Table 4. UC SCOTT VALLEY ALFALFA CULTIVAR TRIAL 1999-2001 YIELDS. TRIAL PLANTED 4/22/99
  % OF
ENTRY 1999 2000 2001 AVERAGE                     VERNAL
Dry Tons/acre %
Released Varieties
Dura 512 4.20 (02) 8.08 (01) 7.55 (17) 6.61 (01) A                   109.9
Select 4.15 (05) 7.79 (03) 7.88 (07) 6.61 (02) A B                 109.8
Reno 4.16 (04) 7.67 (08) 7.89 (06) 6.57 (03) A B C               109.3
Plumas (3L102) 4.03 (11) 7.75 (05) 7.87 (08) 6.55 (04) A B C D             108.9
WL 327 4.26 (01) 7.56 (11) 7.67 (10) 6.50 (05) A B C D E           108.1
Blazer XL 4.11 (07) 7.76 (04) 7.59 (15) 6.49 (06) A B C D E           107.9
Sentry 4.07 (09) 7.82 (02) 7.46 (21) 6.45 (07) A B C D E F         107.2
53V08 3.51 (28) 7.57 (10) 8.22 (02) 6.44 (08) A B C D E F G       107.0
Forecast 3001 3.58 (25) 7.72 (07) 7.97 (05) 6.43 (09) A B C D E F G       106.8
330 4.01 (14) 7.47 (17) 7.64 (11) 6.37 (10) A B C D E F G H     106.0
329 3.97 (15) 7.58 (09) 7.51 (18) 6.35 (12) A B C D E F G H     105.7
WL 334 RK 3.47 (32) 7.23 (28) 8.26 (01) 6.32 (13) A B C D E F G H I   105.0
Dura 400 4.02 (13) 7.51 (15) 7.47 (20) 6.30 (14) A B C D E F G H I   104.8
Gold Plus 4.08 (08) 7.73 (06) 7.16 (29) 6.30 (15)   B C D E F G H I   104.8
Key 2 4.06 (10) 7.49 (16) 7.32 (27) 6.29 (16)     C D E F G H I   104.6
Spirit 3.80 (20) 7.38 (19) 7.62 (13) 6.28 (17)     C D E F G H I   104.4
WL 325 HQ 3.80 (19) 7.53 (14) 7.49 (19) 6.27 (18)     C D E F G H I   104.3
Forecast 1001 3.51 (29) 7.28 (25) 7.98 (03) 6.26 (19)       D E F G H I   104.0
Innovator+Z 4.03 (12) 7.36 (22) 7.37 (26) 6.26 (20)       D E F G H I   104.0
Leaf Master 4.20 (03) 7.47 (18) 7.07 (30) 6.24 (21)         E F G H I   103.8
AlfaStar 3.90 (16) 7.38 (20) 7.44 (22) 6.24 (22)         E F G H I   103.8
DK 142 4.12 (06) 7.55 (13) 7.00 (32) 6.23 (23)         E F G H I J 103.5
TriStar 3.65 (23) 7.36 (21) 7.63 (12) 6.21 (24)         E F G H I J 103.3
Fortress 3.72 (21) 7.35 (23) 7.41 (24) 6.16 (26)           F G H I J 102.5
Affinity+Z 3.60 (24) 7.29 (24) 7.41 (23) 6.10 (28)               H I J 101.5
Magnum V 3.58 (26) 7.09 (30) 7.56 (16) 6.07 (29)               H I J 101.0
Amerigraze 401+Z 3.80 (18) 7.24 (26) 7.06 (31) 6.03 (30)                 I J 100.3
Vernal 3.55 (27) 7.24 (27) 7.25 (28) 6.01 (31)                 I J 100.0
Archer II 3.48 (30) 6.91 (32) 7.41 (25) 5.93 (32)                   J 98.6
Experimental Varieties
ZX 9853 3.82 (17) 7.55 (12) 7.81 (09) 6.37 (11) A B C D E F G H     106.0
ZG 9650A 3.47 (31) 7.06 (31) 7.98 (04) 6.17 (25)           F G H I J 102.6
ZX 9451 3.66 (22) 7.13 (29) 7.60 (14) 6.14 (27)             G H I J 102.0
 
MEAN 3.85   7.47 7.58   6.33
 
CV 4.8    4.6 5.3    4.1
LSD (.05) 0.23     0.43   0.5     0.31                        
 
VARIETY X YEAR INTERACTION IS SIGNIFICANT
Trial seeded at 25 lb/acre viable seed at Scott Valley,CA.
Entries followed by the same letter are not significantly different at the 5% probability level 
                     according to Fishers (protected) LSD.
NOTES:  This trial was conducted as a 4-cut system in 2000, and as a 3-cut system in 2001. There were 2 cuts in 1999.
Potassium deficiency was observed during the 2001 season.
These factors may have changed the relative rankings of the varieties.