Biology and control of sirococcus shoot blight on red pine

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U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station , [Saint Paul, Minn.]
Red pine -- Diseases and p
StatementMichael E. Ostry, Thomas H. Nicholls, and Darroll D. Skilling.
SeriesResearch paper NC -- 295.
ContributionsNicholls, Thomas H., Skilling, Darroll D.
The Physical Object
Pagination11 p. :
ID Numbers
Open LibraryOL17718063M

Brown, wilted needles on red pine caused by Sirococcus blight. In summer, infected needles, shoot tips and one year old twigs wither, turn brown and fall off.

Infections on expanding shoots often cause the shoot to curl downward in a shepherd's crook. Infected red pine needles often droop obviously.

Seeds, Twig, Annual shoot, cones scale, bud scale, Needle.

Details Biology and control of sirococcus shoot blight on red pine PDF

Distribution. Canada. Common throughout the distribution range of red pine. The species is frequently found in temperate and boreal forests in North America and Europe.

Damage, symptoms and biology. The disease only kills annual shoots; hence the name shoot blight. To confirm the risk of damage from the shoot blight pathogen Sirococcus conigenus (which inhabits crowns of overstory trees) to regeneration in these situations, red pine seedlings were planted in ten seedling plots in the understory of a maturing red pine stand.

See: Spruce (Picea spp.)-Tip Blight. Cedar (Cedrus spp.)-Needle Blight. Cause Sirococcus conigenus, a fungal disease found more often in nurseries and forests than in the are spread by splashing water and by infected seeds.

The fungus infects several pine species, blue and sitka spruces, and western hemlock. This disease, caused by the fungus Sirococcus strobilinus, has been found on jack and red pines in the North Central States and on western hemlock and Jeffrey.

Coulter, ponderosa, sugar, and lodgepole pines in the West. Distribution. Sirococcus shoot blight is. Fig. Red pine plantation heavily damaged by Sirococcus shoot blight, central Maine. Infection of red pines and several other species of hard pines by Sirococcus shoot blight has become increasingly common throughout Maine and other New England states over the past decade.

Red pine. Sirococcus shoot blight is a fungal disease widely distributed throughout the Maritime Provinces affecting red pine and black and white spruce, which only kills the current year's shoots, but. Sirococcus Shoot Blight Glen R. Stanosz Conifer Diseases Hosts Sirococcus shoot blight is attributed to three fungi previously referred to as the single species Sirococcus conigenus (syn.

strobilinus). The species now known as S. conigenus most commonly damages pines, including red pine and lodgepole pine, and spruces such as Colorado. Sirococcus shoot Biology and control of sirococcus shoot blight on red pine book of spruce was diagnosed recently in the Plant Disease Clinic.

The disease is caused by the fungus Sirococcus conigenus and predominantly affects the current year's growth on pine, spruce, and hemlock. Damage is most severe on succulent, current year's shoots but may extend to one-year-old twigs.

Symptoms appear similar to injury from winter dying or frost. Sirococcus Shoot Blight of Red Pine (Sirococcus conigenus) Insect and Disease Laboratory 50 Hospital Street, Augusta, Maine, () Maine Forest Service Hosts: Red Pine (Pinus resinosa); Several other conifer species are also affected.

An aerial survey of red pine plantations for Sirococcus shoot blight Nova Scotia Department Natural Resources The impact of Sirococcus shoot blight on radial and height growth of Norway spruce.

asymptomatic red pine shoots. Forest Pathology 38 (3), • Stanosz GR () Sirococcus Shoot Blight. In: USDA Forest Nursery Pests Agricultural Handbook No.

• Stanosz GR, Smith DR, Sullivan JP, Mech AM, Gandhi KJK, Dalusky MJ, Mayfield AE, Fraedrich SW () Shoot blight caused by Sirococcus tsugae on Eastern. First report of Sirococcus tsugae causing shoot blight on Cedrus atlantica in Belgium. Schmitz*, A. Charlier and A.

Chandelier and detection of S. conigenus from symptomatic and asymptomatic red pine shoots. Forest Pathol c/o Society of Biology, Charles Darwin House, 12 Roger Street, London, WC1N 2JU, UK. Sirococcus shoot blight is foundin the North Central and Western States (fig.

Damage. Losses occur in all age classes of nursery seedlings. Infected seedlings may be either killed or damaged to the extent that they must be culled.

We established monitoring plots in red pine sapling plantations severely affected by shoot blight in Michigan and Wisconsin to assess the influence of residual overstory red pine and the presence of Sirococcus and Diplodia shoot blights on disease severity and their long-term impact on tree survival and growth.

Fourteen years after the initial. The impact of tree nutrition upon disease incidence and severity was investigated in a uniform, year-old Norway spruce stand near Frauschereck (13°17′47″E, 48°03′42″N, m a.s.l.) severely affected by Sirococcus shoot blight ().The site.

