Pamphlets on Forestry, Volume 41991 |
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Page 288
TABLE XI NUMBER OF ROWS OF XYLEM CELLS AND DIAMETER INCREASE OF XYLEM IN TREE E Region of cutting No. May 22 Diameter increase of xylem May 22 No. June 6 Diameter increase of xylem June 6 Below Ist whorl Below 2d whorl Below 3d whorl ...
TABLE XI NUMBER OF ROWS OF XYLEM CELLS AND DIAMETER INCREASE OF XYLEM IN TREE E Region of cutting No. May 22 Diameter increase of xylem May 22 No. June 6 Diameter increase of xylem June 6 Below Ist whorl Below 2d whorl Below 3d whorl ...
Page 289
... xylem has occurred before May 25 , which was the date of xylem development in 1909 . FACTORS INFLUENCING DATE OF XYLEM FORMATION Temperature , moisture , and insolation are important factors in all growth phenomena . In 1909 and 1911 ...
... xylem has occurred before May 25 , which was the date of xylem development in 1909 . FACTORS INFLUENCING DATE OF XYLEM FORMATION Temperature , moisture , and insolation are important factors in all growth phenomena . In 1909 and 1911 ...
Page 290
... xylem . ( 2 ) Xylem development .-- In tree A no xylem was formed before May 25. In tree B a few xylem cells were formed by May 25 in the middle regions of the trunk . Growth of xylem was almost simultaneous , however , in all parts of ...
... xylem . ( 2 ) Xylem development .-- In tree A no xylem was formed before May 25. In tree B a few xylem cells were formed by May 25 in the middle regions of the trunk . Growth of xylem was almost simultaneous , however , in all parts of ...
Contents
The Huron River valley | 402 |
their development and ecological conditions | 360 |
The bogplant societies | 429 |
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2d whorl 4th whorl abundant acidity Alnus aments apex apical shoot Aronia average basin bast fibers Betula bog areas bog plants bog societies bog water branches cambial activity cambium cassandra conifers creosote crystals cutting depressions diameter increase Dicotyledonous drainage drained factors Fagales fiber bundles foliar ray forest formation genera glacial growth habitats HARTIG heartwood hickory Huron June lake larch Larix layers leaves lobes lower mature Michigan moraine occur parenchyma parenchyma cells peat perianth periderm phloem pine Pinus piƱon Pinus rigida pith rays plant societies Platanus plates present Quercus radial region resin canals roots rows Salix sapwood scattered sclerenchyma sclerotic sedge shrubs sieve tubes soil species specimens sphagnum stem stone cells substratum surface swamp tamarack temperature thick tissue tracheids trees trunk twigs tyloses undrained uniseriate rays vegetation vessels Viola blanda walls white oak wood xerophilous xylem zone