To assess nickel-induced toxicity in plants, Zea mays seeds were germinated and cultured on nutrient solution with nickel concentrations of 50-200 μM for a period of two weeks. Observed biological makers included biomass, soluble and total protein contents, and the activities of guaiacol peroxidase (GPX), ascorbate peroxidase (APX), catalase (CAT), and phenylalanine ammonia-lyase (PAL) in the l...

Hairy root culture is an effective method to produce secondary metabolites. In fact, hairy roots are genetically and biologically stable and also they are able to produce metabolites without hormones. Chicory (Cichorium intybus L.) is one of the most important medicinal plants with valuable medicinal compounds. In this research, hairy roots were induced by different Agrobacterium rhizogenes str...

in other to evaluation of morphological and phenological traits of 24 populations, from four species chamomile of the genus of anthemis, an experiment were carried out using randomized completely blocks design (rcbd) in three replications in alborz research station in karaj, iran during 2011-12. 13 traits including: length and width of canopy diameter, plant height, number of flower, shoot fres...

studies on crop improvement of saffron (crocus sativus l.) can play an important role in development of this native crop. in this context, an experiment was conducted at agricultural research station, ferdowsi university of mashhad, iran, as a factorial based on randomized complete block design with three replications, during 2005-2010 years. first studied factor was planting pattern of saffron...

environmental stress especially drought is one of the most important factors to reduce and disturbance in different stages of floral growth especially sprouting in dry and semi-dry lands of iran. for this purpose a factorial essay executed in accidentally manner with four iterations in vitro condition. four genotypes of bromus tomentellus pasture types were used (92 tehran, 630 kordestan, 3414 ...

pollution of agricultural lands is a widespread problem in mine regions. the transport of the pollutants through the food chain, causes their accumulation s in tissues of plants and animals which endangers their health. this study aimed to measure the concentrations of heavy metals (lead, copper, zinc and manganese) in wheat roots of darreh zaresh villages which might be used for future environ...