. Cranberries; : the national cranberry magazine. Cranberries. production, including insect conbt>l. rie and his partner, Jack Dean, operate 31 acres of bogs with the help of one full-time employee, John Hoga, and McMahon's two sons, Mark and Jerjry, part-time. All their production is contracted to Oc^n Spray. McMahon grows flood- harvested cranberries in bogs ranging in age from 1 to 38 years achieve full production in about seven years, although some berries are harvested in the thiijd season. Aifter harvest, bogs and dittoes sure cleaned and cross- ruqners are pruned and irriga
. Cranberries; : the national cranberry magazine. Cranberries. production, including insect conbt>l. rie and his partner, Jack Dean, operate 31 acres of bogs with the help of one full-time employee, John Hoga, and McMahon's two sons, Mark and Jerjry, part-time. All their production is contracted to Oc^n Spray. McMahon grows flood- harvested cranberries in bogs ranging in age from 1 to 38 years achieve full production in about seven years, although some berries are harvested in the thiijd season. Aifter harvest, bogs and dittoes sure cleaned and cross- ruqners are pruned and irrigation systems are protected for] winter. McMahon continues bog cleaning and irrigation equipment maintenance throughout the winter months. In November or December, they apply herbicides for purple aster and grass control and prepare for! control of frost, which norinally begins in February or Maj-ch and may continue until Jurie. "Our system is automated with thermostats that will start the I sprinklers anytime low temperatures threaten the vinles," McMahon explains. Ilk May, McMahon applies SO- SO of potash, 60-80 of potassium magne- sium sulfate and begins application of 5 of ammonium sulfate for nitrogen. He continues to add nitrogen as the Icrop needs it. "May also brings on the bugis," McMsdion says. The fireWorm eats out the bud on top of the upright vines and the bogs tuni reddish in color. And cutirorm and cranberry girdler infestations begin to ; iVo years ago, McMahon tried a new insecticide, Lorsban 4E,! applying the compound through his sprinkler system in latd May the first year and in Junje last season. He appUed 3. FRED COX, Bandon, Ore., cranberry grower, found success using Lorsban last year to control cranberry girdler and cutworms in his bogs. ( Henry photo) pt. ber acre in 100 gal. of water periacre. " Ye turn the pumps on, apply the insecticide for 15 minutes and then flush the system thorou
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