Calonectria spp. are important pathogens of ornamental plants in nurseries, especially in the Northern Hemisphere. They are commonly associated with a wide range of disease symptoms of roots, leaves and shoots. During a recent survey in Tunisia, a number of Calonectria spp. were isolated from tissues of ornamental plants showing symptoms of leaf spot, crown and root rot. The aim of this study w...

An in vitro investigation was carried out to determine the antifungal activity of 10 methanol extracts of medicinal herbs which are commonly used in Iranian traditional medicine.these include:Myrtus communis,rheum ribes,rosa faetida,lawsonia inermis,juniperus sabina,achillea millefolium,zizyphus spina-christi,malva silvestris,arctium lappa and utrica dioica.the fungi tested in vitro were three ...

The article presents the results of a comparative study mass fraction essential oil and dynamics its accumulation in leaves subtropical introduced species Laurus nobilis L., Myrtus communis L. Rosmarinus officinalis Mardakian Arboretum located on Absheron Peninsula. These are cultivated as evergreen trees shrubs, with an optimal autumn-winter leaf ripening period. natural conditions this region...

Shrub encroachment (SE) is a phenomenon in which grasses and herbaceous vegetation are replaced by woody shrubs. Many previous studies have highlighted the effects of SE on soil respiration rates nutrient storage, but little known about impacts microbiota. While work considered shrubs to be non-species specific or as single intervening species, we selected an Ampelodemsos mauritanicus grassland...

background sinusitis is one of the most prevalent infectious diseases among those who visit doctor, which requires antibiotic intervention. the most common types of bacteria causing this disease are streptococcus pneumonia, streptococcus pyogenes, staphylococcus aureus and pseudomonas aeroginosa. nonetheless due to dangerous side effects of chemical drugs on body and increased drug resistance o...

Leaf spot disease caused by Cercospora beticola Sacc. is the most destructive foliar of beet. leaf controlled primarily fungicides because non-chemical alternatives do not provide commercially viable control. One ways reducing chemical application use different essential oils (EOs) or antagonistic plant growth-promoting rhizobacteria (PGPB). This study evaluates several EOs and PGPB belonging t...