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Potato leaf (PL) is one of two major types of leaves which tomato plants exhibit. The other type is referred to as "regular leaf" (RL). The other type is referred to as "regular leaf" (RL). Simply stated, potato leaf tomato plants have a smooth leaf edge [ 1 ] when compared with the serrated edge of the regular leaf.
Current tomato Indeterminate Regular leaf Ostensibly from the original wild tomato from Mexico. They are smaller than most cherry tomato types. [88] Micro Tom Red 50–60 1 oz Cherry Micro Determinate Regular Leaf Considered world's smallest tomato, Micro Tom is a cultivar used mainly in laboratory experiments [89] Millionaire Pink 80–85 Heirloom
The tomato russet mite, Aculops lycopersici, feeds on foliage and young fruit of tomato plants, causing shrivelling and necrosis of leaves, flowers, and fruit, possibly killing the plant. [82] After an insect attack tomato plants produce systemin, a plant peptide hormone.
The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets). [1] The edge of the leaf may be regular or irregular, and may be smooth or have hair, bristles, or ...
Septoria lycopersici infects the tomato leaves via the stomata and also by direct penetration of epidermal cells. [3] Symptoms generally include circular or angular lesions most commonly found on the older, lower leaves of the plant. [1] The lesions are generally 2–5 mm in diameter and have a greyish center with brown margins.
Tomato and potato cultivars are commonly classified as determinate or indeterminate according to the amount of time that they produce new leaves and flowers. Varieties that produce few leaves and flowers over a shorter period are classed as determinate and those that produce new leaves and flowers for longer are classed as indeterminate.
Lycopersicon was a genus in the flowering plant family Solanaceae (the nightshades and relatives). It contained about 13 species in the tomato group of nightshades. First removed from the genus Solanum by Philip Miller in 1754, its removal leaves the latter genus paraphyletic, so modern botanists generally accept the names in Solanum.
Alternaria solani is a fungal pathogen that produces a disease in tomato and potato plants called early blight.The pathogen produces distinctive "bullseye" patterned leaf spots and can also cause stem lesions and fruit rot on tomato and tuber blight on potato.