in order to study the effect of organic fertilizer on shoot yield and essential oil content of lavender, this experiment was conducted in the research institute of forest and rangelands, karaj, iran, in 2013-14. the treatment groups consisted of vermicompost (0, 5, 10 and 15 ton/ha) and cow manure (0, 10, 20 and 30 ton/ha). the experimental design was a factorial experiment based on randomized ...

Vernonia cinerea (VC) Less has been proposed as a medicinal plant with interesting activities, such as an aid for smoking cessation worldwide. Despite its previous clinical success in smoking cessation by exhibiting reduced oxidative stress, it has not been approved. The aim of this study was to investigate various antioxidant activity and active compounds that have not been approved, including...

green roofs are a part of efforts to make the cities more sustainable and it is one of the modern solutions for urban problems. the physical development of cities led to loss of the natural environment. therefore, the development of green spaces plays an important role in human life. in order to evaluate the effect of some culture media on yield of “oenothera speciosa rosea” in green roof situa...

in this study, the concentrations of 25, 375 and 500 ml l -1 of cola+ 2000 mg l -1 of peppermint essence and concentrations of 30, 45 and 60 ml l -1 of apple extract +2000 mg l -1 rosemary essence on alstroemeria cut flowers (cv. balance) were investigated to verify the use of natural ingredients in flowers preservative solutions. this experiment was conducted in the laboratory of gorgan univer...

rose (rosa hybrida l.) is one of the mostly cultivated cut flowers in iran and around the world. the study was carried out to increase the vase life and quality of cut rose ‘grand prix` and ‘avallanche` by using various floral preservative solutions. floral preservative solutions were agno3, 8-hqs, nano silver and distilled water. treatments were compared with tap water as control. the experime...

This study was conducted to investigate the effects of different silicon supplements and postharvest treatments on growth and yield of gerbera in a greenhouse experiment. Silicon supplements were including potassium silicate at three concentrations (0, 140 and 200 mg L−1), sodium silicate at three concentrations (0, 50 and 100 mg L−1) and rice hull ash (RHA) at three concentrations (0, 50 and 1...

Abstract In tropical areas, since the day length (DL) is shorter than critical DL for chrysanthemum (Dendranthema x grandiflorum Kitam.), flowers before reaching required stem (SL) cut flower. Two experiments were conducted with aim of determining vegetative growth genotype; to attain a SL and promote using night break (NB) red light spray type chrysanthemum. first experiment, was extended by o...

Humic acid is an organic having positive effect on plant growth. The presentstudy was carried out to see the of humic in combination with NPK soil for growth,flower production and vase life gladiolus flowers. Five treatments i.e. nitrogen, phosphorous, potash(NPK) (17:17:17) (10 g), 8% (1.0 mL) + (2.0 mL)+ (3.0 (10g) were studied, whereastreatment without exogenous feeding served as control. Al...

Abstract The purpose of this study is a scientifically based selection representatives the genera Paeonia L., Hosta L. and Iris promising for use in urban landscaping. choice research objects determined by three criteria. These are: 1) Paeonia, - large generic complexes with number cultivars; 2) their cultivars are characterized wide morphological diversity; 3) Russia, these cultures have long ...