Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Michael Raupp"'
Autor:
Michael Raupp, Robert Ahern, Brad Onken, Richard Reardon, Stacey Bealmear, Joseph Doccola, Paul Wolfe II, Peter Becker
Publikováno v:
Arboriculture & Urban Forestry. 34:325-329
We examined the efficacy of two approaches for controlling elongate hemlock scale on eastern hemlocks in an arboretum. One approach relied on foliar applications of an insect growth regulator, pyriproxyfen, and horticultural spray oil when crawlers w
Does Imidacloprid Reduce Defoliation by Japanese Beetles on Linden for More Than One Growing Season?
Publikováno v:
Arboriculture & Urban Forestry. 33:392-396
Laboratory feeding trials confirmed that leaves from little-leaf linden treated with imidacloprid were eaten by Japanese beetles far less than those from untreated trees. Field studies revealed that soil applications of imidacloprid significantly red
Publikováno v:
Arboriculture & Urban Forestry. 32:297-304
In light of catastrophic tree losses caused by Dutch elm disease, foresters recommended that the urban forest be diversified. The intent was to create a more sustainable urban forest that would not be decimated by a single pathogen or insect pest. Ho
Publikováno v:
Arboriculture & Urban Forestry. 30:108-113
Hemlock woolly adelgid (Adelges tsugae), is one the most serious and damaging insect pest of hemlocks (Tsuga spp.) in the eastern United States. The systemic insecticide imidacloprid has gained widespread acceptance and use by arborists to control he
Publikováno v:
Arboriculture & Urban Forestry. 29:298-302
Hemlock woolly adelgid (Adelges tsugae) is a serious pest of hemlocks (Tsuga spp.) in the eastern United States. A variety of insecticides are capable of controlling hemlock woolly adelgid. The use of a systemic insecticide, imidacloprid, has gained
Publikováno v:
Arboriculture & Urban Forestry. 27:203-214
Cover sprays and residual insecticides are tactics used by landscapers and arborists to control arthropod pests on trees and shrubs in urban settings. Trees in residential landscapes that received three cover sprays annually for at least 4 years harb
Publikováno v:
Arboriculture & Urban Forestry. 27:222-229
An analysis of data collected from 212 residential landscapes in suburban Maryland, U.S., revealed significant positive relationships between the number of insect and mite pests in the landscape and the total number of plants and plant species at the
Publikováno v:
Arboriculture & Urban Forestry. 25:38-42
Several systemic insecticides are labeled for control of sucking insect pests of trees, and numerous application methods are available for arborists. A field trial was conducted to test 2 formulations of imidacloprid (Pointer 4% and Merit 75 WP syste
Autor:
Susan Braxton, Michael Raupp
Publikováno v:
Arboriculture & Urban Forestry. 21:177-180
Pheromone traps are recommended as monitoring tools in Integrated Pest Management (IPM) and Plant Health Care (PHC) programs for landscape plants. However, the use of pheromone traps and interpretation of trap catches can be confusing due to the dive
Publikováno v:
Arboriculture & Urban Forestry. 21:63-68
The azalea lace bug is a severe pest of ornamental azaleas throughout much of eastern North America. Reports in the literature suggest that lace bugs occur more abundantly and damage azaleas more frequently in sunny, exposed landscapes compared to mo