“Goodstreak”

“Wesley”

Planting

GA31

2006

2007

2008

Mean

2006

2007

2008

Mean

date

ppm2

Plant height3, cm

mid Sep4

0

11.3

16.5

13.7

13.7

15.6

19.4

16.0

16.9

125

12.8

16.6

13.7

14.3

16.7

18.9

15.4

17.0

250

13.1

16.7

14.1

14.5

17.9

20.2

16.3

18.1

500

14.2

20.1

14.3

16.1

19.8

20.1

16.9

19.0

1000

15.8

22.7

17.6

18.5

21.2

22.6

19.7

21.2

early Oct

0

8.3

11.0

8.6

9.2

9.4

13.1

10.2

10.8

125

10.9

12.6

9.6

11.0

10.3

13.4

10.2

11.3

250

13.1

15.6

11.6

13.4

12.0

14.5

11.5

12.6

500

16.1

17.9

13.7

15.9

14.0

15.1

13.0

14.0

1000

16.8

20.3

16.6

17.7

15.6

17.8

16.0

16.4

mid Oct

0

4.5

6.7

6.7

5.9

5.3

7.5

6.9

6.5

125

5.7

7.8

8.1

7.1

6.2

7.9

7.3

7.1

250

6.8

9.7

8.4

8.0

7.1

8.6

8.3

7.9

500

7.5

10.3

10.0

9.1

7.2

9.4

8.7

8.3

1000

8.2

12.0

11.0

10.3

7.8

10.4

9.4

9.1

LSD 0.05

2.0

1.3

1.7

1.2

1.5

1.3

1.2

1.2

GA3 treatment (G)

***5

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***

***

***

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Planting date (P)

***

***

***

***

***

***

***

***

G*P

*

***

**

***

*

ns

**

***