Virginia Commercial Pesticide Applicators CORE
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Terms in this set (86)
Explain the difference between key Key pests are nearly always present and require
pests, occasional pests and regular control. occasional pests are migratory or
secondary pests cyclical and require intermittent control. secondary
pests require control only under certain conditions,
such as the elimination of a key pest or the absence
of a natural host.
what should you do first if you see identify the cause
damage to a plant, animal, or
valuable product/
what should you do first if you make sure the pest is actually responsible for the
discover a pest that may need to be damage. then accurately identify the pest
controlled?
, how can pest identification help you it allows you to determine basic information about
develop a good pest control the pest, including its life-cycle and when it is most
strategy? susceptible to control measures.
name the 5 basic pest groups weeds, parasites and diseases, mollusks,
arthropods, and vertebrates.
why do weeds present such a weeds are often hardy, aggressive, and tolerant of
challenge to pest managers? harsh conditions. many produce large numbers of
seeds which can spread over a wide area and
remain dormant for a long time.
how can you tell a monocot from a monocots (sedges and grasses) have one
dicot? cotyledon, parallel leaf veins, flower parts in
multiples of 3 and fibrous roots. Dicots have 2
cotyledons, broad leaves with netted veination,
and flower parts in multiples of 4 and 5 and usually
have taproots.
name the pathogens that cause most fungi, bacteria, mycoplasma, and viruses
plant and animal diseases
what are the symptoms of viral plant stunting, yellow rings on leaves, wilting, and mosaic
diseases patterns
how do plant parasitic nematodes by attacking the roots, stems and leaves. nematode
harm plants? root feeding interferes with a plants ability to take
up water and nutrients. infected plants wilt and
seem to be suffering from a lack of water or
nutrients.
Exam questions and answers latest update
instant download
Save
Terms in this set (86)
Explain the difference between key Key pests are nearly always present and require
pests, occasional pests and regular control. occasional pests are migratory or
secondary pests cyclical and require intermittent control. secondary
pests require control only under certain conditions,
such as the elimination of a key pest or the absence
of a natural host.
what should you do first if you see identify the cause
damage to a plant, animal, or
valuable product/
what should you do first if you make sure the pest is actually responsible for the
discover a pest that may need to be damage. then accurately identify the pest
controlled?
, how can pest identification help you it allows you to determine basic information about
develop a good pest control the pest, including its life-cycle and when it is most
strategy? susceptible to control measures.
name the 5 basic pest groups weeds, parasites and diseases, mollusks,
arthropods, and vertebrates.
why do weeds present such a weeds are often hardy, aggressive, and tolerant of
challenge to pest managers? harsh conditions. many produce large numbers of
seeds which can spread over a wide area and
remain dormant for a long time.
how can you tell a monocot from a monocots (sedges and grasses) have one
dicot? cotyledon, parallel leaf veins, flower parts in
multiples of 3 and fibrous roots. Dicots have 2
cotyledons, broad leaves with netted veination,
and flower parts in multiples of 4 and 5 and usually
have taproots.
name the pathogens that cause most fungi, bacteria, mycoplasma, and viruses
plant and animal diseases
what are the symptoms of viral plant stunting, yellow rings on leaves, wilting, and mosaic
diseases patterns
how do plant parasitic nematodes by attacking the roots, stems and leaves. nematode
harm plants? root feeding interferes with a plants ability to take
up water and nutrients. infected plants wilt and
seem to be suffering from a lack of water or
nutrients.
