Abstract Background Root-knot nematodes ( Meloidogyne spp.) are among the most important plant pathogens. Biological control is one of safety and effective methods for these nematodes. The aim present study was isolation identification endophytic bacteria from tomato fields in some areas Iran order to evaluate their biocontrol potential against root-knot nematode. In study, population collected...

Substitution—customers' ability to choose among comparable products—is a key factor in economic competition, as it prevents any one seller from charging inordinately high prices. If two products are sufficiently similar the customer's perspective, an increase price of will generally drive customers other, thereby reducing overall revenue for company that charges higher It is not difficult find ...

Some populations of Gundelia tournefortii were compared based on chemotaxonomical characteristics. In this study, some biochemical compounds such as total protein and storage proteins of shoot were studied. The populations were compared on the basis of biochemical characteristics using statistical methods. Different populations were collected from mountains of west Azarbaijan province. Total pr...