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Slime flux, also known as bacterial slime or bacterial wetwood, is a bacterial disease of certain trees, primarily elm, cottonwood, poplar, boxelder, ash, aspen, fruitless mulberry and oak. A wound to the bark, caused by pruning, insects, poor branch angles or natural cracks and splits, causes sap to ooze from the wound. Bacteria may infect ...
The mulberry fruit is a multiple, about 2–3 centimetres (3 ⁄ 4 – 1 + 1 ⁄ 4 inches) long. [2] [6] Immature fruits are white, green, or pale yellow. [6] The fruit turns from pink to red while ripening, then dark purple or black, and has a sweet flavor when fully ripe. [2] [6]
The red mulberry cannot be used for silk production as the white mulberry. Silkworms reject the leaves of the red mulberry. [36] The red mulberry cannot be used as a short-term solution, due to the time until the first fruit bearing. Instead, it requires long-term planning. The highest yields are obtained after 30–85 years. [37]
The disease starts out as yellowing and drooping on one side of the plant. Leaf wilting, plant stunting, browning of the vascular system, leaf death and lack of fruit production also occur. [8] F. oxysporum f. sp. melonis attacks muskmelon and cantaloupe. It causes damping-off in seedlings and causes chlorosis, stunting and wilting in old plants.
Significant variation in symptoms is seen between diseases, though some symptoms are expressed across species. On a macroscopic scale, plants infected with a X. fastidiosa-related disease exhibit symptoms of water, zinc, and iron deficiencies, [27] manifesting as leaf scorching and stunting in leaves turning them yellowish-brown, gummy substance around leaves, [27] fruit reduction in size and ...
Fungal diseases; Alternaria spot and fruit rot Alternaria alternata: Armillaria crown and root rot (shoestring crown and root rot) Armillaria mellea Rhizomorpha subcorticalis [anamorph] Brown rot blossom and twig blight and fruit rot Monilinia fructicola Monilinia laxa. Ceratocystis canker Ceratocystis fimbriata: Cytospora canker Cytospora ...
This disease affects strawberry plant foliage causing purple spots 1 ⁄ 8 to 1 ⁄ 4 in (3.2 to 6.4 mm) in diameter across on the upper side of the leaves. [3] At first, the whole spot is purple but as the disease matures the center of the leaf spots on older leaves become tan or gray, then almost white. Lesions on younger leaves remain light ...
Late leaf spot Cercospora minima. Mucor fruit rot Mucor spp. Mucor piriformis. Mycosphaerella leaf spot (ashy leaf spot and fruit spot) Mycosphaerella pyri = Mycosphaerella sentina Septoria pyricola [anamorph] Nectria twig blight (coral spot) Nectria cinnabarina Tubercularia vulgaris [anamorph] Pear scab Venturia pyrina Fusicladium pyrorum ...
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