Tomato Pith Necrosis
Symptoms Foliar symptoms of pith necrosis are similar to early bacterial canker disease symptoms (wilting and marginal leaf necrosis); therefore internal stem symptoms should be used to distinguish between the two diseases. Stem: When stems are cut longitudinally, the pith can be severely degraded or hollow, dark brown to black in color and/or have a ladder-like appearance. Early symptoms are browning of the pith. Stems may be swollen and have a large [...]