The Biology and Ecology of Rosa x hybrida (Rose)
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Shading Impact on Qualitative Characteristics and Chlorophyll Content of Cut Rose (Rosa hybrida cv. Avalanche)
Light intensity is considered a limiting factor in greenhouse rose production. The main aim of this experiment was to evaluate the effect of shading treatments (0, 25, 50, and 65% shading) on quality and chlorophyll content of cut rose (Rosa hybrida cv. Avalanche), under greenhouse conditions. The experiment was planned in randomized completely block design with four replications. All shoots we...
متن کاملEffect of Pre-Treated Chemicals on Keeping Quality and Vase Life of Cut Rose (Rosa hybrida cv.‘ Yellow Island’)
Nanosilver of nanometer-sized silver (Ag+) particles (2-5 nm diam) are used in various applications as an anti-microbial. Boric acid (H3BO3) is water soluble (pH=7). Boric acid is ethylene synthese inhibitor and reduce ethylene production through reducing the ACC synthase and ACC oxidase delays senescence of flower. In this study of different concentrations of boric acid and nano-silver was eva...
متن کاملاثر پیشتیمارهای دمائی و شیمیائی بر روی کالوسزایی در کشت بساک گلمحمدی (.Rosa damascena Mill) و رز هفت رنگ (Rosa hybrida)
Haploidy method through androgensis is highly important in breeding of many plants. However, this method has not been successful in rose breeding, so far. In this research the responses of two rose species (Rosa damascena Mill. and Rosa hybrida) to anther culture were investigated by using some thermal and chemical pre-treatments. Results showed that the anthers cultured in early to mid-uninucl...
متن کاملEffect of Various Vermicompost-Tea Concentrations on Life Table Parameters of Macrosiphumrosae L. (Hemiptera: Aphididae) on Rose (Rosa hybrida L.) Flower
The life table parameters of Macrosiphum rosae L. (Hemiptera: Aphididae) on five vermicompost-tea (tea-compost) concentrations (20, 40, 60, 80 and 100%) and control treatment (0%) on Rosa hybrida L. were determined under laboratory conditions. There were significant differences among pre-imaginal period and adult longevity of the aphid on the five teacompost concentrations. The highest mortalit...
متن کاملPhysiological Characteristics of Two Rose Cultivars (Rosa hybrida L.) under Different Levels of Shading in Greenhouse Conditions
In many parts of Iran high light intensities during summer can induce stress in cut flower production under open field and greenhouse conditions. Despite roses prefer sunny places for optimum growth, but in practice some levels of rough shading is applied in greenhouse production to improve the quality of cut flowers. So, it is useful to find the light intensities under which different rose cul...
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