Not to be applied during crop maturity and just before crop harvest.