Corn; growing, judging, breeding, feeding, marketing; for the farmer and student of agriculture, a text-book for agricultural colleges and high schools . (Courtesy Iowa State College) Fig. 15a. EAR IN SILK.(Entire Tassel.) FERTILIZATION. (Courtesy Sargent) Fig. 15b. Maiie. 1. A young ear cut through themiddle lengthwise. Sk, Sk, the mainstalk; Sk, the branch silk which bears the ear- Sh, sheath of the leaf enfoldingthe whole ear; RG, rain guard; B, bladeof the same leaf; H, husks; Sg, stigmas(Silk) protruding beyond the jusks. II. A single spikelet of the ear. showingthe bracts (C, C, D, E, D,
Corn; growing, judging, breeding, feeding, marketing; for the farmer and student of agriculture, a text-book for agricultural colleges and high schools . (Courtesy Iowa State College) Fig. 15a. EAR IN SILK.(Entire Tassel.) FERTILIZATION. (Courtesy Sargent) Fig. 15b. Maiie. 1. A young ear cut through themiddle lengthwise. Sk, Sk, the mainstalk; Sk, the branch silk which bears the ear- Sh, sheath of the leaf enfoldingthe whole ear; RG, rain guard; B, bladeof the same leaf; H, husks; Sg, stigmas(Silk) protruding beyond the jusks. II. A single spikelet of the ear. showingthe bracts (C, C, D, E, D, E) and theovary (O) and the lower part of thestyle (Sy) of the single pistil. Enlarged. III. Upper part of stigma, showing thedelicate hairs that cover it. Enlarged.(Original.) unites with the egg cell, whichhas been formed within theovule. This constitutes the actof fertilization. But one grainis required for the fertilizationof each ovule. The fertilizedovule immediately begins togrow and together with thesurrounding ovary, forms thekernel of corn. The silks atthe butt of the ear are the firstto appear and the first, as arule, to be pollinated. The mid-dle kernels are next. The com-plete fertilization of the tipkernels of the
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Keywords: ., bo, bookcentury1900, bookdecade1900, booksubjectcorn, bookyear1908
