ipm report week 20 10.14.13 - wisconsin fruit · date 2013 2012 5 year average 2 4/1 to 10/13 2152...

1

Vineyard IPM Scouting Report for week of 14 October 2013 UW-Extension Door County and Peninsular Agricultural Research

Station

NO. 20

Grape Quality1 Of Selected Varieties In The Grape Variety Trial At

The Peninsular Agricultural Research Station.

Variety Brix pH TA Berry weight2

g/L grams

Brianna 14.3 3.13 9.33 2.67

Frontenac 20.3 3.06 23.39 1.22

Frontenac gris 22.2 3.17 20.13 1.11

La Crescent 19.1 3.11 17.22 1.48

La Crosse 17.1 3.07 12.76 1.77

Leon Millot 18.6 3.28 11.62 0.99

Marquette 19.0 3.14 14.72 1.34

NY 76 15.2 2.98 14.16 1.65

Petite Pearl 16.1 3.17 10.02 0.91

MN 1189 19.4 2.97 11.70 2.15

MN 1200 19.7 3.18 11.83 1.02

MN 1220 20.0 3.22 12.43 1.65

MN 1235 19.3 3.00 17.85 1.41

Noiret 14.8 2.99 16.18 1.50

Vignoles 19.0 3.04 20.85 1.68

Foch 18.7 3.09 15.88 1.08

Harvested 9.20.2013 at 14.5 brix

1Data collected on 14 October 2013. A total of 3 to 4 randomly selected whole clusters were crushed and juice was strained and analyzed. 2Berry weight is the average of 50 berries.

Harvested 10.11.2013 at 21.0 brix

2

Variety Brix pH TA Berry weight2

g/L grams

Brianna 14.3 3.13 9.33 2.67

Frontenac 18.5 3.06 21.86 1.14

Frontenac gris 21.0 3.13 19.65 1.10

La Crescent 17.2 3.09 16.85 1.41

La Crosse 13.7 3.05 14.14 1.66

Leon Millot 16.0 3.14 13.71 0.94

Marquette 16.6 3.12 16.48 1.18

NY 76 14.2 2.94 16.32 1.31

Petite Pearl 16.2 3.20 11.59 1.04

MN 1189 17.4 2.95 12.51 2.06

MN 1200 20.8 3.19 12.17 0.83

MN 1220 20.0 3.22 12.38 1.31

MN 1235 18.2 3.01 18.70 1.34

Noiret 14.9 2.94 15.91 1.74

Vignoles 13.7 2.90 21.06 1.42

Foch 14.9 3.07 18.32 0.99

Grape Quality1 Of Selected Varieties In The Grape Variety Trial At

The Peninsular Agricultural Research Station.

1Data collected on 8 October 2013. A total of 3 to 4 randomly selected whole clusters were crushed and juice was strained and analyzed. 2Berry weight is the average of 50 berries.

Harvested 9.20.2013 at 14.5 brix

3

Frontenac

0

5

10

15

20

25

30

9.10.2013 9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Brix (%)

pH

TA (g/L)

Brianna

0

5

10

15

20

25

30

9.10.2013 9.17.2013

Calendar Date

Brix

pH

TA

Harvested 9.20.2013 at 14.5 brix

4

Frontenac gris

0

5

10

15

20

25

30

9.10.2013 9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Brix (%)

pH

TA (g/L)

La Crescent

0

5

10

15

20

25

30

9.10.2013 9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Brix (%)

pH

TA (g/L)

Harvested 10.11..2013 at 21.0 brix

5

La Crosse

0

5

10

15

20

25

30

9.10.2013 9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Brix (%)

pH

TA (g/L)

Leon Millot

0

5

10

15

20

25

30

9.10.2013 9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Brix (%)

pH

TA (g/L)

6

Marquette

2.962.85 3.01 3.1 3.12 3.14

0

5

10

15

20

25

30

9.10.2013 9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Brix (%)

pH

TA (g/L)

MN 1189

0

5

10

15

20

25

30

9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Brix (%)

pH

TA (g/L)

7

MN 1200

0

5

10

15

20

25

30

9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Brix (%)

pH

TA (g/L)

MN 1220

0

5

10

15

20

25

30

9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Brix

pH

TA

8

MN 1235

0

5

10

15

20

25

30

9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Brix (%)

pH

TA (g/L)

Noiret

0

5

10

15

20

25

30

9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Brix (%)

pH

TA (g/L)

9

NY 76

0

5

10

15

20

25

30

35

40

9.10.2013 9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Brix (%)

pH

TA (g/L)

Petite Pearl

0

5

10

15

20

25

30

9.10.2013 9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Brix (%)

pH

TA (g/L)

10

Vignoles

0

5

10

15

20

25

30

9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Brix (%)

pH

TA (g/L)

11

GDD (base 50) at time of data collection

1856

1921

1983

2051

2114

2155

1700

1750

1800

1850

1900

1950

2000

2050

2100

2150

2200

9.10.2013 9.17.2013 9.24.2013 10.1.2013 10.8.2013 10.14.2013

Calendar Date

Growing Degree Days (base 50)

Precipitation for periods of data collection

0

0.5

1

1.5

2

2.5

9.4.2013 to

9.10.2013

9.11.2013 to

9.17.2013

9.18.2013 to

9.24.2013

9.25.2013 to

10.1.2013

10.2.2013 to

10.8.2013

10.9.2013 to

10.14.2013

Time interval (days)

Precipitation (inches)

12

Degree Day1 (base 50) Accumulation from April 1 to October 13, 2013 at

Peninsular Agricultural Research Station in Sturgeon Bay, WI

Date 2013 2012 5 Year Average2

4/1 to 10/13 2152 2463 2339

1Modified method. 2Average from 2008 to 2012.

Degree Day1 (base 50) Accumulation from April 1 to September 22, 2013

at West Madison

Date 2013 2012 5 Year Average2

4/1 to 9/22 2803 nd3 nd

1Modified method. 2Average from 2008 to 2012. 3nd represents no data

Accumulated degree days1 (base 50) for the month of March in Sturgeon Bay and

Madison, WI.

1Modified method. 2Data from http://www.doa.state.wi.us/degreedays/

Year Madison WI Sturgeon Bay WI

2013 12 0

2012 252 106

2011 13 3

2010 72 38

2009 51 12

2008 1 0

2007 90 41

2006 22 7

2005 40 9

2004 49 11

GDD (base 50, ceiling 86)

Please scout your vineyards on a regularly scheduled basis in an effort to manage problem pests. This report

contains information on scouting reports from specific locations and may not reflect pest problems in your

vineyard. If you would like more information on IPM in grapes, please contact Dean Volenberg at (920)746-

2260 or dean.volenberg@ces.uwex.edu