81. Populations of hairy fleabane in the Fresno county area are generally resistant to both glyphosate and: a. 2,4-D b.

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81 Populations Of Hairy Fleabane In The Fresno County Area Are Generally Resistant To Both Glyphosate And A 2 4 D B 1 (205.17 KiB) Viewed 14 times

81. Populations of hairy fleabane in the Fresno county area are generally resistant to both glyphosate and: a. 2,4-D b. Paraquat c. Glufosinate d. Simazine 32. When a weed evolves resistance to 2 or more herbicide families with same mechanism of action, it is called: a. dual resistance b. cross resistance c. multiple resistance d. disobedience 33. When a weed evolves resistance to 2 or more herbicides with different mechanisms of action, it is called: a. dual resistance b. cross resistance c. multiple resistance d. disobedience 84. There are six problem glyphosate-resistant weeds in orchards in vineyards of California which include horseweed, hairy fleabane, Palmer amaranth, junglerice, ryegrass and which of the below? a. Johnsongrass b. Barnyardgrass c. Annual bluegrass d. Crabgrass 35. The term used to describe changes in the frequency of weeds in a population in response to a management practice is: a. weed tolerance b. weed resistance c. weed species shift d. weed adaptation 6. A commonly used herbicide for weed control in lettuce is: a. Simazine b. Dicamba c. Kerb d. Alion 7. A fairly new organic herbicide is: a. Osprey b. Suppress c. Shark d. Mesotrione 8. The automated vegetable crop transplanter discussed by the guest lecture was called: a. Robovator b. Plant Tape c. Blue River d. Ag Mechtronix 9. The guest speaker, Mr. Kurt Hembree mentioned that it is important for an applicator to have two nings, the Teejet Nozzle/Spray book and: a. Anemometer b. Tensiometer c. pH meter d. Windometer 0. According to the guest speaker, Dr. Sosnoskie, which of these weed species can be a host for the ilver leaf whitefly which can cause sticky cotton? a. Puncturevine b. Palmer amaranth c. Field Bindweed d. Fiddleneck 1. In a no-till system, where would you expect to find the most weed seeds in the soil? a. Top 2 inches b. 2-4 inches deep c. 4-6 inches deep >6 inches deep 2. The individual active ingredient with the greatest number of resistant weeds is: a. glyphosate b. 2,4-D c. atrazine d. paraquat 3. One concern of herbicide-resistant crops is the movement of pollen from the crop to the weed, the rocess is called: b.gene pollution c. pollen mixing d. pollen contamina 4. SmartStax technology combines the ability to tolerate which of these herbicide types? a. glyphosate and 2,4-D b. glyphosate and dicamba c. glyphosate and glufosinate c. glufosinate and dicamba a. gene flow