Blue Alfalfa Aphid Outbreak Baffles Scientists
California entomologists wonder whether growers are using alfalfa varieties bred for resistance to blue alfalfa aphid as the pest’s populations grow, stunt alfalfa growth and reduce yields in that state and in Arizona.
They also want to know whether broad-spectrum insecticides used to control other alfalfa pests hurt blue alfalfa aphid management, as they can adversely affect natural enemy populations that manage pests
Our Readers Will Grow A Bit More Hay
About 28% of surveyed Hay & Forage Grower readers will harvest more hay or haylage acres this year than in 2012. But they'll increase their number of hay acres planted to about 2.2%.
Early Alfalfa Hay Won’t Sell High In West
Prices for first-cutting, supreme-quality alfalfa hay should range about $200-220/ton (f.o.b. stack) in many areas of the West, $220-230/ton in California’s Imperial Valley and $240-250/ton in central California, estimated Seth Hoyt.