Treatment

Glyphosate dose

Visual crop injury (%)^c

Cob length

Cob deformity (0 - 10)

Crop moisture

Crop yield (T∙ha⁻¹)

g∙ae∙ha⁻¹

1 WAT

2 WAT

4 WAT

cm

Environ1^d

Environ2

%

Environ1

Environ2

Untreated

0

b

0

c

0

c

19.1

ab

10.0

a

10.0

a

23.9

a

15.7

a

12.9

a

8-leaf

900

0

b

0

c

0

c

19.2

a

9.9

ab

9.8

a

24.2

a

15.5

ab

13.1

a

1800

0

b

0

c

0

c

19.2

a

9.7

abc

9.8

a

24.1

a

15.4

ab

13.0

a

3600

2

b

1

c

1

c

19.3

a

9.4

bc

9.8

a

24.0

a

15.6

a

12.9

a

7200

6

a

4

b

3

bc

19.3

a

8.9

d

9.4

b

24.3

a

14.2

cd

13.1

a

10-leaf

900

0

b

0

c

0

c

19.1

ab

9.8

ab

9.8

a

24.1

a

15.5

ab

12.7

a

1800

0

b

1

c

2

bc

19.4

a

9.3

cd

9.9

a

24.1

a

14.8

bc

13.2

a

3600

2

b

4

b

5

b

19.1

ab

8.2

e

9.2

b

24.3

a

14.2

cd

12.9

a

7200

6

a

11

a

12

a

18.8

b

7.4

f

8.7

c

24.3

a

13.4

d

12.7

a

Contrasts^e

8-leaf vs. 10-leaf

NS

(2 vs. 2)

*

(1 vs. 4)

*

(1 vs. 5)

NS

(19.3 vs. 19.1)

*

(9.5 vs. 8.7)

*

(9.7 vs. 9.4)

NS

(24.2 vs. 24.2)

*

(15.2 vs. 14.5)

NS

(13.0 vs. 12.9)

Untreated vs. 8-leaf

*

(0 vs. 2)

NS

(0 vs. 1)

NS

(0 vs. 1)

NS

(19.1 vs. 19.3)

*

(10.0 vs. 9.5)

*

(10.0 vs. 9.7)

NS

(23.9 vs. 24.2)

NS

(15.7 vs. 15.2)

NS

(12.9 vs. 13.0)

Untreated vs. 10-leaf

*

(0 vs. 2)

*

(0 vs. 4)

*

(0 vs. 5)

NS

(19.1 vs. 19.1)

*

(10.0 vs. 8.7)

*

(10.0 vs. 9.4)

NS

(23.9 vs. 24.2)

*

(15.7 vs. 14.5)

NS

(12.9 vs. 12.9)