. Bulletin of the Department of Agriculture. Agriculture; Agriculture. BULLETIN OF THE UWMtHIOfAffldTIl No. 109. Contribution from the Bureau of Plant Industry, Win. A. Taylor, Chief June 11, 1914. THE MOLDS OF CIGARS AND THEIR PREVENTION. By R. H. True, Physiologist in Charge of Plant Physiological and Fermentation INTRODUCTION. In 1901 a number of complaints were received from eastern cigar manufacturers to the effect that considerable losses were being sus- tained through the appearance of moldy growths on the finished! products. These growths in some cases appeared wi


. Bulletin of the Department of Agriculture. Agriculture; Agriculture. BULLETIN OF THE UWMtHIOfAffldTIl No. 109. Contribution from the Bureau of Plant Industry, Win. A. Taylor, Chief June 11, 1914. THE MOLDS OF CIGARS AND THEIR PREVENTION. By R. H. True, Physiologist in Charge of Plant Physiological and Fermentation INTRODUCTION. In 1901 a number of complaints were received from eastern cigar manufacturers to the effect that considerable losses were being sus- tained through the appearance of moldy growths on the finished! products. These growths in some cases appeared within about three days after the manufacture and the boxing of the cigars, thus fre- quently being noticed before they left the factory. In some instances, however, they did not appear until after considerable periods of time. If the mold was detected before the cigars left the factory, the only recourse was to wipe off the growth by hand, a rather expensive process. Perhaps equally objectionable results followed when the mold was not discovered until the cigars were in the hands of the buyers. In either case very considerable loss was likely to result. The writer was asked to study the problem and, if practicable, to work out feasible means by which the trouble could be remedied. Several factories in which this trouble appeared were visited, mana- gers were consulted, and materials for further work were obtained. FACTORY CONDITIONS. In order to get light on the conditions to be dealt with, the proc- esses involved in making the brands of cigars most liable to mold were observed in the factories. In the case of one factory more diffi- culty was experienced with Sumatra wrappers than with other sorts, and the trouble was believed to be worse in rainy seasons than at other times. The mold usually appeared most abundantly on the " head," or closed end of the cigar, less frequently on the veins or Note.—This paper discusses the losses due to the development of molds on c


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