Maryland, Virginia, Tennessee, Missouri, Kansas, Colorado, Utah, 

 Nevada, and California. Northward its area of adaptation runs to the 

 Canadian border. 



Vernal is also wilt resistant and is more winter hardy than Ranger. 

 It is a high producer that withstands early cutting and relatively 

 heavy grazing. It is being grown in Michigan, Wisconsin, Minnesota, 

 and the border areas of adjoining States. Its adaptability to eastern 

 States of the same latitude has not been fully determined. 



Buffalo is slightly less resistant to wilt and cold than either Ranger 

 or Vernal. However, it has a wide area of adaptability which extends 

 across the central portion of the United States. On the north the 

 area is bounded by a line running through southern Connecticut 

 and New York, northern Pennsylvania, Ohio, Indiana, and Illinois, 

 and southern Iowa, Nebraska, and Wyoming. In Idaho the line turns 

 northward, proceeding through the northern part of that State and 

 through the northeastern corner of Washington to the Canadian 

 border. On the south the line runs through central North Carolina, 

 northern Georgia, Alabama, and Mississippi, southern Arkansas and 

 Oklahoma, the Texas Panhandle, northern New Mexico and Arizona 

 and then turns north, running through the northeastern corner of 

 Nevada and Oregon and to the coast along the southern border of 

 Washington. 



Atlantic is a high -yielding variety with a wide range of adaptation. 

 It is somewhat tolerant of- -but not resistant to --bacterial wilt. It is 

 adapted to the area that extends south from southern Maine into 

 North Carolina and west to the Mississippi River. It has also yielded 

 well in Texas, Wyoming, Colorado, Utah, Idaho, and Washington. 



Narragansett is a high-yielding variety that has a high degree of cold 

 resistance, but is not particularly resistant to disease. It is adapted 

 to Pennsylvania, New York, Connecticut, Rhode Island, and to the 

 States to the north. Seed increase of this variety has not fully met 

 the demand. 



Williamsburg is a high-yielding, persistent, competitive variety 

 under Maryland, Virginia, and North Carolina conditions. It is re- 

 sistant to stem rot. 



Lahontan is noted for its resistance to the spotted alfalfa aphid, a 

 small insect that is capable of killing alfalfa in the early seedling 

 stage and of defoliating and ofttimes killing older plants. The variety 

 is also wilt resistant and practically immune to the stem nematode. 

 Its known range of adaptation includes Nevada, Utah, northern 

 California, and southern Oregon. Within this range it equals Ranger 

 in yield in those areas free of the stem nematode and the spotted 

 alfalfa aphid. In areas infested with these two pests, Lahontan out- 

 yields all other varieties, as well as common. It is now being tested 

 for adaptability in a number of States where the alfalfa aphid has 

 appeared. The variety, however, is highly susceptible to those foliage 

 diseases present in humid areas. It has about the same winter hardi- 

 ness as Buffalo. Seed supply is somewhat limited. 



Caliverde is highly resistant to bacterial wilt, common leaf spot, 

 and downy mildew. It has little cold resistance. The variety is widely 

 used in the central valley of California. 



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