TABLE A.5 Concentration in the US Corn-Seed Market, 1973-1997

 

Market Sharesa

Company

1973

1975

1977

1978

1979

1980

1981

1982

1983

1988

1996

1997

Pioneer

23.8%

24.6%

30.9%

26.2%

32.9%

36.9%

35.0%

38.8%

38.1%

35.0%

41.0%

42.0%

Monsanto

14.0%

DeKalb

21.0%

18.8%

15.8%

17.9%

13.3%

13.0%

13.9%

12.2%

10.3%

9.0%

10.1%

 

Asgrow

3.1%

2.0%

 

Trojan

5.9%

6.8%

4.2%

5.4%

3.8%

2.0%

           

Novartis

9.0%

Northrup-King

6.1%

4.7%

3.8%

3.3%

3.8%

4.9%

2.8%

2.6%

2.5%

4.5%

5.0%

 

Funk

8.8%

8.9%

6.4%

8.1%

6.7%

5.7%

5.8%

5.2%

3.9%

3.4%

   

Ciba

3.1%

 

Zeneca/ICI

3.4%

2.9%

 

Aventis

7.0%

Cargill

4.8%

3.9%

4.1%

4.6%

3.3%

4.7%

5.8%

5.4%

4.2%

3.9%

3.3%

 

Dow/Mycogen

1.4%

4.3%

4.0%

Jacques/Agrigenetics

1.7%

1.9%

2.1%

2.7%

2.2%

     

1.8%

   

Golden Harvest

1.8%

2.5%

3.1%

2.9%

1.3%

2.8%

2.3%

2.6%

2.5%

2.3%

4.0%

Other

29.6%

29.8%

30.4%

29.3%

30.6%

29.3%

33.9%

33.6%

38.4%

32.0%

25.6%

20.0%

C4

59.7%

59.1%

57.3%

57.6%

56.7%

60.5%

60.5%

61.6%

56.5%

52.4%

60.4%

72.0%

HHI

1,180

1,127

1,304

1,148

1,360

1,620

1,501

1,723

1,604

1,386

1,865

2,122

a Except C4 and HHI.

Source: Data for 1973-1983 cited in McMullen (1987), Data for 1988 fromHayenga and Kimle (1992). Data for 1996 from Kalaitzandonakes (1997).Data for 1997 from Hayenga (1998).



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