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The quality and nutritional value of Irish perennialryegrass has an important bearing on the economy.
2
Stubley's eyes light up as he contemplates the wonders of 100 percent perennialryegrass with its magic combination of Pontiac, Melbourne and Venice strains.
3
This follows confirmation of glyphosate resistance in both annual and perennialryegrass in some Marlborough vineyards, where the chemical is regularly used to control weeds.
4
This has resulted in a situation where the annual average genetic gain for perennialryegrass is 0.2 percent to 0.5 percent.