Talstar P (Talstar One) kills insects as they come into contact with the treated area (perimeter, bushes, lawn, ornamentals, baseboards, around windows, doors)
Talstar is not labeled for cankerworms. The most widely recommended product to use for cankerworms is Bacillus thuringiensis, or B.t. A product like Monterey B.t. Insecticide may be a better option for you. There is a great article here on the treatment and prevention of cankerworms.
As long as you follow instructions for each product you can tank mix Talstar P (Talstar One) with a fungicide. Applications to blooms should be avoided.
Talstar P (Talstar One) should be used within 24 hrs of mixing with water and then discarded.
You should use Talstar P (Talstar One) within 24 hours of mixing.
Most insecticides and herbicides are able to be tank mixed together, just make sure you follow each product label instructions for "tank mixing" instructions. You would want to keep kids out of the area while treating, they can return once the are has completely dried
Talstar P is mixed at 1 fl oz (2TBSP) per gallon of water per 1,000 sq ft.
Talstar P should be applied at least 5 feet away from a well.
It should not harm anything to apply Talstar at this rate one time. We recommend that you wait for 30 days outside (90 days inside) to reapply at the rate of 0.5-1 oz per gallon of water.