Annual Ryegrass

Stockaid annual ryegrass was developed by the Florida Agricultural Experiment Station and co-released with the Nebraska Agricultural Experiment Station. It was tested as FL/NE X2002 (New 2) LRCT.

Stockaid was selected for an initial nursery consisting of 33% Marshall Breeder Seed, 33% Florlina select, 17% Siken (a very cold tolerant cultivar) and 16% Surrey II select which is more cold tolerant than Surrey. Equal portions of plants of each type were selected at Scottsbluff, Nebraska and Gainesville, Florida.

The cycle-two nursery consisted of selected seed traceable to Marshall Breeder Seed (33%), 25% Siken and 8.3% Florlina and 33% from the first cycle of selection as a general composite. In cycle-three, seed of all genotypes of selected plants from both Gainesville and Scottsbluff were interplanted and allowed to intercross. Plants were selected in all genotypes in a grid and equal quantities of seed harvested per plant.

In the cycle-four nursery equal quantities of seed from Florida and Nebraska nurseries were intercrossed. Plants were selected at both Florida and Nebraska locations over all genotypes and harvested for use in the next cycle. More than 90% of plants were killed by cold in Nebraska in this season. The seed from the remaining 10% of surviving plants was then used in the cycle-five nursery.

The cycle-five nursery consisted of equal quantities of seed of selected plants from both Florida and Nebraska cycle-four nurseries. Plants were selected at both locations and seed harvested from individual plants. Seed was composited at both locations and then equal quantities of these composites were mixed and used for planting prebreeding seed for testing. Testing of the prebreeder seed has shown excellent uniformity and forage potential.

Stockaid has late maturity, crownrust resistance, gray leaf spot resistance and excellent cold weather hardiness. It is expected to be best adapted to the northern edge of annual ryegrass production regions, but with good adaptation over the entire ryegrass production area.

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	PURE GENIUS - Corral Corral, a tetraploid annual ryegraass, was developed from superior selections out of a mixture of Bison and another significant tetraploid species.
	PURE GENIUS - Florlina Florlina (formerly NC/FL X 1997 LRCT) is a select annual diploid ryegrass that was jointly developed by Gordon Prine, the University of Florida and Paul Mueller, at North Carolina State University.
	PURE GENIUS - Stockaid Want a great weight gain in your livestock? Then choose "Stockaid". The product has been developed for the extreme heat and cold weather in the Midwest, Southeast and Northern border states. It stays green longer and provides a strong base of nutrients for enhanced livestock growth.