abstract this reasearch was conducted to study the phenotypic diversity of thymus kotschyanus populations. seeds were collected from natural inhabitats (guilan, mazandaran, west azarbaijan, semnan and qazvin) and planted in qom reasearch station in 2007. a number of some such different morphological and phenological traits of the plants as plant,s height, leaf length, leaf width, oil content, i...

in order to study of water deficit effects on yield and some vegetative aspects of cotton, 30 cotton genotypes evaluated in 2014 summer at garmsar agricultural research station in greenhouse and field conditions. the experimental design was split plot based on a completely randomized blocks with three replications. six superior genotypes including k8801, k8802, avengard, varamin, khordad and qu...

Grasses such as Miscanthus ×giganteus and Panicum virgatum (switchgrass) can potentially be used to produce bioenergy on a large scale in the Midwestern USA. The biomass productivity of these warm-season perennial grasses, particularly M. × giganteus, can be substantial, even when grown with limited inputs. The literature, however, varies regarding the nitrogen requirements for M. ×giganteus bi...

background and objectives: quinoa (chenopodium quinoa willd.) is a member of amaranthaceae family that originated in the andean region in bolivia, chile and peru five thousands of years and so it has a tiny and round seeds. quinoa in different combinations of food used as food, as well as how to cook like rice grains and known as the inca rice in the south american countries. the high nutrition...

Mite management is a major problem in pomegranate (Punica granatum L.) cultivation the arid and semi-arid regions of India other Asian countries. The aim this work was to investigate susceptibility false spider mite (Tenuipalpus punicae) germplasm collection Indian pomegranates. A field screening 73 accessions allowed define different classes (from very low high) based on percentage infested le...