58 CROSSBREEDING CORl?. 



Table XVI. — Yield record of 11 varieties of corn and their crossed progeny tested at 



Statesboro, Ga. — Continued. 



Statiox Yellow 9 X Rodgers White Dent c?.i 



Seed 

 ear 

 No. 



Num- 

 ber 

 of 

 perfect 



hills. 



Kind of product. 



/Ears . , 

 \Stalks 

 lEars., 

 tstalks 

 JEars . , 

 \Stalks 

 (Ears., 

 \S talks 

 (Ears . , 

 \Stalks 

 (Ears . , 

 \Stalks 

 /Ears . , 

 tstalks 

 (Ears.. 

 (Stalks 

 (Ears.. 

 \Stalks 

 (Ears.. 

 \Stalks 



Weight of product (pounds). 



Total. 



Origi- 

 nal. 



8.25 

 13.00 

 11.75 

 20.00 

 11.00 

 19.25 

 10.00 

 16.50 



9.50 

 14.00 

 11.25 

 19.00 



8.75 

 15.00 

 11.75 

 19.25 



8.50 

 13.00 



8.50 

 13.75 



Cross. 



8.75 

 14.00 

 15.75 

 26.50 

 10.50 

 19.50 

 11.00 

 18.25 

 13.25 

 19.75 

 12.25 

 19.50 



8.75 

 16.00 

 13.50 

 21.00 

 10.75 

 17.50 



7.75 

 12.25 



Per stalk. 



Origi- 

 nal. 



0.52 



.81 

 .53 

 .91 

 .61 



1.07 

 .53 

 .87 

 .43 

 .64 

 .59 



1.00 

 .55 

 .94 

 .56 

 .92 

 .43 

 .65 

 .47 

 .76 



Cross. 



0.55 



.88 

 .72 



1.20 

 .58 



1.08 

 .58 

 .96 

 .60 

 .90 

 .64 



1.03 

 .55 



1.00 

 .04 



1.00 

 .54 

 .88 

 .43 

 .68 



Differ- 

 ence. 



0.03 

 .07 

 .19 

 .29 



-.03 

 .01 

 .05 

 .09 

 .17 

 .26 

 .05 

 .03 

 .00 

 .06 

 .08 

 .08 

 .11 

 .23 



-.04 



-.08 



Per 

 cent 



of 

 differ- 

 ence. 



6> 



8 



34 



33 



— 5 

 1 



10 



11 



39 



41 



9 



3 







7 



15 



9 



26 



35 



- 9 

 -11 



Number of ears 

 produced. 



Origi- 

 nal. 



17 



24 



20 



23 



22 



26 



10 



21 



20 



20 



Cross. 



17 



24 



19 



19 



26 



21 



16 



21 



21 



19 



TiNDAL 9 X Marlboro Prolific c?-' 



/Ears.... 

 \Stalks... 

 /Ears.... 

 tstalks... 



/Ears 



tstalks... 



/Ears 



tstalks... 



/Ears 



tstalks... 



/Ears 



tstalks... 

 /Ears.... 

 IStalks... 

 /Ears.... 

 tstalks... 



/Ears 



tstalks... 



/Ears 



tstalks. . . 



11.75 

 17.50 



9.50 

 14.50 

 12.00 

 18.00 

 11.00 

 17. 75 



9.50 

 16.25 



7.50 

 12.50 

 15.00 

 23. 75 



9.00 

 14.00 



9.00 

 13. 50 

 12. 00 

 18.00 



12.00 

 18.75 



9.50 

 14.75 

 12.00 

 18.75 

 12.25 

 19.25 



8.25 

 13.50 



7.50 

 12.00 

 11.25 

 18.00 



9.75 

 15.00 



8.75 

 13.50 

 12.25 

 18.75 



0.53 

 .80 

 .50 

 .76 

 .52 

 .78 

 .52 

 .85 

 .53 

 .90 

 .50 

 .83 

 .63 

 .99 

 .53 

 .82 

 .50 

 .75 

 .50 

 .75 



0.55 

 .85 

 .50 

 .78 

 .52 

 .82 

 .58 

 .92 

 .46 

 .75 

 .50 

 .80 

 .47 

 .75 

 .57 

 .88 

 .49 

 .75 

 .51 

 .78 



0.02 



.05 



.00 



.02 



.00 



.04 



.06 



.07 



-.07 



-.15 



.00 



-.03 



-.16 



-.24 



.04 



.06 



-.01 



.00 



.01 



.03 



2 



7 







2 







4 



11 



8 



-13 



-17 







- 4 

 -25 

 -24 



8 

 7 



- 3 

 

 2 

 4 



30 



27 

 33 



30 

 '26 



19 

 "37' 

 '21' 



19 

 '33' 



34 

 '25 

 '32 

 '33 

 '23 



"ie 



'26 



'2! 



19 



26 



1 Favoring the cross: Ears, 7 out of 10; stalks, 9 out of 10. Average weight of ears per stalk produced by 

 the female parent, 0.52 pound; by the cross, 0.59 pound. Average weight of stover per stalk produced by 

 female parent, 0.8.5 pound; by the cross, 0.96 pound. Increased yield of cross over the female parent: 

 Grain, 13 per cent; stover, 13 percent. 



2 Favoring the cro.s.s: Ears, 4 out of 10; stalks, C out of 10. .\verage weight of ears per stalk produced by 

 the female parent, 0..53 pound; by the cross, 0.51 pound. .Vverago weight of stover per stalk produced by 

 female parent, 0.82 pound; by the cross, O.Sl povmd. Increased yield of cross over the female parent: 

 Grain, —3 per cent; stover, —2 per cent. 



218 



