• Apple collar rot

  Oomycetes and are therefore strictly speaking not fungi. They thrive at soil temperatures between 15 and 23 °C and higher water content than is optimal for crop

• Black root rot of cucurbits

  ultimately die. Black lesions with fruiting bodies occur more commonly at temperatures of approximately 20 °C whereas at 10 °C the lesions are light-brown.

• Phytophthora blight

  Oomycetes and are therefore strictly speaking not fungi. They thrive at soil temperatures between 15 and 23 °C and higher water content than is optimal for crop

• Tea spider mite

  to increased transpiration and moisture loss. Absence of shade, high temperature and dry conditions are congenial conditions for pest outbreak. Life cycle

• Aphidius colemani

  effective between 20 and 25°C (68 and 77°F). The effectivity is reduced at temperatures above 30°C/86°F. Behaviour of parasitic wasp Aphidius colemani Aphidius [...] aphids turn into golden brown mummies after 7-12 days, depending on the temperature. Four to six days later the new wasps will emerge. An adult braconid wasp

• Diglyphus isaea

  least 3 times at weekly intervals or until control is achieved. At low temperatures (<20°C/68°F) it might be better to use Minusa. Consult a Koppert advisor [...] Best conditions for Diglyphus isaea Diglyphus isaea is most effective at temperatures between 15°C and 25°C (59 and 77°F). Behaviour of the parasitic wasp

• Grapevine powdery mildew

  In spring, chasmothecia release ascospores during periods of favorable temperature and moisture, initiating primary infections on susceptible young tissues

• Deltatrap

  Use in combination with species-specific Pherodis pheromone. Storage temperature 0-32°C/32-104°F. Storage conditions Store out of sunlight. Recommended

• Neoseiulus californicus

  mites, thrips or pollen. This predatory mite is more tolerant of higher temperatures, lower humidities and pesticides than Phytoseiulus persimilis . It can [...] Neoseiulus californicus Neoseiulus californicus is most effective at temperatures between 13 and 32°C (55 and 90°F) and is sensitive to relative humidity

• Amblyseius swirskii

  Amblyseius swirskii is most effective at temperatures between 20 and 32°C (68 and 90°F). It is not effective at temperatures below 18°C/64°F. Amblyseius swirskii