. Bulletin. Agriculture; Agriculture -- Arizona. Fig. 13.—A longitudinal sec- tion through the crown of an almond seedling and attached gall, showing the darkened, dis- colored outer portion of the gall tissue a short time after growth had Fig. 14.—A portion of the stem of a seedling almond, twice natural size, showing the returning hypertro- phied tissue after excision of the gall. When the gall decays, as it usually does at the end of the season's growth, it leaves an open wound through the bark, which extends for some distance into the wood. The following spring a more or less inte
. Bulletin. Agriculture; Agriculture -- Arizona. Fig. 13.—A longitudinal sec- tion through the crown of an almond seedling and attached gall, showing the darkened, dis- colored outer portion of the gall tissue a short time after growth had Fig. 14.—A portion of the stem of a seedling almond, twice natural size, showing the returning hypertro- phied tissue after excision of the gall. When the gall decays, as it usually does at the end of the season's growth, it leaves an open wound through the bark, which extends for some distance into the wood. The following spring a more or less interrupted circle of gall tissue begins to form around the margin of the wound caused by the gall of the previous year. The wound becomes larger and deeper with. 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 University of Arizona. Agricultural Experiment Station. Tucson : Agricultural Experiment Station, University of Arizona
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Keywords: ., bookauth, bookcentury1800, bookdecade1890, booksubjectagriculture
