scholarly journals Two Novel Techniques to ScreenAbiesSeedlings for Resistance to the Balsam Woolly Adelgid,Adelges piceae

2011 ◽  
Vol 11 (158) ◽  
pp. 1-16 ◽  
Author(s):  
Leslie Newton ◽  
John Frampton ◽  
John Monahan ◽  
Barry Goldfarb ◽  
Fred Hain
Keyword(s):  
Balsam Woolly Adelgid ◽  
Adelges Piceae

scholarly journals Temperature and plant hardiness zone influence distribution of balsam woolly adelgid damage in Atlantic Canada

2008 ◽  
Vol 84 (4) ◽  
pp. 558-562 ◽  
Author(s):  
Dan Quiring ◽  
Don Ostaff ◽  
Lester Hartling ◽  
Dan Lavigne ◽  
Keith Moore ◽  
...  
Keyword(s):  
Pest Management ◽  
Abiotic Factors ◽  
Insect Pest ◽  
Balsam Fir ◽  
Atlantic Canada ◽  
Rating Systems ◽  
Eastern Canada ◽  
Balsam Woolly Adelgid ◽  
Adelges Piceae ◽  
Plant Hardiness

Management of balsam woolly adelgid (Adelges piceae Ratz.) and of trees damaged by this pest may pose one of the biggest challenges to forest management in Atlantic Canada during the next decade. Feeding by the balsam woolly adelgid is restricted to Abies species in which it causes gouting, branch and upper crown death. Approximately 100 years after its introduction into eastern Canada, symptoms of feeding by the balsam woolly adelgid on balsam fir are found throughout all of Nova Scotia, most of Newfoundland and in southern and eastern New Brunswick. The distribution of symptomatic balsam fir trees coincides with areas where mean January temperatures are below -11°C and where plant hardiness zones are higher than 4a. The presence of balsam fir trees with obvious symptoms of BWA damage throughout much of Atlantic Canada emphasizes the ubiquitous presence of this pest in these provinces and highlights the need to develop hazard rating systems to establish pest management programs to diminish its impact. Key words: global warming, Adelges piceae Ratz., forest insect pest management, abiotic factors

Notes on balsam woolly adelgid, Adelges piceae (Ratzeburg, 1844) (Hemiptera: Adelgidae), range expansion in Idaho, Montana and Utah

2020 ◽  
Vol 96 (3) ◽  
Author(s):  
Gina Davis ◽  
Laura Lowrey ◽  
Tom Eckberg ◽  
Amy Gannon ◽  
Danielle Malesky ◽  
...  
Keyword(s):  
Range Expansion ◽  
Balsam Woolly Adelgid ◽  
Adelges Piceae

RECOVERY OF ADDITIONAL EXOTIC PREDATORS OF BALSAM WOOLLY ADELGID, ADELGES PICEAE (RATZEBURG) (HOMOPTERA: ADELGIDAE), IN BRITISH COLUMBIA

1994 ◽  
Vol 126 (4) ◽  
pp. 1101-1103 ◽  
Author(s):  
L.M. Humble
Keyword(s):  
British Columbia ◽  
South Coast ◽  
The South ◽  
Balsam Woolly Adelgid ◽  
Adelges Piceae ◽  
Release Program ◽  
Predator Release

Shortly after the discovery of the introduction of balsam woolly adelgid, Adelges piceae (Ratzeburg), to the south coast of British Columbia, a predator release program was initiated to establish a complex of European and Asian adelgid predators to supplement existing native predators. Between 1960 and 1969, eight species of exotic predators, Aphidoletes thompsoni Mohn (Diptera: Cecidomyiidae), Cremifania nigrocellulata Czerny and Leucopis hennigrata McAlpine [=Leucopis sp. nr. melanopus Tanas. (McAlpine 1978)] (Diptera: Chamaemyiidae), Laricobius erichsonii Rosenhauer (Coleoptera: Derodontidae), Aphidecta obliterata (L.), Scymnus (Pullus) impexus Mulsant, and Scymnus (S.) pumilio (Weise) (Coleoptera: Coccinellidae), and Tetraphleps abdulghani Ghauri (Heteroptera: Anthocoridae), were released (Clark et al. 1971; Schooley et al. 1984).

