Ads
related to: apple trees without rootstock plants turning blue and orange and red
Search results
Results From The WOW.Com Content Network
On the apple tree, the infections occur on leaves, fruit and young twigs. [4] The brightly colored spots produced on the leaves make it easy to identify. Small, yellow-orange spots appear on the upper surfaces of the leaves, anytime from April to June. [5] These spots gradually enlarge and turn orange or red and may show concentric rings of color.
An apple is a round, edible fruit produced by an apple tree (Malus spp., among them the domestic or orchard apple; Malus domestica). Apple trees are cultivated worldwide and are the most widely grown species in the genus Malus. The tree originated in Central Asia, where its wild ancestor, Malus sieversii, is still found.
Apple dwarf (Malus platycarpa) Apple stem pitting virus (ASPV) (? not US/CAN) Apple flat apple genus Nepovirus, Cherry rasp leaf virus (CRLV) Apple mosaic genus Ilarvirus, Apple mosaic virus (ApMV) genus Ilarvirus, Tulare apple mosaic virus (TAMV) Apple stem grooving = Apple decline of Virginia crab genus Capillovirus, Apple stem grooving virus ...
Malus (/ ˈ m eɪ l ə s / [3] or / ˈ m æ l ə s /) is a genus of about 32–57 species [4] of small deciduous trees or shrubs in the family Rosaceae, including the domesticated orchard apple, crab apples (sometimes known in North America as crabapples) and wild apples. The genus is native to the temperate zone of the Northern Hemisphere.
Fruit. Malus fusca is a deciduous tree growing up to 13 metres (43 feet) tall, with a trunk 20–25 centimetres (8–10 inches) thick. [2] The leaves are 5–8 cm (2–3 in) long, dark green above, and both pale and fibrous beneath; they turn bright orange to red in autumn.
Specific replant disease (also known as sick soil syndrome) is a malady that manifests itself when susceptible plants such as apples, pears, plums, cherries and roses are placed into soil previously occupied by a related species. The exact causes are not known, but in the first year the new plants will grow poorly.
A yellow apple with orange-red flush. Width 80 mm (3.1 in), height 70 mm (2.8 in). Stalk variable. Flesh very crisp, yellowish juicy, highly aromatic. Triploid. Eating PickE late September–early October; use November–February Beauty of Kent [7] [13] [14] Kent, England introduced c.1820 Old culinary apple, very irregular, ribbed.
Unlike domesticated varieties, its leaves go red in autumn: 62% of the trees in the wild do this compared to only 2.8% of the regular apple plant or the 2,170 English cultivated varieties. [6] M. sieversii has the capability to reproduce vegetatively as they form root suckers, or basal shoots. [7]