44 



Table 1-1. Analysis of variance of the effects of GA 3 and 2,4-D on 

 waterhyacinths utilizing general linear models procedures 

 (percent change in weight as the dependent variable). 



Sources of variation 



d.f 



s.s 



m.s. 



f 





TREATMENT 



19 



348888.1 



183625.3 



22.64 



** 



GA 3 



4 



85621.6 



21405.3 



2.64 



* 



Linear 



1 



59705.7 



59705.7 



7.36 



** 



Quadratic 



1 



257.5 



257.5 



0.03 



N.S, 



Other 



2 



25658.4 



12829.3 



1.58 



N.S, 



2,4-D 



3 



3319331.0 



1106443.7 



136.43 



** 



Linear 



1 



2513039.7 



2513039.7 



309.86 



** 



Quadratic 



1 



744276.0 



744276.0 



91.77 



** 



Residual 



1 



62015.3 



62015.3 



7.65 



** 



Interaction (GA x 2,4-D) 



12 



83929.7 



6994.14 



0.86 



N.S, 



Linear x Linear 



1 



2672.8 



2672.8 



0.33 



N.S, 



ERROR 



196 



515763.2 



2631.4 







Trial (Treatments) 



52 



421723.1 



8110.1 



12.42 



** 



Reps. (Trials x Treatments) 



144 



94040.1 



653.1 







TOTAL (Corrected) 



215 



4004644.5 









*• 



Significant at 0.01 

 * Significant at 0.05 

 N.S. Not significant 



