This spring,I ended up with an explosion of curly leaf pondweed. I don't know if it was the mild winter, dry then wet spring, or what have you that caused my pond weeds to go nuts. There is no fertilization of fields near my watersite. I did have some recent excavation go on near my pond for a pole barn, but I don't know if that would be a factor. I also had a gopod bit of filamentous algae.
I just did my first batch of spraying with Reward last Saturday and see that I need to hit my pond again as too many plants are left standing. Still not fishable.
I did intoriduce Grass Carp last spring ('05) but they apparently are not effective as yet. I hope they can help eventually as I want to get away from pesticides.
I came across two articles on the Net that curly leaf pondweed is a seasonal plant, reaches maturity in late spring/early summer, and "breaks up and drops to the bottom by early July" where it stays dormant until the following late winter. Is anyone able to verify this and if so, should I forgo the cost of spraying a herbicide for this species at this time? I am located in northwestern PA. but I'm sure the principles apply anywhere.
Also, can anyone tell me when to expect progress with the grass carp? Thanks!
