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

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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 P 1 (128.87 KiB) Viewed 13 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 82. 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 83. When a weed evolves resistance to 2 or more herbicides with different mechanisms of action it is called: a. dual resistance b. cross resistance to 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 85. 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 86. A commonly used herbicide for weed control in lettuce is: a. Simazine b. Dicamba c. Kerb d. Alion 87. A fairly new organic herbicide is: a. Osprey b. Suppress c. Shark d. Mesotrione 88. The automated vegetable crop transplanter discussed by the guest lecture was called: a. Robovator b. Plant Tape c. Blue River d. Ag Mechtronix 89. The guest speaker, Mr. Kurt Hembree mentioned that it is important for an applicator to have two things, the Teejet Nozzle/Spray book and: a. Anemometer b. Tensiometer c. pH meter d. Windometer 90. According to the guest speaker, Dr. Sosnoskie, which of these weed species can be a host for the silver leaf whitefly which can cause sticky cotton? a. Puncturevine b. Palmer amaranth c. Field Bindweed d. Fiddleneck 91. 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 d. >6 inches deep 92. The individual active ingredient with the greatest number of resistant weeds is: a. glyphosate b. 2,4-D e. atrazine d. paraquat 93. One concern of herbicide-resistant crops is the movement of pollen from the crop to the weed, the process is called: b. gene pollution c. pollen mixing a. gene flow d. pollen contamination 94. 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 e. glufosinate and dicamba 6