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Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 3 Coefficients of correlations between amount of phytohormones and indexes of xylem formation

From: Seasonal variations of tracheid formation and amount of auxin (IAA) and gibberellin A4 (GA4) in cambial-region tissues of mature sugi (Cryptomeria japonica) cultivar grown in a Nelder plot with different tree densities

 

Amount of IAA

Amount of GA4

June

August

October

June

August

October

Cell wall ratio

−0.15

0.26

0.60*

−0.11

−0.10

0.01

Cell wall thickness

0.27

0.41

0.54

−0.25

−0.17

0.30

R diameter

0.27

0.04

−0.24

−0.23

0.09

0.43

T diameter

0.53

0.20

−0.09

−0.40

0.06

-0.27

  1. Indexes of xylem formation in June, August, October, and December were the values measured on xylems formed at initiation of xylem formation—June, June–August, August–October, and October–December, respectively
  2. *p < 0.05
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