. Maize; its history, cultivation, handling, and uses, with special reference to South Africa; a text-book for farmers, students of agriculture, and teachers of nature study. Corn; Corn. A B Fig. 44.—Effect of partial pollination. A, Pollen was applied artificially after most of the silks had ceased to be receptive. B, Imperfect pollination, possibly due to temporary injury to silks by insects. and leaving it so covered until after the silks have dried up (Figs. 43 and 44). Pollen "dust" is composed of an enormous number of roundish grains (Fig. 42). Each individual grain is a separa


. Maize; its history, cultivation, handling, and uses, with special reference to South Africa; a text-book for farmers, students of agriculture, and teachers of nature study. Corn; Corn. A B Fig. 44.—Effect of partial pollination. A, Pollen was applied artificially after most of the silks had ceased to be receptive. B, Imperfect pollination, possibly due to temporary injury to silks by insects. and leaving it so covered until after the silks have dried up (Figs. 43 and 44). Pollen "dust" is composed of an enormous number of roundish grains (Fig. 42). Each individual grain is a separate cell, consisting of a cell-wall of usually two layers or coats, surrounding a mass1 of protoplasm ; within the cell are two. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Burtt-Davy, Joseph, 1870-. London, New York, [etc. ] Longmans, Green and co.


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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectcorn, bookyear1914