. Fruits, vegetables and flowers, a non-technical manual for their culture. ; many small tulKi-s areformed just IhIow the surface ofthe ground and just above a veryjironoimced canker, and aeriall)otat<)cs along the stem alxjvcground. The fungus can boreadily detected on the tubers;it ap]x^ars as small black spots,which do not wash off, but can 1)Creadily nMuoved by , the presence of thesespots on the tul)ers does mean a severe out-break of tlie disease. Tnatnunt.—Soak seed pota-toes in corrosive sublimate asrecominoiidcd for seal). Bacterial Wilt {linaUus sol-
. Fruits, vegetables and flowers, a non-technical manual for their culture. ; many small tulKi-s areformed just IhIow the surface ofthe ground and just above a veryjironoimced canker, and aeriall)otat<)cs along the stem alxjvcground. The fungus can boreadily detected on the tubers;it ap]x^ars as small black spots,which do not wash off, but can 1)Creadily nMuoved by , the presence of thesespots on the tul)ers does mean a severe out-break of tlie disease. Tnatnunt.—Soak seed pota-toes in corrosive sublimate asrecominoiidcd for seal). Bacterial Wilt {linaUus sol-anaccarum, Snnth).—Tiic ])lants wilt prematurely, Ucomo yellow, thenblack and dry. This disease atta weather. It causesthe leaves to diy at the tii)s and margins, roll u]) and break off. NoTK.—There are a numlnr of other ^es of the iwtato whichcannot Ixj included in this brief A Potato Akkectkd with Russet ShowinR tho russet inn and rrarkinn, asso-ciated with llic fiaigiKs Uhizoctonia. TOMATOEarly Blight.—See Blight {S(/>tnri(i bjcnprrsici, Speg.).—This disease appears 88 *>rom FaiiDcn BuUcUjd M4, U. 6. Dcpt. of A<ricultur«. DISEASES OF CROPS 221 numerous small spots over the surface of the leaves, beginning with thelower and older leaves, causing them to tm-n yellow and fall. It is one ofthe most severe diseases and the cause of heavy losses. Treatment.—Spray with Bordeaux mixture. Fusarium Wilt {Fusarium lycopersici, Sacc).—This is a disease inwhich the fungus works on the inside of the plant, causing it to wilt anddie. It cannot be controlled by spraying. Rotation of crops is advan-tageous. Bacterial Wilt.—See Potato. Blossom-End Rot or Point Rot.—The cause of this disease is disputed,but it is now generally believed to be due to drought, although it mayalso be due to other causes. It is a dry black rot starting
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectvegetablegardeningfr
