SX-418
Applicant: The Sexauer Company
P.0. Box 58
Brookings, SD 57006
Description
SX-4l8 was produced from a 30 clone synthetic selected from one cycle of Phytophthora root rot and anthracnose greenhouse screening tests. Three of the clones the USDA germplasm release, Beltsville 2An4, 13 from Saranac, and 14 from a FSRC Flemish variety germplasm pool.
SX-418 will be marketed primarily for use as a hay crop in the upper north central states where is has demonstrated good winter survival. Forage yield evaluation has been conducted in South Dakota, Minnesota, Illinois, Ohio and Missouri.
Flower color is uniformily purple and growth habit is erect and very uniform.
SX-418 has a moderate level of resistance to bacterial wilt and a low level of resistance to anthracnose. No critical data are available for levels of resistance to pea aphid, spotted alfalfa aphid, Phytophthora root rot and stem nematode.
Seed increase shall be on a limited generation basis with one generation each of breeder, foundation and certified seed classes.
Some foundation seed will be offered for sale in 1979 and certified seed will be available in 1980.
No decision has been made for plant variety protection.