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Patterns of leaf expansion, under various light and temperature régimes, were studied in races of L. perenne and D. glomerata representing the climati...

Leaf expansion was investigated in 10 ecotypes of Lolium perenne and 7 of Dactylis glomerata. Seasonal sowings revealed a regular cline in relative ra...

Trimmed tillers, excised roots and excised laminae of tall fescue were subjected to various temp. down to -12 deg C for various exposure times and at ...

[Cf. FA 33, 3807]. The response of net photosynthesis (F), and stomatal resistance (rs) and mesophyll resistance (rm) to CO2 flux, to a stepwise seque...

According to the range limit hypothesis, the distribution of many temperate species is restricted by a trade-off between their capacity to survive win...

Accessions of C. virginianum were tested for response to frosting in the field and in controlled environments. Accessions differed in their ability to...

Populations were collected from twelve sites in Switzerland and Italy. Tetraploids occurred in grassland at high altitudes but in woodlands down to 11...

A. fatua and A. barbata plants were collected from a wide geographic range in Western Australia and tested for their temp. and daylength responses. Al...

During the winter 1963-64 the North African synthetic variety, SynII, showed a greater relative growth rate than the British S170. Of two north temper...

Forests of mountain birch (Betula pubescens subsp. tortuosa [B. tortuosa]) in the lower parts of the Abisko valley, northern Sweden, and in the Finnma...