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Ampelomyces quisqualis (1 x 108 Cells / ml)

SUN BIO AMPELO is a biological fungicide based on a selected strain of naturally-occurring beneficial fungus Ampelomyces quisqualis that protects crops from Powdery Mildew. It is used as an effective foliar spray to combat Powdery Mildew through hyper parasitism of the pathogenic disease causing fungi. It contains spores and mycelial fragments of Ampelomyces quisqualis.


  • SUN BIO AMPELO is effective against powdery mildew occurring on variety of crops.
  • Useful to manage powdery mildew in greenhouse as well as field-grown vegetable crops.
  • Unique mode of action through hyper parasitism of the pathogenic disease causing fungi.
  • Can be used in organic farming and fits perfectly into any IPM programme.
  • Helps to reduce the risk of development of strains resistant to conventional fungicides.
  • Active at lower temperatures than sulphur.
  • Reduces the disease infection level in the following year too.
  • No phytotoxicity, No pre-harvest interval and re-entry time.
  • Harmless to beneficial insects, safe to human and to the environment.

Mode of Action

Ampelomyces quisqualis is a hyper parasite of a wide range of powdery mildew fungi which penetrate the hyphal wall of a host cell and grows inside causing degradation of the cytoplasm. The hyper parasitic activity leads to the collapse of hyphal strands and death.

Substrate Competition for space and Nutrients: Ampelomyces quisqualis competes with the pathogens by colonizing a large area of the target site and competes for the plant substrates and nutrients thereby causing the pathogens to starve - Domino effect.

Mycoparasitism: Ampelomyces quisqualis being a hyper parasite penetrates the pathogen and infects it by forming pycnidia (fruiting bodies) within powdery mildew hyphae, conidiophores (specialised sporeproducing hyphae) and cleistothecia (closed fruiting bodies of powdery mildews). It derives nutrition from the target pathogenic fungus protoplasm and SUN BIO AMPELO spores multiply inside target pathogenic fungus body and eventually kills the mildew colony.

Enzyme production: Ampelomyces quisqualis produces certain enzymes which dissolve the host cell wall and penetrate and inactivate the host defense mechanism. Extracts of the fungal endophyte Ampelomyces quisqualis is known to produce 6 natural compounds that exhibit antagonistic properties to their host. They are macrosporin-7-O-sulfate, 3-O-methylalaternin-7-O-sulfate, ampelopyrone, desmethyldiaportinol, desmethyldichlorodiaportin and ampelanol.

Dosage and Method of Application


5ml SUN BIO AMPELO in one liter of water and spray early morning or late evening.


1000 ml / 5000 ml

(The product is in pipeline and tested under scientific guidance which will be made available on getting necessary permission from competent authority.)

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