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Table 5 Global model testing the effect of pruning (unpruned, 1/3 and 2/3 pruning of crown length), season (fall, spring, and summer), and clone (1079, 747210, 915319, and DN2) on root total non-structural carbohydrate concentrations (TNC) of trees with or without epicormic shoots

From: Production and role of epicormic shoots in pruned hybrid poplar: effects of clone, pruning season and intensity

Tested factors

numDF

denDF

F value

P value

(Intercept)

1

112

185.51

<0.001

Clone

3

6

1.14

0.40

Treatment

4

112

4.34

<0.001

Season

2

112

1.86

0.16

Clone:Treatment

12

112

1.03

0.43

Clone:Season

6

112

1.41

0.22

Treatment:Season

8

112

0.58

0.79

Clone:Treatment:Season

24

112

1.07

0.39

  1. Significant P values are given in bold. Treatment corresponds to the combination between pruning intensity and epicormic branch treatment (unpruned, 1/3 pruned with or without epicormic shoots and 2/3 pruned with or without epicormic shoots
  2. NumDF numerator of degrees of freedom, denDF denominator of degrees of freedom
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Annals of Forest Science

ISSN: 1297-966X