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  2. Dacrycarpus dacrydioides - Wikipedia

    en.wikipedia.org/wiki/Dacrycarpus_dacrydioides

    Dacrycarpus dacrydioides, commonly known as kahikatea (from Māori) and white pine, is a coniferous tree endemic to New Zealand. A podocarp , it is New Zealand's tallest tree, gaining heights of 60 m over a life span of 600 years.

  3. Silviculture - Wikipedia

    en.wikipedia.org/wiki/Silviculture

    Kittredge and Gervorkiantz (1929) [133] determined that removal of the aspen forest floor increased germination percentage after the second season in seed spots of both white pine and white spruce, in four plots, from 2.5% to 5%, from 8% to 22%, from 1% to 9.5%, and from 0% to 15%.

  4. Pinus strobus - Wikipedia

    en.wikipedia.org/wiki/Pinus_strobus

    Eastern white pine is self-fertile, but seeds produced this way tend to result in weak, stunted, and malformed seedlings. Mature trees are often 200–250 years old ...

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  6. Germination - Wikipedia

    en.wikipedia.org/wiki/Germination

    It is a measure of germination time course and is usually expressed as a percentage, e.g., an 85% germination rate indicates that about 85 out of 100 seeds will probably germinate under proper conditions over the germination period given. Seed germination rate is determined by the seed genetic composition, morphological features and ...

  7. Pinus monophylla - Wikipedia

    en.wikipedia.org/wiki/Pinus_monophylla

    Open cone with empty pine nuts. The seed cones open to 6–9 cm (2 + 1 ⁄ 4 – 3 + 1 ⁄ 2 in) broad when mature, holding the seeds on the scales after opening. The seeds are 11–16 mm (7 ⁄ 16 – 5 ⁄ 8 in) long, with a thin shell, a white endosperm, and a vestigial 1–2 mm (1 ⁄ 32 – 3 ⁄ 32 in) wing.

  8. Pinus aristata - Wikipedia

    en.wikipedia.org/wiki/Pinus_aristata

    A seed cone takes two years to fully ripen. Each scale of the cone is tipped with a thin, brittle pickle 4–10 millimeters long. They fall from the tree soon after releasing their seeds. [5] Pinus aristata has seeds that are gray-brown to nearly black in color with darker spots and 5–6 mm long. The seed has an attached papery wing 10–13 mm ...

  9. Western white pine - Wikipedia

    en.wikipedia.org/wiki/Western_white_pine

    Western white pine is a large tree, regularly growing to 30–50 metres (98–164 ft) tall. It is a member of the white pine group, Pinus subgenus Strobus, and like all members of that group, the leaves ('needles') are in fascicles (bundles) of five, [5] with a deciduous sheath. The needles are finely serrated, [5] and 5