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The benefits of planting Hybrid Corn over open pollinated corn are much larger yields, both in grain and for en- 
silage purposes, strong roots, and evenness of ears on the stalk. Stalks stand up much better. 
This year we will again feature Colorado grown State Registered and sealed Hybrid Corn. This means that the corn 
is grown under rigid rules and supervision. Stock seed must be of known and proven parentage. Fields have to 
be isolated from all other corn and carefully detasseled at the proper time. 
Germination must be high to rate Blue Tag. 
Colorado Grown Corn is adapted to this region. 


AVERAGE YIELD AND AGRONOMIC DATA OF HYBRID CORN VARIETIES TESTED AT 
FORT COLLINS, COLORADO, FOR 4 YEARS FROM 1943-1946, INCLUSIVE 
*Yield of Per cent broken 

Hybrid shelled Wt. per Days moisture plants or 
or corn measured to in corn with smutted lodged 
Rank variety per acre, bushel, Silk at harvest suckers plants stalks 
bushels Ibs. Number Per cent Per cent Per cent Per cent 
1 Colorado 152 89.55 51.8 86 26.54 2 0 18 
2 De Kalb 65 89.47 55.8 87 22.16 3 in 12 
3 De Kalb 240 88.95 54.6 90 26.56 5 2 12 
4 Funk G-178 86.66 53.9 85 23.72 4 1 6 
5 Colorado 151 84.34 51.9 88 27.29 2 ] 12 
6 Colorado 153 84.30 53.4 88 24.79 4 0 9 
7 Funk G-12 83.49 50.6 90 29.80 4 1 is 
8 Colorado 176 83.40 50.1 89 28.76 Ie 0 12 
9 Funk G-7 81.20 49.3 89 30.06 2 1 7 
10 De Kalb 404A 76.50 50.1 91 33.57 3 0 fi 
ilk Pioneer 341 74.97 46.0 92 38.74 il 0 } 
* Shelled corn on the basis of 15.5 per cent moisture. 
Average yield of all varieties—83.89 bushels per acre. 
Difference to be statistically significant—4.24 bushels per acre, 
1949 PRICES—$11.00 PER BUSHEL 
MEDIUM FLAT GRAIN. 
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COLORADO 125 (Wisconsin 455) J-21, 120-day. This is another top notcher in its maturity 
One of the best to use for higher altitudes. class. In the official test plot for 1947 on Herb Graves 
A Yellow Corn that is regarded as maturing in 100 days. farm it made 118.62 bushels. 
It will usually mature grain in northern Colorado when 
planted as late as June Ist. It is about ten days earlier = x Balhae 
than Minnesota 13 or Colorado 13. COLORADO 151 (Wisconsin 570) 
WISCONSIN 416, 95-day. This is an outstanding early A Yellow Corn. Regarded as a 110-day corn. Usually 
hybrid. Outyielding Colorado 13 under official super- matures grain in northern Colorado. Yields well. Excep- 
TR REE ye Cares ety iy ice eae a tionally well for grain, it has outyielded Colorado 13 under 
, “day. us aydrid outylelding Colo- actual farm conditio h as 40%. 
rado 125 in the test plot at the Colorado A. & M. in as ipeaee % 
1947, and is doing better for farmers under irrigation COLORADO 152. A constant top yielder in Colorado 
this year, A. & M. plots at Fort Collins. 110-day maturity. 
J-18, 118-day. This is an outstanding hybrid for the Platte ; 
Valley and regions of the same maturity. Farmers COLORADO 176. Adapted to regions such as the Platte 
that have tried it in the Fort Lupton area think it is valley or of similar maturity date. Has shown up well 
tops. in dry land plots as well as in irrigated sections. 
36 
