THE SEVENTEEN invited papers presented here provide a cross-section of the kinds of forests affected with canopy dieback in the central and south Pacific region. Although the papers were grouped by country, they show interesting betweencountry similarities in research approaches and in the causes considered most plausible at the present state of knowledge. It therefore seems appropriate to reca...

We isolated and characterized nine polymorphic microsatellite markers for Eutypa lata, a fungal pathogen responsible for Eutypa dieback of grapevine, in populations from two California vineyards (24 isolates per vineyard). Allele frequency ranged from two to 11 alleles per locus and haploid gene diversity ranged from 0.33 to 0.83. All samples comprised unique haplotypes. Our results suggest tha...

The study aimed at assessing the pest risk and management practices of lemon production its profitability in Tangail district Bangladesh. Household survey was conducted by an interview schedule from 120 growers who were selected as sample respondents following a proportionate random sampling technique. Lemon butterfly dieback disease identified important problems cultivation. found with highest...

The current increase of severe droughts associated with climate change is one the main causes observed dieback in Mediterranean holm-oak ( Quercus Ilex subs ballota ) forests. Effects forest soils are greatly variable and depend on a number local factors, but generally include increased soil organic C due to litter inputs, alterations nutrient contents, changes nitrogen cycle, detrimental effec...

Given the multifunctional role of forests, there is an urgent need in forming biologically stable and productive tree stands to obtain maximum ecological economic effect for Ukraine present-day conditions. Therefore, studies species composition, spread, pathogenic action, harmful effects pathogens infectious diseases main forestforming Zhytomyr Polissia allow designing a real phytosanitary situ...

Abies sibirica Ledeb.-dominated stands degradation is of special concern. Nevertheless, insufficient attention paid to the role pathogens in this process. The aim present study assess coenotic infectious diseases fir-dominated south Central Siberia. research was based on a forest pathological examination conducted A. sibirica-dominated Krasnoyarsk Krai. cenotic identified unequal. Stem decay an...

Forest disturbances in central Europe caused by fungal pests may result in widespread tree mortality. To assess the state of health and to detect disturbances of entire forest ecosystems, up-to-date knowledge of the tree species diversity is essential. The German state Mecklenburg–Vorpommern is severely affected by ash (Fraxinus excelsior) dieback caused by the fungal pathogen Hymenoscyphus pse...