MARYLAND PESTICIDE APPLICATOR TRAINING EXAM GRADED A+

APPLICATION RATE - ANSWER-THE AMOUNT OF PESTICIDE THAT IS APPLIED TO A KNOWN AREA, SUCH AS AN ACRE OR 1,000 SQUARE FEET OR LINEAR FEET UNIFORMITY OF DISTRIBUTION - ANSWER-A UNIFORM SPRAY PATERN, EVEN SPACING AND PROPER HEIGHT TO GIVE UNIFORM COVERAGE. UNIFORMITY IN CONCENTRATION SOIL INTERCEPTION - ANSWER-AN EVEN, UNIFORM SURFACE, FREE OF CLODS, MANURE, PLANT LITTER AND OTHER DEBRIS WILL HELP ENSURE A GOOD DISTRIBUTION PATTERN INTERCEPTION BY LEAVES - ANSWER-THE ANGLE FORMED BETWEEN THE LEAF AND STEM, DEGREE OF HAIRNESS, EXPANSION, AND RATIO OF LEAF AREA TO DRY WEIGHT VARY. RETENTION - ANSWER-KEEPING SPRAY DROPLETS ON THE LEAF IS AN IMPORTANT CONSIDERATION ONCE CONTACT WITH TH LEAF HAS BEEN MADE. THE TYPE OF LEAF SURFACE WILL EFFECT RETENTION WEATHER CONDITIONS - ANSWER-RUNOFF CAN RESULT IF RAIN OCCURS DURING OR SHORTLY AFTER APPLICATION. 1 TO 2 HOURS WITHOUT RAIN IS ENOUGH TIME FOR PENETRATION. PHYSICAL MOVEMENT - ANSWER-WIND AND WATER CAUSE RUNOFF OR MOVEMENT FROM TRAGETED AREA. MOVEMENT IS TOWARD DEPRESSIONS, CAUSING INCREASED CONCENTRATIONS VOLATILITY - ANSWER-A measure of how quickly a material passes into the vapor or gas state; the greater the volatility, the greater its rate of evaporation PHOTODECOMPOSITION - ANSWER-chemicals adhereing to foliage are broken down by sunlight. SOLUBILITY - ANSWER-THE ABILITY OF A CHEMICAL SUCH AS A PESTICIDE TO DISSOLVE IN A SOLVENT, USUALLY WATER OR SOME OTHER LIQUID CARRIER MOVEMENT IN SOIL - ANSWER-WATER TRANSPORT PROVIDES FOR THE GREATEST AMOUNT OF HERBICIDE MOVEMENT IN THE SOIL.