Premium
Wheat and Barley Vernalization in a Precise Temperature Gradient 1
Author(s) -
Trione E. J.,
Metzger R. J.
Publication year - 1970
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1970.0011183x001000040023x
Subject(s) - vernalization , hordeum vulgare , biology , elongation , meristem , poaceae , agronomy , winter wheat , horticulture , botany , photoperiodism , shoot , materials science , ultimate tensile strength , metallurgy
Rate of meristem elongation of the primary culm in winter wheat ( Triticum aestivum L.) and barley ( Hordeum vulgare L.) was a function of temperature and length of cold treatment. Elongation of the wheat meristems did not begin unless the seedlings had a minimum of 15 days at 5 to 8 C. Effectiveness of the cold treatment in wheat seedlings was maximum at 7 C but decreased very rapidly if the vernalization temperature was raised to 9 C or lowered to 3 C. The barley variety required a vernalization period greater than 12 days. Effectiveness of the cold treatment of barley seedlings was maximum at 9 C and decreased rapidly if the vernalization temperature was raised to 12 C or lowered to4 C.