Relative Resistance of Tomato Varieties, Selections, and Crosses to Defoliation by Alternaria and Stemphylium (Classic Reprint) - Hardcover

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Excerpt from Relative Resistance of Tomato Varieties, Selections, and Crosses to Defoliation by Alternaria and Stemphylium<br/><br/>As more emphasis has been placed on vegetable production in the South, attention has been drawn by tomato growers to the damage done to crops as a result of premature defoliation of the plants by leaf spot fungi. Under prevailing summer growing conditions, adequate leaf coverage of fruit is necessary to insure a profitably loi1g picking season and even, in some cases, a harvest at all. In the northern tomato-growing sections defoliation diseases are by no means un common, but there they usually appear later in the season than farther South. The defoliation diseases as a group constitute one of the most serious hazards in tomato production for the greater part of the United States.

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