WorksheetsCitrus Root Weevil Quiz
Total questions: 10
Worksheet time: 5mins
Which species of citrus root weevil is known for being flightless and must crawl up the trunk?
Diaprepes abbreviatus
Pachnaeus litus
Artipus floridanus
Asynonychus godmani
What is the most visible plant damage caused by adult weevil feeding?
Leaf discoloration
Notching of leaf margins
Root rot
Stem breakage
What is the role of foliar sprays in pest management of citrus root weevils?
To improve soil drainage
To target adult weevils in the tree canopy
To enhance rootstock resistance
To increase soil fertility
What is the effect of adding petroleum oil to the spray mixture?
It enhances the growth of citrus trees
It affects the bonding characteristics of the substance bonding the egg mass to the leaf
It increases the number of larvae
It improves the taste of citrus fruits
What is the role of a chemical barrier in citrus production?
To enhance the growth of citrus trees
To provide a treated surface that will kill newly hatched invasive larvae
To improve the taste of citrus fruits
To increase the number of larvae
Why is timing important when applying chemical treatments for larval entry into the soil?
To enhance the growth of citrus trees
To ensure the highest larva recruitment occurs just after peak adult emergence
To improve the taste of citrus fruits
To increase the number of larvae
What is the recommended use of nematode products for citrus root weevil control?
Apply during dry soil conditions
Apply in sandy soils with coarse soil texture
Apply in fine-textured soils at recommended rates
Apply only in the winter season
What is the maximum amount of pesticide required to treat mature citrus trees?
As specified on the label
10 liters per acre
5 liters per acre
15 liters per acre
What is the mode of application for Imidan 70 WP?
Soil barrier
Foliar spray
Microirrigation
Herbicide boom
Which pesticide is noted to potentially increase spider mite populations?
Nemasy's R
Brigade WSB
Sevin 4F + Petroleum Oil
DantioI 2.4 EC
