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Creator:: Lee, Chun-shu
Abstract:: Many species of the Fagaceae have been variously interpreted on the basis, primarily of external morphological characteristics. The objectives of this study are to elucidate generic and specific characteristics of the wood of Fagaceae and to attempt to obtain evidence regarding taxonomic relationships among some of the species occurring in...
Resource Type:: Masters Thesis
Full Text:: , distributed in (a) dif- fuse-in- aggregate or (b) irregularly apotracheal banded; (c) para- tracheal

Creator:: Larson, Ann Marie
Abstract:: Developmental changes in the storage organ of Brassica campestris L. were followed from the organization of the embryonic radicle and hypocotyl to the mature storage organ. Three independent primary meristems gave rise to the cortex, the stele, and the root cap-epidermis. The primary development is typical of the Cruciferae. Cambial...
Resource Type:: Dissertation
Full Text:: Kiaerskou (1886), in comparing the mature structure of B. oleracea, B. Eirri...pestril, and B. napus

Creator:: Gregory, Robert A.
Abstract:: Cambial activity in white spruce stems in Alaska was observed from April, 1964 to September, 1965 in over 300 samples taken from 50- to 60-year-old natural stands. Mitotic index was used as a measure of the rate of periclinal division of fusiform cells in the cambial zone. Anticlinal divisions are...
Resource Type:: Dissertation
Full Text:: inception of dormancy in. the cambial zone. Complete termination of cambial activity is gradual, c

Creator:: Saigo, Roy Hirofumi
Abstract:: The balsam woolly aphid (Adelges piceae Ratz.) feeds by inserting its stylets intra- and intercellularly into the cortex or outer phloem of the true firs. While feeding, the aphid injects into the bark an unknown stimulatory substance which affects the adjacent cortical parenchyma cells, the activity of the vascular cambium...
Resource Type:: Dissertation
Full Text:: laboratory. They were then dehydrated and embedded in 60°C. Tissuemat, softened by placing the exposed

Creator:: Wirtz, Felicia Pietrykowski
Abstract:: Pine needle blight of Pinus ponderosa Laws. caused by Elytroderma deformans (Weir) Darker is recognized by changes in the needles, in the bark and in the development of the branches. Anatomical studies of the host-parasite relation have been made previously on young pine tissue up to four years of age...
Resource Type:: Dissertation
Full Text:: OF PHILOSOPHY (Name) (Degree) in BOTANY presented onU &c ntf29 (Major) (Date) Title: Anatomical

Creator:: Soedjono, Estiti Harti
Abstract:: Three growth forms of the genus Microseris, of the tribe Cichorieae, family Compositae, were compared with respect to their anatomical structure. The purpose of this study was to clarify lines of evolutionary specialization in the genus. Two of the three species studied, M. laciniata and M. borealis, are perennials, while...
Resource Type:: Dissertation
Full Text:: schedule (28, p. 130-132) and embedded in Tissuematt of 54-56°C. melting point. In the later period of

Creator:: Bogar, Gerald Dale
Abstract:: Tissue differentiation of the primary root and its associated laterals is reported. Secretory elements are the first of the primary tissues to mature. They appear to be located between the precursory phloem and pericycle in the primary root, but are more closely associated with the pericycle in long lateral roots....
Resource Type:: Masters Thesis
Full Text:: embedded roots were softened by placing them in a mixture of gly- cerol and detergent (2) at 38 °C. for 2

Creator:: Owens, John N.
Resource Type:: Dissertation
Full Text:: (34, P- 130-132) and embedded in 56°-58°C Tissuemat. The embedded samples were soaked in a solution

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