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News and information from UC Cooperative Extension about alfalfa and forage production.
Tractor & Hay bales
Comments:
by Shannon C. Mueller
on April 28, 2013 at 5:16 PM
When I was looking at a field in Dos Palos, there were lots of aphids that were strong and healthy, but I also saw some that had been parasitized and some that were pink or a rust color. I thought the pink form was uncommon and a pea aphid, not a blue alfalfa aphid. Pete sent me some photos from the web that shows the pink and rust colors. I am now convinced the aphids were in various stages of decline after being infected by a fungal disease (Erynia neoaphidis. Thanks Pete!
by puns
on April 29, 2013 at 12:12 AM
Hey Peter, you have an excellent initiative in-hand i.e Blue Alfalfa Aphid outbreak and future action!  
All the best !  
http://a-1fenceproducts.com/
 
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