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MRCS suggested alfalfa list: <br />• , <br />Western Colorado Alfalfa't~ariftty Performance Test at Fraita 2006 " <br />The•2006 results of Colorado State University's alfalfa variety performance test at Frvita arc presented in <br />this report. Plats were planted fa112004 and the 2006 data are for the second year of a three-year testing <br />pe~dod. Results for 2006 are presented in Table 1 • Alfalfa stands are exceUantand plofa were weed-free <br />daring the growing season. The field was farrow-irrigated using gaud pipe. Summer 2006 is western <br />Colorado v<•as very favorable for crop production and alfalfa yields wtxe excellent.. <br />in 2006, there were 14 days during the stttttmcr when tetnpcratutrs reached I00°F. In 2005, there were <br />l0 ten days doting the sttttttncr when temperatures reached 100°F. The average growing season for <br />Fnuta is 181 days. The 2006 growing season was 184 days. <br /> <br />Trtble 1. Foraec yields of 11 alfalfa varieties at Frnita in 2006.1 <br /> 1"Cut 2nd Cut 3`d Cut 4 Cut 2006 2-yr <br />Variety Souree/Brand May 25 7uly 13 Aug 29 Oct 4 Total= Total <br /> lons/acte' <br />Mountaineer 20 Croplan Genetics 3.82 3.02 2.I2 1.31 10.27 • 1991 <br />j W1:357 HQ W L Research 3.73 3.08 2.12 1.29 70.22 1Q.60 <br />C3arst~ Garst 3.84 2.99 2.14 1.19 10.16 19.38 <br />45~t2 Forage Genetics Intl 3.60 3.08 213 1.28 • 10.10 19.74 <br />FSG 351 Allied Sad, LL.C. 3.48 3.36 217 1.18 lO.OD 19.85 <br />CVV 15030 CaUWestSuds 3.55 2.9T 2.20 1.26 9.98 19.44 <br />FSG 408DP Allied 5eu1, L.L.C. 3.42 3.09 2.15 1.t9 9.85 19.11 <br />FSG 505 Allied Seed, L.L.C. 3.62 2.9U 2.08 1.22 9.81 19.42 <br />Bullseye Target Sexd 3.57 2.75 2.25 1.23 9.80• 18.58 <br />CW 13014 CoUWest Seeds 3.46 2.83 2.08 1.Z3 9.60 19.17 <br />FSG 406 Allied Sead, L.L.C. 3.54 2.84 1.97 1.16 9.50 • ! 8.90 <br />Average • 3.60 297 2.13 1.23 9.94 1937 <br />~roA 8.29 5.99 4.33 6.16 3.94 3.48 <br />LSDmon NS 0.26 D.t3 NS TiS NS <br />~3a1 conducted on the Western Colorado Research Centor, seeded 8/26J4t1 at 15 Ibs/acre <br />t'1'a[bic is amnged by decreasing 2006 total yield. , <br />'Yields wero calculated on an air-dry basis. <br />Last spring frost - Apri121, 2006; first fell Cost- October Z2, 2006. Frost-freo days for 2006 - 184 days (28°F <br />ba:x). Fertilizer: 2761bs PtOt/acre and 1O81ba Nlacre broadeasYas 18.46.0 on August 16, 2004 and plowed down <br />prior to planting. Applied Pursuit DO at I.44 oT/aero plus Se(cct at 10 o~/aae (added 1 qt. ofUAN plus t qt. crop <br />oil concentrate in 100 gallons oPwater) using 22 gars watedacre at 25 psi for weed eontml on 3 Maz 2006. <br />~gntact; Dt. Calvin H. Pearson, ProfessorJReswtchAgroaomist <br />Colorado State lhuvcrsity <br />Agricultural Facperiment Station <br />W estem Colorado Research Confer -Fruits <br />1910 L Road, Fruits, CO 81521 <br />Phona970.858-3629, Fax 970-858-0461 <br />email: Calvin. on colostate.edu <br />