Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

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Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin

Transcript of Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Page 1: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Selecting Grass Varieties

Dr. Dan UndersanderUniversity of Wisconsin

Page 2: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Dan Undersander-Agronomy © 2009

Selecting a Good Grass Variety

Mixed with AlfalfaLess NFC than corn silage or alfalfa

In Pastures

Greater differences exist among grass varieties than among corn hybrids and soybean varieties

Page 3: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Dan Undersander-Agronomy © 2009

Selecting Grass VarietiesYield range of grass varieties in UW trials

Page 4: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Dan Undersander-Agronomy © 2009

Selecting Grass varieties -Yield difference among varieties

Page 5: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Dan Undersander-Agronomy © 2009

Selecting Grasses

Bromegrass not recommended 60 to 70 % of growth first cutting

Overwhelms alfalfa 1st cut – little impact later

Timothy not recommended Short stand life, 2 to 4 years Lowest yielding grass

Page 6: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Dan Undersander-Agronomy © 2009

Selecting Grasses

Orchardgrass and tall fescue Want winterhardy types

Page 7: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Dan Undersander-Agronomy © 2009

Selecting Grasses

Orchardgrass and tall fescue Want winterhardy types Want rust resistant types

Page 8: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Dan Undersander-Agronomy © 2009

Rust in grass trials

Page 9: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Dan Undersander-Agronomy © 2009

Selecting Grasses

Orchardgrass and tall fescue Want winterhardy types Want rust resistant types Want late maturing types

Page 10: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Dan Undersander-Agronomy © 2009

Selecting Grasses

Orchardgrass and tall fescue Want winterhardy types Want rust resistant types Want late maturing types Want good seasonal

distribution of yield

Page 11: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Dan Undersander-Agronomy © 2009

Seasonal variation in Orchardgrass variety yield

Page 12: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Dan Undersander-Agronomy © 2009

Seasonal variation in Tall Fescue variety yield

Page 13: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Dan Undersander-Agronomy © 2009

% season yield in first cut vs β for orchardgrass varieties, UW Arlington

Page 14: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Dan Undersander-Agronomy © 2009

% season yield in first cut vs β for Tall Fescue varieties, UW Arlington

Page 15: Selecting Grass Varieties Dr. Dan Undersander University of Wisconsin.

Dan Undersander-Agronomy © 2009

Web Resources

UW Extension A1525

Newspapers

UW Extension Forage Resources

www.uwex.edu/ces/forage


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