Listing 1 - 10 from 90 for leaf scars
Sigillaria leaf scars
... Sigillaria leaf scars Syringodendron The circular structures on this sigillaria specimen are traces of vascular bundles (veins) that ...
www.clearlight.com
Sigillaria leaf scars
... Sigillaria leaf scars Syringodendron (Specimen I.D. WV-98a) Rock Type: Sandy shale Formation: Kanawha Interval: Coalburg seam ...
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Palm wood with large leaf scars
Palm wood with large leaf scars Back Piece of palm wood with large leaf scars. Height 30 cm. Finding place: Holterbeek (NL). Coll. Huis Bergh, 's Heerenberg.
www.xs4all.nl/~steurh
Botanical CDs
... the user can go from views of a whole winter twig to detailed views of leaf scars, cross sections and buds . It is a teaching resource developed for our undergraduates in Dr ...
botit.botany.wisc.edu
CCE - Suffolk County: Propagation of Houseplants
... , Echeveria and Sansevieria are commonly propagated by rooting an entire leaf from which new plants will develop. Sansevieria and palmleaf begonia ... similar plants can be propagated from a leaf containing a bud in the axil on the leaf. Leaf-bud cuttings are made by dividing ... . Between the circular rings or leaf scars are dormant buds. The cane is cut with at least two leaf scars on each section. The ...
counties.cce.cornell.edu
Pine, Spruce or Fir?
... branches. The twigs are smooth, and after the leaves are shed, marked with tiny, circular leaf scars. Sustainable horticultural information, offered free of charge to the public with the support of the ...
gardenline.usask.ca
The Virginia Camellia Society - Education - Disease Problems of Camellias
... by the fungus Glorerella cingulata. This fungus usually requires a wound to enter the plant. Leaf scars, hail injury and wounds created from lawn mowers, pruning cuts, falling branches and insects are ... will reduce disease incidence but not eliminate it. Other diseases: Other diseases of camellia include leaf gall, sooty mold, lichens, nematodes, and virus variegation. None of these are usually life ...
members.cox.net
Green Apple Aphids, HYG-2206-94
... succulent tissue of bearing and nonbearing trees can lead to leaf curling, stunting, and distorted tip growth. During heavy infestations, aphid ... marketability. Green apple aphid is usually found feeding on the leaf undersurface, close to major veins, on young terminal leaves in ... green apple aphid are found at the base of buds and leaf scars on terminal shoots and water sprouts. Most eggs can be ...
ohioline.osu.edu
Blackleg, Aerial Stem Rot, and Tuber Soft Rot of Potato, HYG-3106-95
... the seed piece. Stem infection can occur through wounds or through natural openings such as leaf scars. Lesions on diseased stems first appear as irregular brownish to inky-black areas. These enlarge ... crop growth, monitor irrigation and nitrogen fertility to minimize excessive vine growth that will promote leaf wetness within the plant canopy. Harvest tubers only after the vines are completely dead ...
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Leaf Spot
... reduction in yield. This disease can produce flecking, leaf anthracnose and stem lesions. Gloeosporium leaf spot was first described as a stem and leaf fleck disease of blueberry. Symptoms first appear as small ... first appear on current season's growth as dark red circular to elliptical lesions around leaf scars. As the lesions enlarge, the affected stems turn brown and eventually become gray and die ...
www.ces.ncsu.edu