77 



Table 3-2. Mean percent change in the number of waterhyaci nths/sq m 

 in Lake Dexter, Florida, treated with combinations of 

 gibberellic acid and 2,4-dichlorophenoxyacetic acid. 



Treatment 



Rate 



Waller- 



Mean 



n 



Min. 



Max. 



Std 



2,4-D 



GA 



Duncan 











Error 



(kg/ha) 



(g/ha) 



Groupingl 













0.00 



0.0 



A 



3.47 



3 



-15.66 



15.48 



9.67 



0.00 



94.0 



A 



1.63 



3 



-16.13 



12.50 



8.95 



0.00 



47.0 



A 



1.28 



3 



-9.26 



20.00 



9.41 



0.00 



23.5 



A 



-12.23 



3 



-39.60 



1.59 



13.69 



0.56 



47.0 



B 



-51.53 



3 



-67.69 



-36.00 



9.15 



0.56 



0.0 



B 



-54.43 



3 



-57.89 



-51.11 



1.96 



0.56 



23.5 



B 



-55.66 



3 



-68.37 



-45.28 



6.77 



0.56 



94.0 



B D 



-64.78 



3 



-80.00 



-51.85 



8.21 



1.12 



0.0 



B D 



-67.00 



3 



-76.56 



-59.62 



5.01 



1.12 



47.0 



B D 



-70.58 



3 



-73.77 



-68.75 



1.60 



1.12 



94.0 



C D 



-82.65 



3 



-82.82 



-82.35 



0.14 



1.12 



23.5 



C D 



-85.12 



3 



-93.51 



-72.97 



6.22 



2.24 



0.0 



C 



-94.90 



3 



-95.45 



-94.19 



0.37 



2.24 



23.5 



C 



-96.12 



3 



-98.86 



-94.12 



1.42 



2.24 



94.0 



C 



-96.57 



3 



-100.00 



-90.91 



2.85 



2.24 



47.0 



C 



-99.16 



3 



-100.00 



-98.59 



0.43 



4.48 



0.0 



C 



-100.00 



3 



-100.00 



-100.00 



0.00 



iMeans with the same letter are not significantly different (a=0.05). 



