Good Fruit Grower

March 1

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LAST BITE How did you do? Find the answers on page 45 of this issue. Do you know your pests? In which plant has the brown marmorated stinkbug been most commonly found in Oregon? a. Tree of heaven b. Hop c. Cherry d. Holly e. Grape Which of the following features cannot be used to distinguish spotted wing drosophila from the common fruit fly? a. Dark bands on the forelegs b. Spots on the wings c. Larger size of female d. Red eyes e. Serrated ovipositor of female Which of the following pesticide classes is the most rainfast? a. Organophosphates b. Carbamates c. Spinosyns d. Neonicotinoids e. Pyrethroids f. Avermectins Fruit damage by apple weevil adults resembles: a. Bitter pit b. Frost injury c. Bruising d. Pink end What density of traps is recommended in California and Washington for monitoring grape mealybug in vineyards? a. 1 per 30 acres b. 3 per acre c. 10 per acre d. 1 per 10 acres Which is the most cost-effective way to control gophers? a. Trapping plus fumigation b. Gas explosive device c. Baiting 46 MARCH 1, 2013 GOOD FRUIT GROWER Mating disruption is used to control codling moth on how many acres worldwide? a. 1 million b. 500,000 c. 350,000 d. 100,000 Which of the following pesticides is the odd one out in terms of mode of action? a. Actara (thiamethoxam) b. Assail (acetamiprid) c. Rimon (novaluron) d. Clutch (clothiadim) e. Calypso (thiacloprid) One barn owl can eat how many pocket gophers per year? a. 15 b. 155 c. 285 b. 500 What���s the best location for a bat house? a. The side of a building b. In a tree c. On a pole d. On the ground e. On a roof www.goodfruit.com

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