Results 131 to 140 of about 2,569 (174)

Chemical ecology of symbioses in cycads, an ancient plant lineage. [PDF]

open access: yesNew Phytol
Salzman S   +6 more
europepmc   +1 more source

The Pine Root-Collar Weevil

Journal of Forestry, 1944
Abstract This paper discusses the characteristics, life history, habits, economic importance, and control of the pine root-collar weevil. The insect is sometimes very destructive in plantations of Scotch, Austrian, and Corsican pine, and for more than a decade has caused serious damage in widely scattered localities from New England ...
J. V. Schaffner, H. L. McIntyre
openaire   +1 more source

Root Weevil Control on Rhododendron, 1976

Insecticide and Acaricide Tests, 1977
Abstract As a follow-up to 1975 studies which showed Orthene to be an effective deterrent to leaf damage caused by adult root weevil, a completely randomized trial with 4 replicates of each of 10 treatments was set up. Each block consisted of a group of plants whose number varied according to the area necessary to ensure that adequate ...
R. Lee Campbell, D. A. Barstow
openaire   +1 more source

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