The response of net photosynthesis to changing light-flux density by leaves of Lolium multiflorum (S. 22) and L. perenne (S. 321) is more adequately described by current models when a term allowing ...

COOPER 1 has recorded that Lolium temulentum is a long-day summer annual which shows no response to vernalization by low temperatures, and has no sharply defined critical photoperiod. My results, ...

The dynamics of herbicide resistance evolution in plants are influenced by many factors, especially the biochemical and genetic basis of resistance. Herbicide resistance can be endowed by enhanced ...

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