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_
j Days
0 _
20 40 60
0 ..___... tree A .-- m tree B ....... tree C
Growth of the reaction zone
Figure 5.--Mean reaction zone length at different dates after inoculation of three trees with Ophiostoma brunneo-ciliatum.
Verticalbars represent standard deviations.
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0,5
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0,4 Pinocembrin t Pinosylvin monomcthylethcr
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_ 0 _0 io 3'0 40 _0 60 0 _0 20 30 40 50 60
° acctophcnone Taxifolin
_ 15 glycoside . 4
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................ RZ ............................................ UP ] "_"" ....................... 17_--=='2"- Days
0 ..................................................................
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o io io 3b 4b ._'o go 0 fo 2'0 _0 4'0 s'o 6'o
Tree A Tree B ................... Tree C
UP unwounded phloem RZ reaction zone
Figure 6._Variations of the mean concentration of various phenolic compounds in reacting phloem and in unwounded phloem
of three trees, after inoculation with Ophiostoma brunneo-ciliatum. Vertical bars represent standard deviations.
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