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Results of simple linear regression of ln(total alkaloid family means) on climate characteristics at parent tree locations (n = 63)
| Variable | R2 | P |
|---|---|---|
| ANNAVT | 0·027 | 0·202 |
| ANNPRE | 0·068 | 0·039 |
| APRPRE | 0·049 | 0·081 |
| FFPRE | 0·197 | <0·001 |
| FRSTFREE | 0·125 | 0·005 |
| JULARID | 0·055 | 0·066 |
| RNGAVT | 0·418 | <0·001 |
| SPRFRST | 0·140 | 0·003 |
| SUMMAXP | 0·116 | 0·006 |
| SUMMAXT | 0·044 | 0·100 |
| WINMAXP | 0·038 | 0·128 |
| WINMINT | 0·183 | 0·001 |
