. The American florist : a weekly journal for the trade. Floriculture; Florists. 352 The American I'lorjst. Sept. 9, this depression is affected only to a very sliglit depth, but as the area grows older a cavity forms under the metallic film at the surface becoming very evident upon sectioning a bulb through one of these areas and look- vng as though the cavity had been eaten out by some insect. As I have not yet completed my experiments with this disease, I cannot say with absolute certainty that it is caused by a fungus, but it seems probable that it Is caused by a fungus called fur- arium.
. The American florist : a weekly journal for the trade. Floriculture; Florists. 352 The American I'lorjst. Sept. 9, this depression is affected only to a very sliglit depth, but as the area grows older a cavity forms under the metallic film at the surface becoming very evident upon sectioning a bulb through one of these areas and look- vng as though the cavity had been eaten out by some insect. As I have not yet completed my experiments with this disease, I cannot say with absolute certainty that it is caused by a fungus, but it seems probable that it Is caused by a fungus called fur- arium. I have isolated this fungus from the spots but have not yet com- pleted my experiments necessary to prove that it is responsible for the disease, although they are now under way. The fourth and last type of disease, the soft-rot, is totally unlike any of the other three. While they form hard and, to an extent small, definite, dry areas, this one appears as an extensive rapid softening of the bulb which soon reduces it to a mushy, decaying mass usually alive with mites. The loss of water due to evaporation if the bulb is left in a dry place will, however, soon cause the bulb to dry up and be- come a brittle, chalky object. This rot probably spreads rapidly in stor- age, and bulbs diseased with it are so completely destroyed that they will not sprout when planted. This is not usually the case with the other rots. The soft-rot is certainly the most virulent of the four diseases but does not seem to be as common. Our work leads us to believe it to be due to a fungus called penicillium. a nearly re- lated species of which is responsible for the decay of fruits in storage. If this is the case, care in storage will be necessary in combating the disease. Our work toward the control of these diseases will be directed along those lines which our knowledge of other similar diseases would indicate as most promising of success. In addi- tion, the hints which various growers have given us in
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectfloriculture, bookyea
