THE INTERNATIONAL SAWFLY YIELD NURSERY
 
 The 16 entries in the 1979 International Sawfly Yield Performance
 Nursery are listed below
 
 Entry	Cross			C.I. No. or 	Year
 No.	or Variety		Sel. No.	Entered	Source
 
 1	Fortuna			13596		1963	USDA-ND
 2	Chris			13751		1971	USDA-MN
 3	Tioga			17286		1969	USDA-ND
 4	Waldron			13958		1975	USDA-ND
 5	Lew			17429		1972	USDA-MT
 6	Thatcher		10003		1976	USDA-MT
 7	WRN//S6579/ND487	SU 28's'-1	1976	ND
 8	Tioga/WRN		SU 56		1976	ND
 9	WRN*2/S6579		SU 7's'-3	1977	ND
 10	Tioga/WRN		SU 57		1977	ND
 11	Chinook*2/5046-98	7748-2768	1977	Can-Lethbridge
 12	B52-91//KF/CNt/3/Pta	MT766		1978	USDA-MT
 13	P1330457/Fortuna	MT7732**	1979	USDA-MT
 14	B52-91//KF/CNt/3/Fta	MT7620		1979	USDA-MT
 15	SR4553/Fortuna		MT7810**	1979	USDA-MT
 16	ND6850/Fortuna		MT783		1979	USDA-MT
 
 
 **Semidwarf
 
 Trial Description and Summary
 
 The International Sawfly Nursery was planted at 5 locations in North Dakota and Montana, but 
 harvested at 4. Data are given in Tables 5-1 to 5-4. Entries at Fargo had the highest 
 average yield with 35.1 Bu/A, while entries at Williston had the lowest with 26.4 Bu/A.
 
 Average yields and bushel weights in 1979, 1978-79, and 1977-79 for entries in this nursery 
 are given in Table 6. SU 7's'-1 ranked first with 37.1 Bu/A, 7748-2758 had the lowest 
 average with 27.4 Bu/A.
 
 Miscellaneous agronomic and disease data are summarized in Table 7-1 and 7-2. No stem 
 cutting data was obtained on the entries at Lethbridge, Canada in 1979.