NJ 3b Exam Questions And Answers And Answers Verified 100% Correct

NJ 3b Exam Questions And Answers And Answers Verified 100% Correct How many fluid ounces of insecticide must be added a full tank? - ANSWER -7.5 ounces Sprayer holds 3 gal 1000/20 =50 sqft per oz 1 gal = 125 sqft of coverage 3 gal = 375 sqft of coverage 375/50 =7.5 Insecticide recommendation call for 20 fluid ounces of product to be mixed in enough water to cover 1,000 Sqft Sprayer delivers 2 gal of water over an area of 250 sqft Sprayer will hold 3 gal of water How much area will 3 gallons of spray mixture cover? - ANSWER -375 sqft 250/2 =125 125x3=375 When calibrating a rotary spreader, it is important to check both the application rate and the pattern - ANSWER -True Insect piercing and sucking damage to plants may be done by both nymphs and adults . - ANSWER -True An insect that has both nymphs and adults is the- - ANSWER -European spruce gall adelgid Scale insects feed upon plants and do damage by - - ANSWER -Sucking On a leaf heavily infested with aphids , mature females can be found - ANSWER with wings and without wings The adult birch leaf miners make openings in leaves to - - ANSWER -lay eggs When shrubs are killed by the black vine weevil it is chiefly the result of feeding by - - ANSWER -larvae A caterpillar is a larva of a - - ANSWER -moth A nymph is a life stage of an - - ANSWER -aphid A maggot is an immature - - ANSWER -fly Both the spring cankerworm and the fall cankerworm damage trees in the spring and early summer . - ANSWER -True The following insects are turf pests and should be used in ANSWERing the first four ques- tions - ANSWER -sod webworm The insect larva which feeds mostly on the leaves of turf is the - - ANSWER -sod webworm The insect larva which feeds mostly on roots of turf is - - ANSWER -Japanese beetle The insect adult which feeds mostly on leaves of turf is - ANSWER -anual bluegrass weevil The insect adult which feeds mostly on stems of turf is - ANSWER -Chinch Bug Leaves and stems chewed off just above the grass crown indicates feeding by - - ANSWER -sod webworm A weed is - - ANSWER -a plant growing where it's not wanted A weed that germinates and grows during the fall to flower the following spring is called - - ANSWER -a winter annual Perennial weeds may be easier to control than annual weeds in a situation where ger- mination is continuous . - ANSWER -True leaves 1-1 / 2 " to 4 " long which becomes red that has 3 ovate An example of a weed or reddish yellow in fall is- - ANSWER -poison ivy and rhizomes is - A perennial weed which reproduces by seeds - ANSWER -hedge bindweed The weed which is perennial and reproduces by seed is- - ANSWER -quack grass A biennial weed is one that germinates and grows to develop flowers the first season with full maturation and seed development the second season . - ANSWER -False Yellow foxtail can be a winter annual , bien- nial , or perennial . - ANSWER False Some weeds can survive cultivation equip- ment which cuts the roots into pieces by the root pieces growing into new plants ; an example of a weed like this is - - ANSWER -quack grass The chief reason why perennial weeds aremore difficult to kill than annual weeds is - ANSWER -they have more underground food reserve Annual bluegras reproduces by - ANSWER -seeds Veronica weeds can be annuals or perenni- als . - ANSWER -True Plaintain - ANSWER -is perrennial and propagates by seed