. Plant propagation; greenhouse and nursery practice. apocket lens to examine small seeds; sheets of stout whitepaper or cardboard on which to spread seeds for examina-tion ; a spatula-like piece of hardwood, bone or celluloidto separate the seeds; tweezers to pick out small seeds;a small scales for weighing- phials of truly named culti-vated plant and weed seeds with which to compare seedsto be examined ; gummed labels for numbering or nam-ing samples; blotting paper, strips of flannel, and cleansifted sand for gennination tests. A small germinator may be made by wetting sand in a 46 PLANT PR
. Plant propagation; greenhouse and nursery practice. apocket lens to examine small seeds; sheets of stout whitepaper or cardboard on which to spread seeds for examina-tion ; a spatula-like piece of hardwood, bone or celluloidto separate the seeds; tweezers to pick out small seeds;a small scales for weighing- phials of truly named culti-vated plant and weed seeds with which to compare seedsto be examined ; gummed labels for numbering or nam-ing samples; blotting paper, strips of flannel, and cleansifted sand for gennination tests. A small germinator may be made by wetting sand in a 46 PLANT PROPAGATION soup plate, placing blotting- paper or flannel on this, thenthe seeds to be tested next, a second sheet of blottingpaper and finally an inverted soup plate to check evapora-tion (Fig. 35). For small seeds. Petri dishes used bybacteriologists are more convenient than soup plates, be-cause they take up less space. A warm room will supplythe needed heat. Seed pans and flower pots placed intrays of water or otherwise kept damp are useful in a. FIG. 39—LABELS AND METHODS OF MARKING A, C, L \arious sizes of florists labels. B, old label rotted off at bottom withoutlosing name. D, zinc label with writing almost illegible after a year or more of , G, H, nurserymens labels for fastening to trees etc. F, old label showingwrong way to write name, thus losing the important part, the first syllable or two,by decay. J, nurserymens label printed on botlj sides for quickness in handling. larger way. For more extensive work, as in schools andcolleges, germinating ovens (Figs. 86, 87) will be foundmore convenient and useful. 75. Conducting a seed test.—Representative samples ofthe seed to be tested are taken from the sacks or bins ofseed. These are mixed to secure uniformity. A smallsample of this composite sample is weighed, spread outand the good seed separated from the bad and the various si-:i-:i) iM, 47 impurities, each by itself. Then each lot is weighed andthe perc
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Keywords: ., boo, bookcentury1900, bookdecade1910, booksubjectplantpropagation
