«DIARCH»に関連する英語の本
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The concave side of the horse-shoe is always turned away from the stem (see Fig
. 7). Jones 1 finds that a very large percentage of the roots are tetrarch, but that
the diarch type occurs fairly commonly also. Bruchmann,2 on the other hand, ...
Isaac Bayley Balfour, Roland Thaxter, Vernon Herbert Blackman, 1908
2
University of California Publications: Botany
It should be noted also that the development of the diarch caps and spindles of
Smilacina without the agency of a vacuole indicates a close similarity between
the method of their origin and growth and that of the multipolar polyarch spindles
of ...
3
Philosophical Transactions of the Royal Society of London: B.
groups of protoxylem; triarch and diarch specimens also occur. Thus our fig. 7
shows a triarch rootlet, and one of those figured in a previous memoir was
probably also triarch.* We have figured a very characteristic diarch rootlet in 5.
Another ...
4
Philosophical Transactions
groups of protoxylem ; triarch and diarch specimens also occur. Thus our fig. 7
shows a triarch rootlet, and one of those figured in a previous memoir was
probably also triarch.* We have figured a very characteristic diarch rootlet in fig. 5
.
5
Water Dynamics in Plant Production
The phloem is located between strips of xylem (Fig. 7.4). According to the number
of xylem strips, one can separate diarch, tetrarch, pentarch and polyarch roots.
The root of the sugarbeet, for instance, is diarch and that of cereals is tetrarch.
Wilfried Ehlers, M. J. Goss, 2003
Figure 54.360 shows a young, diarch cleavers root. Figure 54.361 an advanced
root stage. The rhizodermis is depicted in Figure 54.362. Diarch cleavers roots
develop in a similar manner to other diarch systems, for example those of
Scandix ...
Hansjoerg Kraehmer, Peter Baur, 2013
7
Botany For Degree Pteridophyta
Bower (1980) found monarch and diarch root stele in O. berginanum and Saxena
and Mathur (1925) reported diarch root stele in 0.fibrosum. Bower (1908) also
found triarch stele in 0. decipiens. Vasishta (1927) recorded diarch, triarch and ...
In some cases the stele is monarch with the protoxylem in one mass; in other
cases it is either diarch with two protoxylem masses, or triarch with three groups
in protoxylem. Sometimes the same root is diarch in one portion and tetrarch in ...
9
Anatomy of Flowering Plants: An Introduction to Structure ...
Roots possess two, three, four or more protoxylem poles (rays), in which case
they are said to be diarch, triarch, tetrarch or polyarch respectively. There is often
variation in the number of xylem poles, sometimes even within the same plant, ...
TABLE 1 - ANATOMICAL SUMMARY OF ROOTS SHOWING THE TRANSITION
OF VASCULAR PATTERNS Vascular Patterns No. of Roots Percent (%) Rhizome
-borne roots Triarch throughout 22 50.0 Diarch throughout 2 4.5 Pentarch to ...
