ミシガン州における作付けの変遷




ブルーベリーのアメリカの一州での例です
エリオットが増え
ジャージーが減少しています


Blueberry varieties by age and acreage in 2003

 

Variety

Planted
before 1973

1974
to
1983

1983
to
1993

1993
to
2003

Michigan
Total

 Change
Since
1994

Berkeley

120

9

7

10

145

 -35

Bluecrop

1,580

1,400

1,640

410

5,030

 400

Bluejay

30

54

166

11

280

 50

Blueray

265

52

95

28

440

 -160

Bluetta

78

41

45

1

165

 -25

Brigitta

 0 0 2 63 65 63

Burlington

75

43

37

20

175

 15

Collins

43

16

5

1

65

  

Coville

 37 11 7

0

55

 0

Duke

0

2

138

220

360

 140

Earliblue

44

14

8

4

70

 -20

Elliott

51

357

860

762

2,030

 710

Jersey

4,770

1,580

690

150

7,190

 -240

Nelson

 0 0 7

83

90

 65

Northland

3

54

38

30

125

 25

Patriot

0

11

40

9

60

 -80
Pemberton 58 7 5 0 70  

Rancocas

100

43

12

0

155

 -5

Rubel

1.210

230

167

53

1,660

 60

Spartan

6

32

27

5

70

 -20
Weymouth 36 9 5 0 43 -7

Others*

74

14

29

33

167

 -13

Total

8,580

3,980

4,030

1,910

18,500

 700
* Concord, Stanley and are included in Others




Michigan's Aging Blueberry Plantings


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