shoot dieback

Listing 1 - 10 from 68 for shoot dieback

DIAGNOSING PLANT DAMAGE - Figure 2-4
... snow, etc), animal damage, or chemical drift. Top FIGURE 3. SHOOT DIEBACK A. SHOOT DIEBACK CAUSED BY NONLIVING FACTORS: Sudden dying back of a shoot usually indicates nonliving cause such as climatic or chemical ... between affected and healthy bark. If dieback is more gradual and there is also cracking of the bark and wood, suspect winter injury. B. SHOOT DIEBACK (BLIGHT) CAUSED BY LIVING FACTORS: ...
oregonstate.edu

Diseases of Black Walnut (Juglans nigra L.)
... . Root-knot nematodes, Meloidogyne spp. Phytophthora root rot Phytophthora citricola Sawada Phytophthora cinnamomi Rands Seedling shoot dieback Phomopsis arnoldiae Sutton = P. elaeagni (J. C. Carter & Sacamano) R. H. Arnold & J. C. Carter ...
www.apsnet.org

Quercus coccinea Menchh
... at or above the root collar. As a result of recurrent shoot dieback, root systems of scarlet oaks may be many years older than ... (23). Young stump sprouts may produce up to three flushes of shoot growth per growing season (6). However, individual flush lengths get ... p. Cobb, S. W., A. E. Miller, and R. Zahner. 1985. Recurrent shoot flushes in scarlet oak stump sprouts. Forest Science 31:725-730. Dwyer ...
www.na.fs.fed.us

SuddenOakDeath
... dieback' (e.g. madrone (Arbutus sp.)) and 'ramorum leaf blight' (e.g. bay laurel (Umbellularia sp.)). In addition, the pathogen causes a needle and shoot dieback of ... - Rhododendron Shoot Canker & Leaf blight Phytophthora ramorum - Douglas Fir Needle and Shoot Dieback Phytophthora ramorum - Viburnum Wilting and Dieback Phytophthora ramorum - Yew Needle Blight & Young Shoot Dieback Mottled Necotic ...
www.the-tree.org.uk

The Virginia Camellia Society - Education - Pruning & Disbudding
... number of flower buds are set per plant. The amount of shoot growth is reduced and the individual flowers tend to be smaller. ... a protective spray of a fungicide following pruning to prevent the dieback fungus from entering the wounds. To prune properly, make the cut ... twigs that have only one weak terminal bud and no lateral shoot buds. Vigorous shoots will have one to three well-developed terminal ...
members.cox.net

Phomopsis Cane and Leaf Spot of Grape
... . Eutypa dieback (caused by the fungus Eutypa armeniacae) is the new name for the canker- and shoot-dieback phase of what was once known as dead-arm. We now propose that the name dead-arm be dropped. Growers should remember that Phomopsis cane and leaf spot and Eutypa dieback ... one or two cluster stems (rachises) on a shoot may result in premature withering of the cluster stem ...
ohioline.osu.edu

Diplodia Tip Blight of Austrian, Red and Scotch Pine, HYG-3041-96
... infects wounds on the stem. Other problems can cause similar dieback and tree decline. Winter drying; drought; injury from weevils, pine-shoot moths or tip moths; and some needlecast diseases caused by ...
ohioline.osu.edu

Anthracnose Leaf Blight of Shade Trees, HYG-3048-96
... . Susceptibility of London planetree varies considerably with seed source. Shoot blight, leaf blight and twig and branch cankers and dieback can be severe. The fungus overwinters on twig tissue on ... Leaf lesions often are delimited by the leaf midvein. Stem symptoms include twig dieback and stem cankering and dieback, often with visible fungal fruiting bodies on dead twigs. Attached wilted, brown ...
ohioline.osu.edu

Eutypa Dieback of Grape HYG-3203-95
... diseases that often occur simultaneously: Eutypa dieback and Phomopsis cane and leaf spot. Eutypa dieback is the new name for the trunk ... . The most striking and obvious symptoms of Eutypa dieback are the leaf and shoot symptoms, which may not develop for up to ... California and New York. As chemical control recommendations for Eutypa dieback becomes established in Ohio, they will be made available to ...
ohioline.osu.edu

Control of Phytophthora and Other Major Diseases of Ericaceous Plants, HYG-3073-99
... , are susceptible to both root rot and dieback. Lilac is another crop highly susceptible to Phytophthora root rot and dieback. Potentilla is susceptible to dieback only, and Taxus and Junipers to ... exception is Phytophthora citrophthora,which causes a severe crown-rot and shoot-blight problem on Pieris japonica. It also causes dieback on rhododendron and root rot of Taxus. This species can ...
ohioline.osu.edu