Unit 20.00 Terms

Horticulture Ii Turfgrass with Murphy at J F Webb High School

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By: Ashley Campbell
Created: 2012-03-25
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Most turf are caused by

Fungi.

Fungal pathogens reproduce

By producing spores.

The body of a fungus is composed of

Numerous threadlike filaments called mycelium.

Turf disease problems are most common

During period of high humidity and warm temperatures.

Cultural management is an

Effective way to prevent turf diseases.

The first step in disease prevention is to

Select resistant species or culivars.

Fungicides are often used

To control turf disease.

The IPM program is used on

Used on golf courses for effective pest control.

The most common disease found on is

Found on the golf is dollar spot.

The most devastating diseases are

They are pythium blight, brown patch, and gray leaf spot.

A pest license is required to apply

To apply ant pesticide on golf courses.

A fungicide has three names

They are common name, trades name, and chemical name.

A fungicide must be registered by

By EPA before it can be used.

The label of a fungicide is

Is a legal document.

Fungicides are pesticides and

And are toxic.

Proper handling and storage of fungicides are

Are required by law.

Dollar spot

Fungus disease, small foliar patches, all turf-grasses are susceptible. Control by using adequate nitrogen fertilization and fungicides.

Brown Patch

Fungus disease, patch disease affecting turf-grasses when it is hot and humid. Control by - using adequate fungicides and reduce fertilization in spring.

Fairy rings

Fungus disease, circular and abnormal appearance, all turf-grasses are susceptible. Control by – cleaning soil and light nitrogen applications.

Gray snow mold

Fungus disease, patch disease affecting turf-grasses when it is cold with snow cover. Control by – using adequate fungicides and reduce fertilization in the fall.

Leaf spots

Fungus diseases, several types of foliar diseases affecting all turf-grasses. Control by – using adequate fungicides.

Pink snow mold

Fungus disease, patch disease affecting turf-grasses when it is cold with or without snow cover. Control by – using adequate fungicides and reduce fertilization in fall.

Powdery mildew

Fungus disease, white powdery cover on turf-grass leaves and shoots. Wet and shade conditions are favorable for this disease. Control by – using adequate turf-grass and fungicides.

Pythium blight

Fungus disease, fast-spreading patch disease of cool-season turf-grasses and Bermuda grass. Disease happens during a hot and humid summer. Control by – using adequate preventive fungicides.

Red thread

Fungus disease, red thread appearance, affects slow-growing turf-grasses with poor soil fertility conditions. Control by – using adequate fertilization and fungicides.

Take-all patch

Fungus disease, patch disease affecting turf-grasses when soil pH is high. Control by – using adequate fungicides and reduce fertilization in spring.

Annual bluegrass

Annual or perennial grassy weed reproducing by seed.

Common chickweed

Winter annual broad leaf weed reproducing by seed.

Dandelion

Perennial broad leaf weed reproducing by seed.

Hen-bit

Biennial broad leaf weed reproducing by seed.

Mouse-ear chickweed

Biennial broad leaf weed reproducing by seed.

Nut sedge

Perennial mono-cot weed, that is not a grass but looks like a grass, reproducing by seed, rhizomes, and nut-lets.

Spotted surge

Summer annual, broad leaf weed, reproducing by weed.

Smooth crabgrass

Annual, summer grassy, weed reproducing by seed.

Wild Garlic

Perennial, mono-cot weed that is not a grass but looks like a grass, reproducing by seed and bulbs.

Annual bluegrass

Using post or pre-emergence herbicides and growth regulators.

Common chickweed

Using post-emergence broad-leaf or non-selective herbicides when turf is dormant.

Dandelion

Using post-emergence broad leaf herbicides.

Hen-bit

Using post-emergence broad leaf herbicides.

Mouse-ear chickweed

Using post-emergence broad leaf non-selective herbicides when the turf is dormant.

Nuts-edge

Using post-emergence recommended herbicides.

Spotted surge

Using post-emergence broad leaf herbicides.

Smooth crabgrass

Using pre-emergence and post-emergence grassy weed herbicides.

Wild Garlic

Using post-emergence recommended herbicides.

Army worms

Caterpillars, complete metamorphosis, attack turf-grass shoots.

Chin-ch bugs

Incomplete metamorphosis, attack turf-grasses with a sucking mouth.

Japanese Beetle

Complete metamorphosis, attack turf-grass as white grubs and adult beetles.

Mole crickets

Incomplete metamorphosis, attack warm-season turf-grasses by damaging roots
and soil structure. It is a serious insect pest in southern states and it is a subsurface feeder like white grubs.

Army worms

Control by using endophyte infected turf-grass and insecticide.

Chin-ch bugs

Control by using insecticides, endophyte infected turf-grass and other cultural and
biological methods.

Japanese beetles

Control by using insecticides and other cultural and biological methods.

Mole crickets

Control by using insecticides and other cultural and biological methods.

Turf-grass insect pests have two types of

Mouth parts, chewing and sucking.

Biological control of insects include using

Include using microorganisms, nematodes and natural enemies.

Subsurface feeder insects are more difficult to

Difficult to control than surface feeders.

Surface feeding insects include

Cut-worms, army-worms, aphids, chin-ch bugs, adult bill-bugs, sod web-worms, and some mites (not insects).

Advantages of (IPM) Integrated Pest Management

1. IPM reduces pesticide use and is more environmentally friendly.
2. Biological control is the main component of IPM.

Scope of (IPM) Integrated Pest Management

1. There are more than 8,000 golf courses in the U.S. using IPM program.
2. IPM is a relatively new concept in turf-grass management.

About this deck

By: Ashley Campbell
Created: 2012-03-25
Size: 58 flashcards
Views: 0

About StudyBlue

“I have been getting MUCH better grades on all my tests for school. Flash cards, notes, and quizzes are great on here. Thanks!”
Kathy