Defoliants - Study guides, Class notes & Summaries

Pesticide Applicator Test Questions and Answers 100% Solved Selective Herbicides Kills some plants but cause little to no injury to others. Kills most broadleaf plants and grasses. Non-selective Herbicides Toxic to all plants. Used when living plants are undesirable. Soil Sterilants Kills all plants and prevents reestablishment of weeds Contact Herbicides Kills the plant parts on which the herbicides are deposited. Only destroys the above ground part of plants Translocated Herbicides ...

Pesticide use is controlled by both federal and state, and occasionally county or city correct answers True FIFRA is an acronym for: Federal Insecticide, Fumigation, and Rodenticide Act correct answers False FIFRA = The Federal Insecticide, Fungicide, and Rodenticide Act Plant regulators, defoliants and defoliants, and nematocides are also included in FIFRA as economic poisons correct answers True The administration of FIFRA is currently controlled by the US Department of Agricultur...

PCA Exam Defoliants Defoliation Leaf loss or leaf absicisson. In cotton production, it usually refers to leaf loss associated with application of a chemical that injures the leaf. Defoliation can also occur through natural leaf maturation and senessence, particularly with cooling weather after boll development Desiccation acclereated drying of plant tissue Harvest Aid Chemical chemicals with various modes of action that facilitate machine harvest by influencing boll opening, reduci...

Pesticides are - EXPLANATION - Substance that control pests, they may be either naturally-occurring compounds like sulfur or synthetic (i.e. man-made) compounds like the insecticide malathion. Pesticides are - EXPLANATION - 1. Compounds that control pests 2. Plants defoliants 3. Plant growth regulators 4. Adjuvants Plant defoliants are in - EXPLANATION - use to remove leaves from plants, most often to aid in the harvest of crops. Plant growth regulators (PGR) are - EXPLANATION - use...

Pest Control Exam Questions and Answers 100% Pass Pest - Correct Answer ️️ -an undesirable organism that injures humans, desirable plants and animals, manufactured products, or natural substances. pathogens - Correct Answer ️️ -disease-causing organisms, such as viruses, bacteria, or fungi Pesticide resistance - Correct Answer ️️ -When pests adapt and become resistant to a pesticide. First seen in resistance to DDT in 1947 bioaccumulation - Correct Answer ️️ -The accumu...

Federal Food, Drug, and Cosmetics Act (FFDCA) - called for reassessing existing tolerances and tolerance exemptions to ensure that they meet the legal safety standard. They govern the establishment of pesticide tolerances for food and feed products Repellents - repel insects, mites, ticks, pest vertebrates, invertebrates, birds, and mammals. Applied Controls - When humans try to eliminate pests. 1. Biological Control 2. Chemical control 3. Cultural Control 4. Genetic control 5. Mechani...

QAL & QAC Exam Questions and Answers Pesticides are -Answer-Substance that control pests, they may be either naturally- occurring compounds like sulfur or synthetic (i.e. man-made) compounds like the insecticide malathion. Pesticides are -Answer-1. Compounds that control pests 2. Plants defoliants 3. Plant growth regulators 4. Adjuvants Plant defoliants are in -Answer-use to remove leaves from plants, most often to aid in the harvest of crops. Plant growth regulators (PGR) are -Answer-...

Pesticide Applicator Exam Study Guide. Pest - answerAn undesirable organism that injures humans, desirable plants and animals, manufactured products, or natural substances Pathogens - answerDisease causing organisms Four Main Groups of Pest Organisms - answer1. Weeds 2. Invertebrates 3. Pathogens 4. Vertebrates Weed - answerUndesirable plant Invertebrate Examples - answerInsects, mites, ticks, spiders, snails, slugs Pathogen Examples - answerBacteria, viruses, fungi, nematodes, mycopla...

Pest Control Exam Questions and Answers 100% Pass Pest - Correct Answer ️️ -an undesirable organism that injures humans, desirable plants and animals, manufactured products, or natural substances. pathogens - Correct Answer ️️ -disease-causing organisms, such as viruses, bacteria, or fungi Pesticide resistance - Correct Answer ️️ -When pests adapt and become resistant to a pesticide. First seen in resistance to DDT in 1947 bioaccumulation - Correct Answer ️️ -The accumu...

Pesticide -Answer chemical substance produced and sold for the control of pest species, ending term derived from Latin "cida" meaning "to kill" although some merely inhibit development not kill FIFRA definition of Pesticide -Answer includes: defoliants, plant growth regulators, desiccants Pesticide Types -Answer Avicides Bactericides Disinfectants - (aka antimicrobials) control microorganisms Fungicides Herbicides Insecticides - insects and arthropods Defoliants - leaves/folia...