Understanding Orius
July 12, 2024
thrips Thripor is best used with blue Horiver cards, as they are attracted to yellow Horiver cards Thripor is very sensitive to pesticides and sulphur [...] exposed to short days (less than 14 hours) and cool temperatures. In Canada, in an unlit greenhouse, when using it preventatively and wanting them to establish [...] best not to apply Thripor from the end of September to the end of March of the following year (between wk 39 and wk 12). However, they can be used year-round