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NDSU Main Station * North Dakota Agricultural Experiment Station
315 Morrill, NDSU Fargo, ND 58105, Voice: (701) 231-7655 fax: (701) 231-8520


NORTH DAKOTA Agricultural Experiment Station, Carrington, ND; seeded 1997, irrigated.
   

2000 forage yield by harvest

         
3-cut:

Entry 4-cut:

6-8 7-18 8-17           97-00 Relative yield
6-8 7-12 8-10 10-23 total 1999 1998 1997 total

2000

97-00

   

-------------------------tons drymatter/acre----------------

---% of Vernal---
     

3-cut system

     
                         
DK 127   2.60 1.72 1.09   5.41 6.51 7.21 1.68 20.82 112.8 105.2
DK 140   2.47 1.65 1.20   5.32 6.66 7.25 1.74 20.97 110.9 106.0
5312   2.36 1.45 1.18   4.99 7.11 7.05 1.79 20.94 104.1 105.8
5347LH   2.11 1.41 1.01   4.53 6.5 7.42 1.66 20.10 94.5 101.6
5454   2.54 1.87 1.29   5.70 6.65 7.46 1.66 21.47 118.8 108.4
620   2.38 1.58 1.12   5.08 6.32 7.40 1.71 20.51 106.0 103.6
Columbia 2000   2.32 1.57 1.00   4.89 6.74 7.56 1.61 20.80 101.9 105.1
WL 324   2.57 1.58 1.18   5.33 6.71 7.19 1.72 20.96 111.1 105.9
WL 325 HQ   2.37 1.71 1.22   5.30 6.65 7.38 1.59 20.93 110.6 105.7
Vernal (Foun.)   2.45 1.52 1.01   4.98 6.34 7.08 1.69 20.09 103.8 101.5
Vernal (Cert.)   2.26 1.37 0.98   4.61 6.06 7.37 1.46 19.50 96.2 98.5
                         
Mean   2.40 1.58 1.12   5.10 6.57 7.31 1.66 20.64 106.4 104.3
LSD (0.05)   0.40# 0.59# 0.28#   0.97# 1.07# 0.70# 0.17 1.14# 20.2# 5.7#
CV (%)   7.4 16.8 11.3   8.5 7.3 6.7 7.1 3.8 8.5 3.8
MCV (%)   16.6 37.4 25.1   18.9 16.2 9.7 10.2 5.5 18.9 5.5
LSR (%)   81.5 119.3 89.8   89.2 101.5 276.0 51.0 57.8 89.2 57.8
               
     

4-cut system

     
                         
DK 127   1.82 1.22 1.06 0.62 4.72 5.46 6.84 3.02 20.04 96.1 101.5
DK 140   2.01 1.40 1.13 0.64 5.18 5.23 7.00 2.83 20.24 105.4 102.5
5312   2.06 1.18 1.20 0.69 5.43 5.82 7.39 2.79 21.43 110.7 108.6
5347LH   1.87 1.21 1.03 0.62 4.73 5.89 7.22 2.87 20.70 96.2 104.9
5454   2.05 1.42 1.17 0.62 5.26 5.99 7.02 2.88 21.15 107.0 107.1
620   2.20 1.48 1.21 0.60 5.49 6.15 7.31 2.89 21.85 111.8 110.7
Columbia 2000   2.11 1.42 1.17 0.64 5.34 5.68 7.06 3.08 21.16 108.8 107.2
WL 324   2.09 1.34 1.36 0.64 5.43 5.84 7.01 2.98 21.26 110.6 107.7
WL 325 HQ   2.24 1.37 1.36 0.65 5.62 5.58 7.18 2.83 21.21 114.4 107.4
Vernal (Foun.)   2.05 1.32 1.10 0.59 5.06 5.67 6.46 2.54 19.73 103.0 100.0
Vernal (Cert.)   1.98 1.24 0.96 0.58 4.76 5.46 6.80 2.73 19.75 97.0 100.0
                         
Mean   2.04 1.35 1.16 0.62 5.18 5.71 7.03 2.86 20.78 105.5 105.2
LSD (0.05)   0.57# 0.30# 0.19# 0.09# 0.94# 0.77# 0.43# 0.20 1.32 19.1# 6.7
CV (%)   12.4 9.8 7.5 6.4 8.1 9.4 4.3 4.7 4.4 8.1 4.4
MCV (%)   27.7 21.8 16.8 14.4 18.1 13.6 6.1 6.8 6.4 18.1 6.4
LSR (%)   132.9 122.6 48.7 81.6 104.3 84.2 46.0 36.0 63.0 104.3 63.0
                         
�Design: Splitplot, cuts = mainplot
Seeding method: Broadcast
Seeding rate: 25 lb/acre
Seeding date: May 27, 1997
Fertilization: 50 P & 100 K lb/acre
Cuttings: 1997 (1/2), 98-00 (3/4)
Plot size: 3 by 18 ft
Harvest plot: 34" by 13 ft
Soil type: Fargo clay
Replicates: Four
Herbicide: None in 2000
Insecticide: None in 2000

 Seed obtained from Dan Undersander at University of Wisconsin

Forage yield based on two replicates that had acceptable stands to leave in following winter kill in 1998-99.
#
F - test nonsignificant


2000 Variety Trial Index (http://www.ag.ndsu.nodak.edu/fargo/00data/index.htm)
NDSU Main Station (http://www.ag.ndsu.nodak.edu/fargo/)
NDSU Agriculture (http://www.ag.ndsu.nodak.edu/)
Email: mpeel@ndsuext.nodak.edu