DEVELOPMENT OF WOUND TISSUE IN THE BARK OF FRASER FIR AND ITS RELATION TO INJURY BY THE BALSAM WOOLLY ADELGID1

1985 ◽  
Vol 20 (1) ◽  
pp. 129-135 ◽  
Author(s):  
F. H. Arthur ◽  
F. P. Hain
Keyword(s):  
Tree Age ◽  
Southern Appalachians ◽  
Abies Fraseri ◽  
Fraser Fir ◽  
Time Period ◽  
Balsam Woolly Adelgid ◽  
Adelges Piceae ◽  
Wound Tissue

A total of 89 Fraser fir, Abies fraseri Pursh. (Poir.), from seven locations in the southern Appalachians were tested for non-suberized impervious tissue (NIT) at artificial wound sites. All trees except one formed NIT in a time period that was considered normal (3 weeks), with no delays due to tree age, location or presence of balsam woolly adelgid, Adelges piceae (Ratz.). Although most Fraser fir react to adelgid attack by forming “rotholz” (red wood), a number of infested trees showed no visual signs of rotholz formation.

Studies of Predators of the Balsam Woolly Aphid, Adelges piceae (Ratz.) (Homoptera: Adelgidae): XI. Cremifania nigrocellulata Cz. (Diptera: Chamaemyiidae), An Introduced Predator in Eastern Canada

1962 ◽  
Vol 94 (11) ◽  
pp. 1171-1175 ◽  
Author(s):  
R. C. Clark ◽  
N. R. Brown
Keyword(s):  
Biological Control ◽  
New Brunswick ◽  
Eastern Canada ◽  
Introduced Predator ◽  
Woolly Aphid ◽  
Commonwealth Institute ◽  
Adelges Piceae ◽  
Research Institute

Cremifania nigrocellulata Cz. is one of the complex of predators that attacks A. piceae (Ratz.) in Europe. After studies on its morphology, biology, and distribution were made by Delucchi and Pschorn-Walcher (1954), C. nigrocellulata was reared in Europe by the Commonwealth Institute of Biological Control and introduced into New Brunswick via the Entomology Research Institute for Biological Control, Belleville, Ontario.

NMR studies on Fraser fir Abies fraseri (Pursh) Poir. lignins

Holzforschung ◽  
2005 ◽  
Vol 59 (5) ◽  
pp. 488-496 ◽  
Author(s):  
Mikhail Yu. Balakshin ◽  
Ewellyn A. Capanema ◽  
Barry Goldfarb ◽  
John Frampton ◽  
John F. Kadla
Keyword(s):  
Quantum Coherence ◽  
Lignin Content ◽  
Lower Amount ◽  
Multiple Quantum ◽  
Normal Wood ◽  
Nmr Studies ◽  
Oh Groups ◽  
Fraser Fir ◽  
Heteronuclear Multiple Quantum Coherence ◽  
Balsam Woolly Adelgid

Abstract The composition of mature, juvenile uninfested and juvenile infested Fraser fir wood (Rotholz) and the structures of lignins isolated from these woods were elucidated to verify differences between juvenile and mature wood and the effect of balsam woolly adelgid (BWA) infestation. Milled wood lignin (MWL) isolated from mature, juvenile and Rotholz wood were comprehensively characterized using heteronuclear multiple quantum coherence (HMQC) and quantitative 13C NMR techniques. The Rotholz wood was found to have ∼13% higher lignin content and more than five-fold the amount of galactans than that of the uninfested wood. Rotholz lignin possesses higher amounts of p-hydroxyphenyl units and aliphatic OH groups and a lower amount of alkyl-O-alkyl linkages and dibenzodioxocin moieties. The degree of condensation of the Rotholz lignin was rather similar to that of normal wood. Only small differences in the structure of mature and juvenile wood components were found.

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