four years, differences between blocks, varieties, and years were highly 

 significant as well as the interaction between blocks and years. The inter- 

 action between varieties and years was not significant. 



Table 7. Forage Yields (Pounds of Dry Matter Per Acre) for Seven Lodino Seed Lots, 



Durham, New Hampshire, 1951-1954* 



* Average of three replications. 



t Pounds per acre required for ilifference between strains to be statistically 

 significant. 



t Not significant. 



Table 8. Forage Yields (Pounds of Dry Matter Per Acre) for Nine Ladino Seed Lots, 



Dover, New Hampshire, 1954-1955* 



Year 



Seed Lot 1954 1955 A 



verage 



1. FC 24128 (Cert S. California) 2557 2810 2684 



2. FC 24127 (Cert. C. California) 2152 3288 2720 



3. FC 24126 (Cert. N. California) 1354 2456 1904 



4. FC 24074 (First Generation. Pilgrim. Washington) 2245 2831 2538 

 .5. FC 24075 ( First Generation, Pilgrim. California) 2354 3068 2712 



6. FC 24363 2560 2804 2682 

 (Second Generation. Pilgrim. Washington) 



7. FC 246.57 (Italian) 1836 2768 2302 



8. FC 24818 (Composite of Western Seed) 2650 3029 2840 



9. Vermont Polyploid 1841 2643 2242 



Average 2172 2855 2514 



* Three plots seeded alone and three with bromegrass for each seed lot. Yields 

 include the bromegrass fraction. 



13 



