National Geographic : 1944 Jun
The Tasseled Rows Father, the Detasseled Rows Mother, a Sturdy Hybrid Sweet Corn forSeed Each plant contains two elements of parenthood, male in the tassel, female in the silk. To produce a sturdier hybrid,the seed corn iscollected from detasseled plants fertilized from plants of another strain. Here two rows of Iowa No. 45 (center) fertilize six rows of Purdue (Indiana) No. 39toproduce "loana" (Plate XVI).