Winter wheat update – June 11, 2013

Wheat is looking better as it matures, but most predict yields will slip below last year’s record level.

''In general, Michigan wheat is looking better as it matures. It has gained a healthier color as heads emerged and the grain-fill period commences. Nevertheless, most Michigan Wheat Watchers predict yields to be slightly below that of last season (see table below). This is due to the excessive rains that much of the state’s crop endured during the 2013 spring.

Pest levels remain at unusually low levels. Armyworm moth catches are well below that of last season. While there may be a few localized hotspots, significant armyworm larvae feeding will likely be relatively rare. There are reports of cereal leaf beetle numbers, but this pest almost always causes little or no yield reductions.

Leaf diseases have been surprisingly light this season. However, that may change quickly during the week to come as much of the state has been experiencing damp conditions and moderate temperatures. Of particular note is the arrival of stripe rust in some western and central Michigan fields. According to Michigan State University Extension, this disease tends to be very aggressive and damaging to susceptible varieties. Susceptible varieties that did not receive a fungicide treatment at the time of heading may still require a late fungicide application.

Michigan wheat watchers report for June 10, 2013

County

Watcher

Growth stage

Army worms (week ending 6/3)

Army worms (week ending 6/10)

Army worm (total to-date)

Yield est. compared to last season (bu/ac)

Comments

 Bay

Chris Schmidt

Mid to late flower

 2

 4

0

With the longer season compared to last year, I’d expect yields to be roughly the same in spite of the rough spring. Tillering was fairly robust.

Cass

Carl Sparks, Sparks Cedarlee Farms

Post

flower

9

9

 

-5 to 7

Uneven flowering may lower yield 5-7 bushels.

 

Clinton

Gerard Reaume, AgriBus consultant

Late flower

 

16

 

3

 

25

-4

Diseases are low, stands are uneven and insect pressure is low.

Huron

Tim Wilke, Co-op Elev. Co.

Heading early flower

2

2

 

-5 to 10

Fields are variable in growth stage with areas that water stood in fields behind other parts of field.

Ingham

Steve Wagner, AgriBus consultant

Late flower

0

0

4

Same 00

Fungicide sprayed on 2/3 for head scab. Estimating same yield as last year.

Isabella

Paul Gross, MSU Extension

Mid flower

0

0

5

5 to 6

Later planted wheat did not tiller well and harvested will be delated. Some quality issues may arise as well.

Jackson

George Wilcox, Crop Prod Services

Post flower

0

0

 

-5

Rain finally on June 10 will help yields, but wheat on sandy soils were hurt. Low pressure from disease and insects.

Jackson

Brandon Hotchkin

Late to post flowering

3

4

75

-5

90% of wheat crop looks good. Shorter plant than last year, but head looks good.

Lenawee

Scott Wahl

Late to post flower

3

3

 

-5

Overall fields look to be in good shape, very little disease at this point. Average yields look to be in the 80-85 bu/ac. (only a guess at this point).

Midland

Richard Miller, Miller Family Farms

Mid flower

18

8

 

-3

Newaygo

Mitchell Murray, MI Ag Commodities

Early flower

 0

 0

 3

-7

Wheat is progressing as expected with our wet and cool weather. Fully headed and starting to flower. Overall disease and insect pressure is minimal.

Presque Isle

 

James DeDecker, MSU Extension

Boot to early flower

0

0

2

-5

Fungicide being applied; some late herbicide applications. A few attempting to correct micronutrient deficiencies. Two fields tested positive for bacterial mosaic.

Saginaw

Bill Guilford, Guilford-Beagle Farm

Mid flower

7

4

22

 

-10

Too many winter kill holes to equal last year’s yield.

Saginaw

Midland

Dennis Varner,

Harvey’s Ag Solutions

Mid-flower

 

 

0

3

-15

Sanilac

Martin Nagelkirk, MSU Extension

Mid to late flower

8

12

48

-5

Some threat of scab to latest maturing fields in the Thumb. Leaf diseases will start to show this week.

Sanilac

West Marion

Mid flower

0

14

14

+12 to 15

 

Sanilac

Kyle McCarty, MAEAP Tech

Mid flower

0

0

0

±0

Fields in the southeast Thumb have some great potential, others got way too much water; enough good wheat to balance out the few bad areas.

Stripe rust. Photo credit: Wheat Disease Identification, Kansas State University

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