Notice to hybrid carrot seed producers regarding release of carrot inbred line, MSU 9541, and the three-way processing-type hybrid, Spartan Bonus, (MSU 1558 x MSU 5931) x MSU 9541

The Department of Horticulture, Michigan Agricultural Experiment Station, announces the release of carrot inbred line MSU 9541 and the processing hybrid SPARTANBONUS. MSU 9541 was developed from a selection of the variety Danvers 126. The selection was selfed one generation and subsequently selected and massed under screen isolation for four additional generations. The roots are a uniform deep orange color, approximately seven inches in length with a medium taper, stump tip and slightly indented crown. The plants are vigorous during flowering with numerous, large umbels and abundant pollen.