During a period of 5 years, we monthly monitor the phenology and the stem diameter increment of 12 of Schinus terebinthifolius trees. Dendrometer bands were used for it. This study was aimed to answer the following questions: (i) Are there conflicting demands for resource allocation in different...

Gypsy moth outbreaks cause severe defoliation in Holarctic forests, both in North America where it is invasive, and in its native range in Eurasia. Defoliation can hamper timber production and impact ecological communities and processes. Aerial insecticide applications are regularly performed in...

Pine wilt disease, caused by pinewood nematode (Bursaphelenchus xylophilus; abbreviated 'PWN'), is a damaging and globally distributed insect-vectored forest pathogen. Native forest tree mortality associated with PWN is newly reported from the Front Range of Colorado, but there is no regional...

In this study, to isolate and identify the root endophyte fungi, root samples of herbaceous plants were collected from the central regions of Mazandaran province during 2016-17. In laboratory, each root sample was cultured on PDA medium after surface disinfestation and incubated for a month at 25°C ...

The project of studying pests of different Salix species in West Azarbaijan Province was started in 2011 for five years. Samplings were carried out at 15-30 day intervals in growing seasons in seven natural selected sites, and willow collection design in Saatloo Research Station. Pest arthropods...

The aim of this study was to evaluate the vegetation cover of alder and broadleaved coniferous forests of alder, maple and oak and compare it with natural forest in Ramsar Ridge. 96 sample plots of 400 square meters were collected by regular random sampling. The bio-spectrum of plants was...

The present study was conducted with the aim of mass production of seedlings of Populus deltoides Marsh. and P. euramericana (Dode) and to investigate the vegetative yield of the produced seedlings. In the first phase of the study, the collected seeds from the poplar collection of Chamestan Forest...

The degree of soil cohesion investigation through the presence of roots is one of the important criteria in soil reinforcement studies. In this study, the investigation and comparison of the degree of soil cohesion have been carried out using two models of WWM and FBM. For this purpose, seven...

Pests and diseases can cause a variety of reactions in plants. In recent years, the boxwood dieback has become one of the essential concerns of practitioners and natural resources managers in Iran. To control the boxwood dieback spread, the early detection and disease distribution maps are...

Ulmus pumila, as a valuable tree species, has been widely used in medicine, food, industry and so on. In this paper, the main functional components and functions contained in the leaves, bark and cash of Ulmus pumila, as well as the research progress of its utilization were reviewed.