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Timing of gibberellin A4/7 application for cone production in potted black spruce grafts.
- Rong, H.Ho Timing of gibberellin A4/7 application for cone production in potted black spruce grafts. / H.Ho Rong. -- 1.vyd.
In Can. -- J.For.Res., 21, (1991), s. 1137-1140. tab.
I. Can. -- J.For.Res., 21, (1991), s. 1137-1140. tab.
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