Root Anatomy and Growth Habit of Some Alfalfa Varieties in Relation to Wilt Resistance and Winter-hardiness1
- Jagdish Seth and
- S. T. Dexter2
In no way could the anatomy of the wilt resistant varieties of alfalfa be differentiated from that of the susceptible varieties. Short days caused a notable decrease and recumbence in top growth of the winter-hardy varieties. The annual growth rings of the field-grown roots of hardy varieties revealed formation of large xylem vessels during long days and small xylem vessels during shorter days. The same contrast in vessel size was seen in the greenhouse-grown roots of hardy varieties but it was less prominent in nonwinter-hardy varieties.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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