Lemon juice-how does it work?
As I mentioned the use of organic acids to combat varroa is known from almost the very beginning of this problem in Europe. The mechanism of action of volatile acids (formic acid, oxalic acid sublimation) on mites is well understood and reduced to dust mites damage...
You forget about me. I am of Polish. The climate is definitely in our colder than in England. And I have tried this method.
Answering questions such as private use lemon juice:
mixture: 1part fresh lemon juice + 1 part sugar syrup (1:1)
dosage: 50ml per hive
timing and application method...
This is very interesting report from Italy (use google translator):
RELAZIONE DEL 1° MARZO 2011 E AGGIORNAMENTO DEL 21 MAGGIO 2011
Nuove iniziative nella lotta a “varroa destructor”
Non molti, anche tra la massa di estranei al mondo dell’apicoltura, ignorano...
I have some experience with the use of lemon juice in the fight against varroa. In my opinion the effectiveness of the treatment of winter is above 90% (amitraz fumigation confirmed two weeks later).The advantage of the oxalic acid lies in the fact that lemon juice is safe for bees used...