The introduced parasitoid Microctonus aethiopoides (Hymenoptera: Braconidae) appears to be an effective biocontrol agent for clover root weevil Sitona lepidus Gyllenhal (Coleoptera: Curculionidae) in New Zealand pastures. As these pastures lack accessible nectar sources, hemipteran honeydew may be...

Trials of exotic varieties of Poplar species and their wood production potential at Guilan province (Caspian region) of Iran have been started after 1960s. Some ecological requirements and exceptions might positively od negatively affect the poplar's adaptation process. The trial was conducted...

In order to determine the growth and yield of three pine species, this study was carried out in the forest and rangeland research station of Zaghmrz, located in East of Caspian sea shore. Treatments were Pinus pinea, P. longifolia and P. brutia. Their one year old seedlings were arranged based on...

Countrywide releases of an estimated twenty million Falconia intermedia Distant (Miridae: Heteroptera) individuals have not enhanced the biological control of the invasive Lantana camara L. (Verbenaceae) in South Africa. Although the leaf-feeder initially colonized plants at many sites, it only...

The Marabou weed, a woody shrub introduced in Cuba, has become an invasive species difficult to control. In a field trial in Huelva, the aboveground biomass accounted for 61±3% of the total dry biomass. The shoot/root ratio was 1.55±0.17, the leaf weight ratio 0.20±0.04 kg_leaves kg_plant^-1, and it...

The rapid range expansion of naturalized Italian ryegrass (Lolium multiflorum Lam.) in farmland is a serious problem in Fukuroi City, Shizuoka, Japan. Glyphosate has been used to control Italian ryegrass in the levees of rice paddy and wheat fields for about 20 years in this area. Some wild...