Determining the Geographical Origin of Fuji Apple from China by Multivariate Analysis Based on Soluble Sugars, Organic Acids, and Stable Isotopes

Table 4

Correlations of soluble sugars, organic acids, and stable isotopes with regional conditions.

Sor

Glu

Fru

Sucr

Oxa

Tar

Qui

Mal

Shi

δ^2H

δ^18O

δ^13C

Longitude

−0.150

0.320

0.023

−0.002

−0.045

−0.012

0.121

0.090

−0.045

0.228

0.081

−0.244

Latitude

0.017

−0.328

−0.205

0.189

−0.100

−0.039

−0.005

0.006

0.132

−0.112

−0.032

−0.035

Altitude

0.290

−0.326

0.140

0.073

0.114

−0.170

−0.090

0.020

−0.073

−0.123

−0.011

0.336

Mean annual temperature

−0.065

0.199

0.051

−0.222

0.022

0.070

−0.070

−0.162

−0.127

0.045

−0.049

0.056

Annual precipitation

−0.196

0.398

0.069

−0.129

−0.063

0.160

0.112

0.080

0.058

0.181

0.076

−0.178

Significant correlation (). Significant correlation ().