. Diseases and decays of Connecticut tobacco. Tobacco. 138 Connecticut Experiment Station Bulletin 432 the tissues. Some of the types of spots seem to follow a hereditary predis- position. For example, there are two types of spots characteristic only of Broadleaf tobacco. The more restricted of these is the John Williams spot, so called because it occurs only on this kind of Broadleaf (Figure 26). Just when the leaves are ripening, suddenly they become thickly peppered with small, round white spots, an eighth to a quarter of an inch in „ ^i£a'o;ri^ii*«^ ^wiiS Ai' Figure 26. Non-


. Diseases and decays of Connecticut tobacco. Tobacco. 138 Connecticut Experiment Station Bulletin 432 the tissues. Some of the types of spots seem to follow a hereditary predis- position. For example, there are two types of spots characteristic only of Broadleaf tobacco. The more restricted of these is the John Williams spot, so called because it occurs only on this kind of Broadleaf (Figure 26). Just when the leaves are ripening, suddenly they become thickly peppered with small, round white spots, an eighth to a quarter of an inch in „ ^i£a'o;ri^ii*«^ ^wiiS Ai' Figure 26. Non-parasitic leafspot. The John Williams Broadleaf type. Their presence is not considered a fault by tobacco handlers. On the con- trary, buyers like to see this development because it is a sign that the plant is the true John Williams type and that it is ripe tobacco. The other kind of Broadleaf spot has sometimes been called the "star and crescent spot" because it frequently has a small central portion partly surrounded, beyond an intervening band of green tissue, by a circular,. 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 Anderson, P. J. (Paul Johnson), b. 1884. [New Haven] : Connecticut Agricultural Experiment Station


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Keywords: ., bookcentury1900, bookpublishernewhavenconnec, booksubjecttobacco