Treatment

1-MCP

Ethephon

First position boll weight

Second position boll weight

Node 6 - 10

boll weight

Node 11 - 15

boll weight

Node 16 - 20

boll weight

2011

2012

2011

2012

2011

2012

2011

2012

2011

2012

g a.i. ha⁻¹

mL∙ha⁻¹

g∙plant⁻¹

1

0

0

45.25a

42.44a

17.01ab

9.52b

24.21a

21.27a

26.86ab

24.58ab

10.24ab

11.18ab

2

0

146

41.33a

35.90ab

11.25ab

10.54ab

25.18a

19.77a

20.40ab

22.61ab

8.71b

6.18bc

3

0

292

40.64a

34.41ab

13.00ab

11.01ab

21.34a

17.64a

20.54ab

21.75b

13.14ab

8.97abc

4

0

438

36.74a

30.84b

10.11b

10.17b

19.85a

14.51a

18.89b

24.93ab

8.80ab

6.13bc

5

10

0

44.03a

34.93ab

17.47ab

16.12ab

26.22a

22.94a

24.37ab

27.30ab

13.42ab

5.79bc

6

10

146

50.85a

40.51ab

19.55a

15.17ab

23.70a

20.82a

30.63a

30.81a

16.26a

9.58abc

7

10

292

43.16a

35.03ab

19.04a

13.20ab

24.03a

23.71a

24.95ab

21.20b

15.99ab

4.13c

8

10

438

38.97a

34.78ab

11.24ab

17.82a

20.65a

17.62a

23.85ab

28.70ab

8.73b

13.08a

LSD (0.05)

18.41

9.72

8.49

7.43

8.29

9.72

10.85

8.56

7.50

6.12

Orthogonal contrast

Ethephon vs. ethephon + 1-MCP

NS

NS

*

*

NS

NS

*

NS

NS

NS

1-MCP vs. 1-MCP absent

NS

NS

NS

**

NS

NS

NS

NS

NS

NS

Control vs. ethephon

NS

*

NS

NS

NS

NS

NS

NS

NS

NS

1-MCP vs. 1-MCP + ethphon

NS

NS

NS

NS

NS

NS

NS

NS

NS

NS

Ethephon vs. ethephon absent

NS

NS

NS

NS

NS

NS

NS

NS

NS

NS