Fig. 6From: PdWND3A, a wood-associated NAC domain-containing protein, affects lignin biosynthesis and composition in PopulusBiomass production of OXPdWND3A transgenic plants. a The whole plant picture of 3-month-old plants grown under greenhouse conditions. Scale bar, 25 cm. b The stem volume of OXPdWND3A transgenic plants compared to WV94. Shown are the average of estimated stem volume ± S.D. (n = 5) by using the πr2h equation with height and diameter of primary stem. The asterisk marks the statistical significance against WV94 (p < 0.01, n = 5)Back to article page