I need help designing an easy to use, disposable trunk injector. I am a student at Michigan State and we are injecting a labeled pesticide into Ash trees. I am currently using a length of tubing connected at one end to a plastic reducer that is placed into the trunk - this part works great, no leaks. The other end is attached to a syringe but I am having difficulty building up enough pressure to force the pesticide into the tree. Any ideas???

does the pesticide have to be in one mass dose? Is there a posibility of doing a gradual slow flow?

We are only giving the trees a 3ml dose so the trees don't have to take up very much. I just can't get enough pressure built up to force the liquid in.

Hi. Bartlett Tree Experts lab has devloped a disposable micr injection unit. Maybe you could contact them