Which of the following factors that affect selectivity are not true?

Weeds are a problem because…

Desiccant:

______ are plants that grow from seeds that sprout in the spring. They grow, mature, produce seed, & die before winter. Examples: Crabgrass, Foxtail, Cocklebur, Pigweed, & Lambs Quarter.

Fumigants:

Acaricide controls:

Avicide Controls:

Which of the following Life Cycle terms is correct?

T/F Two or more pesticides can be mixed together to control a wider range of pests with a single application as long as they are said to be non compatibile with each other.

Which of the following factors DO NOT affect a plant’s susceptibility to herbicides?

T/F Selective herbicides are used to kill weeds without significant damage to near by plants.

T/F Generally, the more similar the desirable plant & weed species are to one another, the more difficult weed control becomes. For example, broadleaf weeds are most difficult to control in broadleaf crops, & grass weeds are often difficult to control in grass crops.

Selective:

Allows pesticide to stay on the treated surface.

Antitranspirant:

______ herbicides are used to reduce weed competition in crops, lawns, & ornamental plantings.

Reduces drift:

Pheromones:

Miticide controls:

T/F Preplant is used before the crop is planted.

Rodenticide controls:

Which of the following are chemicals that change plant processes?

Which of the following are land plant weed classifications?

Any plant can be considered a weed when…

Pests can be placed in four main categories:

Which of the following Life Cycle terms is correct?

Insecticide controls:

Which of the following is NOT a factor that affects pesticide activity?

T/F Nonselective herbicides are chemicals that kill all plants present if applied at an adequate rate. They are used where no plant growth is wanted.

______ is NOT a cultural control method.

______ will speed up, stop, retard, prolong, promote, start, or in some other way influence vegetative reproductive growth of a plant.

Reduces phytotoxicity of pesticide to protected crop.

T/F Preemergence: used after the weeds have emerged.

Allows pesticide to form a uniform coating layer over the treated surface.

The ______ & ______ of application of are critical.

T/F An adjuvant is an inert material added to a pesticide formulation or tank mix to increase the effectiveness of the active ingredient.

Anticoagulants:

Translocated Herbicides:

Allows wettable powders to mix with water & stick on plant or animal surfaces.

Herbicide controls:

______ causes the leaves to drop from plants without killing the plants.

Plant Growth Regulator:

Stomach Poisons:

T/F Some pesticide labels list other pesticides with which the product is compatible. Be careful with do-it-yourself mixes; they could cost you time & money.

Protectants:

T/F Pesticide users are required by law to comply with all the instructions & directions for use in pesticide labeling.

T/F High rates of selective herbicides usually will injure all plants at the application site.

To be classified as an insect, all adult insects must have three pairs of jointed legs & have what three main body regions?

Aids in combining pesticides effectively.

Reduces drift by increasing droplet size.

Pathogens that cause plant disease are parasites that live & feed on or in host plants. They can be passed from one plant to another. What are the three factors that are required before a pathogenic disease can develop? This is called the disease triangle.

Allows water-based pesticides to mix with petroleum carrier.

It is important to remember that not all pesticides work well in combination. Pesticides that are not compatible can cause all of the following except:

T/F Contact herbicides kill only the plant parts which the chemical touches.

Predacide:

According to this source, a pest is anything that: (Select all that apply)

Molluscicide:

______ is NOT a cultural control method.

You are responsible for applying only registered pesticides. You may encounter three major types of registration. Which one of the following is NOT considered one of the three major types of registration?

T/F Herbicide activity is either selective or non selective.

T/F Some nonselective herbicides can be used selectively by applying them at a lower rate.

Which of the following Life Cycle terms is NOT correct?

Piscicide controls:

Weed Control Strategy: A plan to control weeds may include all of the following except:

Which of the following factors do not affect a plant’s susceptibility to herbicides?

Nematicide controls:

______ weed control usually involves the use of insects and disease-causing agents, which attack certain weed species.

which of the following are NOT insect like pests?

Which of the following Life Cycle terms is correct?

All plants have four stages of development, which of the following are correct?

Systemics:

T/F Indoor vertebrate pest control usually is aimed at preventing pest entrance & eradicating pest infestations.

Nonselective:

T/F An aspect of sanitation is NOT allowing existing weeds to produce seed & by cleaning equipment between fields.

Which of the following is NOT considered a Life Cycle of Plants?

Allows the pesticides to get through the outer surface to the inside of the treated area.

Fungicide controls:

T/F Herbicide selectivity does not vary according to the application rate.

T/F Pesticides are chemicals used to destroy, prevent, or control pests. They also include chemicals used to attract or repel pests, & chemicals used to regulate plant growth or remove or coat leaves.

Contacts:

Reduces foaming of spray mixtures that require vigorous agitation.

Allows petroleum-based pesticides (EC’s) to mix with water.

T/F Chemicals used to control weeds are called herbicides. Herbicides do not kill plants by contact, they only kill by systemic action.

Allows mixing of pesticides of different acidity or alkalinity.

T/F Chemicals that change the plant process must be measured carefully because they usually are effective in very small amounts. Overdosing will kill or seriously damage the plants.

Attractant:

T/F Some product labels may caution the user against adding adjuvants.

T/F Systemic may take longer time to provide desirable results— up to two or three weeks, or longer for woody perennials.

Sterilants:

T/F Contact herbicides are particularly effective against perennial weeds because the chemical reaches all parts of the plant.

______ speeds up the drying of plant leaves, stems, or vines.

Repellant:

T/F Integrated Pest Management (IPM) has evolved to develop management strategies that incorporate all aspects of of the crop & pest ecosystem to economically manage the crop. In the integrated management approach, management strategies such as resistant varieties, crop rotation, cultural practices, & use of beneficial organisms need to be considered before considering chemical control.

T/F Herbicide activity is either contact or systemic.

______ produce seeds, but also produce rhizomes (below ground stems), or stoking (above ground stems that produce roots). Examples: Johnson grass, Field Bindweed, & Bermudagrass.

Defoliant:

T/F To control weeds, which are growing among or close to desirable plants, you must take advantage of the differences between the weeds and the desired species. Be sure the plants you are trying to protect are not susceptible to the weed control method you choose.

A plant disease is any harmful condition that makes a plant different from a normal plant in it’s appearance or function. Plant diseases caused by biological agents (pathogens) are of primary interest to pesticide applicators because they often can be controlled with fungicides or bactericides. Which of the following is NOT considered a pathogen?

T/F Postmergence is used before weeds emerge.

Bactericide controls: