PARIS (Reuters) -French authorities have detected for the first time a microscopic worm that can ravage pine trees, extending the presence of the pathogen in Europe after it spread in Portugal and ...

Gumi City in Gyeongbuk Province has been making every effort to control pine wilt disease by treating over 90,000 dead pine trees from November last year to mid-April this year. The city is focusing ...

The Korea Forest Service has set a goal to reduce the number of infected pine trees from 1.07 million last year to 870,000 this year through intensive control of pine wilt disease (hereinafter ...

Pine wilt is a devastating disease affecting non-native pine trees. The first reported occurrence was in Japan in the early 1900s. It wasn’t until 1971 that the pine wood nematode was identified as ...

Many of the inner needles of my white pine tree are turning brown, but the limb tips are still green; could this be the bad pine disease going around? - Norm, Tulsa Brown pine needles in fall are most ...

Question: I have three pine trees in my front yard. One of them has turned brown during the past month and looks dead. The others look OK. Any idea what caused it and what I should do? - Pat F., Tulsa ...

Working for “Tree Trouble,” I’ve been blessed with observing the health and structure of trees wherever I go. Lately, I can’t help but notice all of the Pine Wilt Disease I see. Pine Wilt Disease is a ...

Introduction / J. M. Gago -- Introduction / M. M. Mota and P. Vieira -- Discovery of pine wood nematode in Portugal and in Europe / M. M. Mota, L. Bonifacio, M. A ...

Experts are warning of a tree disease spreading from the eastern part of the state that affects non-native pines. Pine wilt preys on the water flow of Scots and Austrian pines and is caused by a ...

Cooler nights and falling leaves signal that fall is here. Pines in the area are starting to change colors too. Knowing the cause of the discolored needles will help to know if it is nature taking its ...

1. Pine wilt disease (PWD) invaded southern Japan in the early 1900s and has gradually expanded its range to northern Honshu (Japanese mainland). The disease is caused by a pathogenic North American ...