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Grapevine fanleaf virus (GFLV) is a plant pathogenic virus of the family Secoviridae. It infects grapevines, causing chlorosis of the leaves and lowering the fruit quality. [2] Because of its effect on grape yield, GFLV is a pathogen of commercial importance. It is transmitted via a nematode vector, Xiphinema index. [3]
The stems grow slowly and often tightly together, eventually reaching 2–5 m (10–20 ft) tall with a trunk diameter of 20–25 cm (8–10 in). It is a fan palm (Arecaceae tribe Corypheae), and as such, has leaves with petioles terminating in rounded fans of 10–20 leaflets. Each leaf is up to 1.5 m (5 ft) long, with leaflets 50–80 cm (20 ...
Wachendorfia paniculata is a species of plant of 10–90 cm (3.9–35.4 in) high, that emerges during the winter from an underground rootstock.It has entire, sword-shaped, mostly hairy, line- to lance-shaped, straight or sickle-shaped leaves, set in a fan at ground level with a lax to dense panicle consisting of pale apricot to yellow mirror-symmetric flowers with six tepals, three stamens and ...
Washingtonia filifera, the desert fan palm, [4] California fan palm, or California palm, [5][6][7] is a flowering plant in the palm family Arecaceae, native to the far southwestern United States and Baja California, Mexico. Growing to 15–20 m (49–66 ft) tall by 3–6 m (10–20 ft) broad, it is an evergreen monocot with a tree -like growth ...
Almost identical symptoms of the GY syndrome are caused by different phytoplasmas and appear on leaves, shoots and clusters of grapevine. Typical symptoms include discoloration and necrosis of leaf veins and leaf blades, downward curling of leaves, lack or incomplete lignification of shoots, stunting and necrosis of shoots, abortion of ...
Verticillium wilt is a wilt disease affecting over 350 species of eudicot plants. It is caused by six species of Verticillium fungi: V. dahliae, V. albo-atrum, V. longisporum, V. nubilum, V. theobromae and V. tricorpus. [1] Many economically important plants are susceptible including cotton, tomatoes, potatoes, oilseed rape, eggplants, peppers ...
Scaevola albida. ( Sm.) Druce [ 1] Goodenia albida Sm. Scaevola albida, commonly known as pale fan-flower[ 2] or small-fruit fan-flower, [ 3] is a flowering plant in the family Goodeniaceae. It is a spreading perennial herb with pale blue or white fan-shaped flowers and obovate leaves. It grows in Queensland through eastern New South Wales and ...
Water hydrangeas regularly, especially during dry spells, Clayton says. "They need consistent moisture to thrive, but don't overwater," he advises. "If you notice the leaves yellowing that might ...