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Show By Louis A. Jensen Counly Agricultural Agent Our Alfalfa Seed School held recently at Myton was a successful suc-cessful one, bringing a lot oi good information to alfalfa seed nroducers and bee keepers. For the benefit of those who were not able to attend, I will outline briefly some of the things which were covered. For controlling the common insects of this area, the following follow-ing is recommended: ALFALFA WEEVIL Early spring treatment has been the most effective. Spraying should be done when the first green shoots of the alfalfa begin to appear in the field. Apply Chlordane at the rate of IV2 to 2 pints of 75 per cent emulsion concentrate per acre, or Diel-drin Diel-drin at the rate of 1!4 pints of 18 per cent emulsion con centrate. LYGUS BUGS. APHID, ARMY WORMS, THRIP This treatment should be made in the early bud stage. It consists of DDT at the rate of 3 to 4 quarts of 25 per cent emulsion concentrate per acre, or 20 to 30 pounds of 10 per cent dust. LYGUS BUGS and GRASSHOPPERS GRASS-HOPPERS If bug populations build up to an average of 3 to 4 Lygus Bugs per stroke of the net, a second treatment is recommended. rec-ommended. If the alfalfa is in bloom, spraying or dusting should be done before 7 a. m. or after 7 p. m. Use Toxaphene-at Toxaphene-at the rate of 1 quart of 60 per cent emulsion concentrate per acre or 20 pounds of 10 per cent dust. These are essentially the same recommendations which w e r e made a year ago. It has been our experience that those who followed this program have had good insect control throughout the season. . There are many other insecticides, but these are the ones which have proven best through experimental work. It pays to let the experiment exper-iment stations test out new materials, ma-terials, rather than trying something some-thing before it is recommended and run the risk of poor insect control and low seed yields. The importance of bees as pollinators was again stressed. Wild bees are the most efficient and any seed producer who has a good supply of wild bees near his field is indeed fortunate. These are known as alkali bees and nest in holes in the ground. The areas which they inhabit should, therefore, be protected. Do not disturb the soil by plowing, plow-ing, cultivating or trampling. It may be advisable to fence the area for better protection. Those who do not have wild bees should arrange with honey producers for a good supply of honey bees. Around three colonies per acre is usually the number required to do a satisfactory sat-isfactory job under average conditions. In some areas seed producers are contracting with bee men and paying lc per pound of alfalfa seed produced per acre to the bee man. Of course, every effort should be made to protect the honey bees. This includes the use of insecticides which are the least injurious to bees. Wherever possible spraying should be dona t' before bloom. "res mustl J ter bl00mi should be m, fc-: |