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Full-Text Articles in Life Sciences
Scotch Pine: Variation And Performance In Minnesota, Muhammad A. K. Khalil
Scotch Pine: Variation And Performance In Minnesota, Muhammad A. K. Khalil
Journal of the Minnesota Academy of Science
Scotch pine exhibits clinal variation from north to south in two characteristics: viz., the number of days after April 15 to the time of maximum rote of height growth, and total height after the age of 17 years. There is east-west clinal variation with respect to two characteristics: viz., the number of days after April 15 to the beginning of height growth, and to the time of the maximum rote of height growth. The twelve out of the fifteen varieties analyzed showed the existence of valid sub-varieties or ecotypes. Varieties from central Europe were the fastest growing in each of …
Variation In Nymphaea, The White Waterlily, In The Itasca State Park Region, Paul H. Monson
Variation In Nymphaea, The White Waterlily, In The Itasca State Park Region, Paul H. Monson
Journal of the Minnesota Academy of Science
No abstract provided.