COMPREHENSIVE TEST PAPER 2026
SOLVED QUESTIONS AND CORRECT
ANSWERS EXPERT VERIFIED GRADED A+
⩥ Factors that influence weed control using soil-applied herbicides
include: Answer: kinds of weeds
•
application rates
•
application uniformity
•
herbicide solubility
•
herbicide volatility
•
rainfall
•
soil type
•
organic matter
,⩥ Factors that influence weed control using foliage-applied herbicides
include: Answer: kinds of weeds
•
application rates
•
application uniformity
•
spray additives
•
stage and rate of weed or crop growth
•
loss due to rain or degradation by sunlight
•
retention on leaves
⩥ Safe, proper use requires consideration of the following guidelines:
Answer: Selection, registered uses, and read and follow all label
directions and precautions, application rates, spray drift, 1,4-D and other
phenoxy herbicides, cleaning sprayers, sprayer nozzle tips, storage,
disposal,
⩥ Persistence of a herbicide depends on Answer: decomposition and
leaching characteristics of the chemical, soil type, rainfall, soil
temperature, soil microorganisms and application rate.
, ⩥ Application Equipment includes: Answer: low pressure sprayers and
high pressure sprayers
⩥ To manage insect pests effectively, Answer: commercial pesticide
applicators should possess basic knowledge of insect life cycles and
habits and realize it is not possible, or practical, to eliminate all insects.
⩥ Five steps to reduce insect pest problems Answer: Inspect turfgrass
regularly.
2. Learn to identify important pests and their damage.
3. Develop a sound pest management strategy.
4. Select and apply insecticides when necessary.
5. Evaluate the success of
⩥ thatch is Answer: a tightly interwoven layer of living and dead roots,
stems, leaves and stolons (underground stems) of turfgrass that develops
between green vegetation and the soil surface.
⩥ Insecticide-fertilizer combinations Answer: fertilize turfgrass and
control insects simultaneously.
⩥ Insects that damage turfgrass can be categorized as Answer:
aboveground or underground pests