64 



Table 4, Quadratic Equation Variables for Sooty Mold Grazing 

 Test . These variables were examined for sources of error in the sooty 

 mold grazing test. Only the intercept (Intercept) and Day by Snail 

 population interaction (N-X) were significant. 



Parameter Estimate PR ITI 



Intercept 97.1404 .0001** 



NLVS - 0.0622 .2315 



N - 0.0000 1.0000 



N^ 0.0000 .0000 



X' 2.9601 .8426 



X^ 0.5236 .9099 



N-X -17.8688 .0495* 



N^-X 1.4395 .2896 



N-X^ 2.4099 .4220 



N^-X^ - 0.1192 .7757 



** - Highly significant (99%) .01 



* - Significant (95%) .05 

 NLVS - Number of leaves per cubic foot 



N - Number of days (or nights) 



X - Number of snails 

 r2 Value = .931642 (Very high accounting for sources of variation) 



