hanging cm traps
I think I already posted on this but can't find it, duh!
So here goes: when should the pheromone monitoring traps be hung in apple trees to catch the 1st flight in order to establish biofix and subsequently know when to start spraying? I'm sure some of the suggestions like from U of CA don't necessarily apply to my location. Is there a tree growth stage like pink or 1/2" green to go by?