cambium

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cambium的示例

  • The term bark is used here to refer collectively to vascular cambium, phloem, cortex and periderm.

  • Trees were classed as dead if they were leafless and with a complete ring of dead cambium at breast height.

  • Furthermore, we investigated the relationship between vegetative phenology and cambium growth.

  • Recently broken branch stumps were defined as those without shed bark or signs of cambium callus growth around the branch stump base.

  • Cells differentiated in the vertical axis in a manner similar to that of the fusiform initials of the vascular cambium.

  • Once the bark has dried to below 55% moisture content, larval penetration to the cambium and survival is greatly improved.

  • For each stem, the amount of bark (referring collectively to vascular cambium, phloem, cortex and epidermis) eaten by each weevil was measured after removing surface resin as described below.

  • Tree death was determined by an absence of foliage and lack of sap in the cambium.

  • They bore into the cambium of the trunk, branches, and twigs of their host plant.

  • The inner bark cambium and phloem tissues are living, and form a new protective layer of cells as the outer bark pulls apart.

  • The function of cork cambium is to produce the cork, a tough protective material.

  • The plant has a large central medulla and a single vascular bundle containing the xylem, phloem and cambium.

  • They bore in the cambium under the bark of the host plant, producing pitch masses on the trunk.

  • The cork cambium gives rise to thickened cork cells to protect the surface of the plant and reduce water loss.

  • Inside the phloem is a layer of undifferentiated cells one cell thick called the vascular cambium layer.

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