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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...

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...

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

The loss of foundational but fire-intolerant perennials such as sagebrush due to increases in fire size and frequency in semi-arid regions has motivat...

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...

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...

Bacillus thuringiensis (Bt) crops kill pest larvae but have led to resistance evolution in several target pests. The high dose-refuge (HDR) strategy a...

The dramatic expansion of rubber plantations in mainland South-East Asia and south-west China has caused many eco-environmental problems, especially n...