You grow palms, you finally get a hold of that holy grail palm or that one you have wanting all your eternity in palm collecting, you go through all the hoops off importing your seeds, you finally get a few to germinate and you pot them up, place them outside and then in one night all are eaten by the rats. 
So iam not sure if this product is a good alternative to trapping and killing them. 
But the Wurth company seem to make good quality products, there have been a lot of products over the years that will take your money and do nothing in return except take your money. 
So if it works it may be a great little thing for the nursery. 

I usually try to stay away from chemical warfare . My neighbor loves round up , I pull my weeds by hand . Having said that , when a certain gopher decided to make a meal out of my beloved Sabal Mauritiformis ( Marty ) , I was ready to deploy subterranean nuclear devices! I mean , I was so upset after taking weeks to slowly introduce the palm into the sun , then carefully picking a place on my hill so that I could see “ Marty “ from our deck , then watching it die , was enough to push me over the edge. Harry

3 hours ago, Harry’s Palms said:

I usually try to stay away from chemical warfare . My neighbor loves round up , I pull my weeds by hand . Having said that , when a certain gopher decided to make a meal out of my beloved Sabal Mauritiformis ( Marty ) , I was ready to deploy subterranean nuclear devices! I mean , I was so upset after taking weeks to slowly introduce the palm into the sun , then carefully picking a place on my hill so that I could see “ Marty “ from our deck , then watching it die , was enough to push me over the edge. Harry

Have a quick read of the notes it says does not contain biocidal components affecting pests or the environment, that being said sometimes enough is enough. Iam bit anti doctors drugs but hey if it’s going to cure you or save your life you gotta do what you gotta do. It’s such a shame we are land clearing and losing most of the things locked up in plants that can save the human race, lost forever a cure for diseases in one bulldozer sweep! May Marty rest in peace!

Richard