Problem type: Disease Name of problem: Sirococcus shoot (tip) blight Plant name(s): Spruce (Colorado blue, black, white, Norway, red) and pine (red, Scots, mugo, jack) Symptoms / Characteristics: Browning, curling and wilting of young needles and succulent shoots are typical symptoms associated with Sirococcus shoot blight.

Sirococcus blight is a disease caused by the fungus Sirococcus tsugae. It is mainly associated with cedars (Cedrus atlantica and C. deodora) but has also been recorded on hemlocks (Tsuga spp.). Samples from trees affected by Sirococcus blight were first received by Forest Research in late and by RHS Gardening Advice in June Biology and control of sirococcus shoot blight on red pine / Michael E.

Ostry, Thomas H. Nicholls, and Darroll D.

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Skilling. The incidence of shoot blight on dead white pine (back transformed mean = %) was significantly less than on dead red pine (%) or jack pine (%; df = 2, 6; F = ; P = ). The incidence of shoot blight on dead red pine and jack pine were not significantly different. Sirococcus tsugae – shoot blight.

Why: Sirococcus tsugae is a recently described fungal species which as first rewported by Germany in During the same period, the fungus was also detected in the United Kingdom.

Previously, S. tsugae was only known to occur in North America. This new species. Diseased symptoms of spruce cones and fungal pycnidia on scales.

Sirococcus conigenus (DC.) Cannon & Minter (= S. strobilinus G. Preuss; Sys. Ascochyta piniperda Lindau; Septoria parasitica Hartig) can cause shoot blight of conifers, e.g. Norway spruce (Picea abies) and Scots pine (Pinus sylvestris) (O`Brien, ; Shahin et al., ; Funk, and Wall et al., ); damping-off and.

Biology and control of Sirococcus shoot blight on red pine. USDA Forest Service Res. Pap. NC 11 p.

Description Biology and control of sirococcus shoot blight on red pine EPUB

Richards, N.A., R.R. Morrow, and E.L. Stone. Influence of soil and site on red pine plantations in New York. Stand development and stie index Curves.

Cornell University Experiment Station Bull. 24 p. The impact of Sirococcus shoot blight on the radial and height growth of Norway spruce in a young plantation (approximately 20 years old) in Austria, was investigated by examining the increment losses for four infection intensities (classes).

The average diameter at breast height of trees in the lightly damaged class was 72% when compared with the average diameter of the healthy trees, whereas. Sirococcus blight affects seedlings of spruce, pine and other conifer species in container-growing facilities and bare root nurseries throughout its range in North American and Europe.

In addition to killing young seedlings, the disease can disfigure seedlings leading to their being culled. During a recent survey of forest tree diseases in Western and Central Bhutan, Sirococcus shoot blight and an associated Sirococcus sp. were found on saplings and mature trees of Eastern Himalayan spruce (Picea spinulosa).

Based on morphological characteristics and DNA sequence comparisons of the ITS region of the rDNA operon, representative isolates from Bhutan were unequivocally identified as. Diplodia (Sphaeropsis) Tip Blight on Pine Austrian, Scots, ponderosa, mugo, red and other 2 and 3-needled pines are susceptible to the killing of shoot tips and branches by the fungus Diplodia pinea (formerly Sphaeropsis sapinea).

Sirococcus shoot blight damage to western hemlock regeneration at Thomas Bay, Alaska / Ed F. Wicker, Thomas H. Laurent, and Spencer Israelson Item Preview remove-circle. Sirococcus shoot blight of red pine (Sirococcus conigenus) Hosts: Red Pine (Pinus resinosa) General Information: Sirococcus shoot blight of red pines has become increasingly common in Maine and other New England states over the past decade.

Many red pine plantations were established throughout Maine and northern. Other fungal diseases attacking pine trees include the Siroccocus blight, deadly to shoot tips and year-old twigs.

Systemic Fungicide Functions Formulated for application on trees already infested with a fungus, systemic fungicides enter the tree at the site of application. Biology and control of Sirococcus shoot blight on red pine. USDA Forest Service Research Paper NC 11 p. USDA Forest Service Research Paper NC .Cedar (Cedrus spp.)-Needle Blight.

Cause Sirococcus conigenus (formerly Ascochyta piniperda), a fungus. It attacks many conifer including western hemlock; Jeffery, ponderosa, and red pine; and blue and sitka spruce. The fungus overwinters in dead shoots.

Spores are rain-splashed from one tree or seedling to another.Red pine shoot blights. A shoot blight of red pine caused by Sirococcus conigenus was first reported from Wisconsin in and became epidemic throughout the Lake States in plantations by the mids.

The pathogen has been reported from several conifer species in Europe, Canada and northern United States where hosts in native stands.