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. 2018 Sep 4;6:e5592. doi: 10.7717/peerj.5592

Table 7. Pearson’s correlation coefficient between different parameters, recorded from the “Summer Black” table grape during the winter season.

Parameters 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1 1 0.875** −0.276 −0.181 −0.246 0.551 0.649 0.673* −0.842** −0.597 0.865** −0.899** 0.602 −0.526 −0.471 −0.276
2 1 −0.489 −0.279 −0.441 0.485 0.608 0.715* −0.902** −0.798** 0.790* −0.881** 0.574 −0.537 −0.604 −0.344
3 1 0.744* 0.984** −0.328 −0.307 −0.550 0.557 0.223 −0.600 0.583 0.322 0.702* 0.846** 0.805**
4 1 0.851** −0.098 −0.355 −0.480 0.353 −0.032 −0.401 0.375 0.322 0.846** 0.723* 0.807**
5 1 −0.278 −0.329 −0.557 0.514 0.147 −0.568 0.542 0.359 0.772* 0.856** 0.847**
6 1 0.851** 0.663 −0.303 −0.157 0.687* −0.496 −0.107 −0.473 −0.320 −0.064
7 1 0.832** −0.412 −0.196 0.730* −0.577 0.026 −0.685* −0.505 −0.227
8 1 −0.564 −0.280 0.829** −0.711* 0.014 −0.700* −0.726* −0.406
9 1 0.783* −0.821** 0.959** −0.529 0.489 0.656 0.491
10 1 −0.430 0.642 −0.723* 0.027 0.193 −0.043
11 1 −0.948** 0.168 −0.664 −0.738* −0.509
12 1 −0.389 0.581 0.715* 0.513
13 1 0.140 0.151 0.246
14 1 0.801** 0.798*
15 1 0.886**
16 1

Notes:

1, soil moisture (top soil); 2, soil moisture (20–40 cm depth); 3, cluster/tree; 4, cluster weight (g); 5, yield (kg vine−1); 6, individual berry weight (g); 7, berry width (mm); 8, berry length (mm); 9, TSS (°Brix); 10, pH; 11, acidity (%); 12, TSS/acidity; 13, total phenolics (mg 100 g−1 FW); 14, flavonoid (mg 100 g−1 FW); 15, antioxidant (mMTE g−1); 16, total anthocyanin (mg kg−1).

*

Significant correlation (p ≤ 0.05).

**

Significant correlation (p ≤ 0.01).