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RISS 인기검색어
- 검색키워드
- 저자 : Mahdiyeh Gholami (검색결과 3 건)
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Mahdiyeh Gholami,Majid Rahemi 한국원예학회 2009 Horticulture, Environment, and Biotechnology Vol.50 No.2
Almond is one of the drought resistant species suitable for growing in the dry lands of Iran. To evaluate the response of seedlings and cuttings of peach-almond hybrid (GF677) to different irrigation regimes, an experiment was conducted under greenhouse conditions in 2007. The stratified kernels and uniform rooted cuttings were planted in 20-L pots. After determination of field capacity (FC) of pot soils, irrigation treatments were imposed by daily irrigation to FC level or irrigation to FC at intervals 2, 4, or 8 days for 96 days. Stem water potential (SWP), relative water content (RWC), stomatal conductance, transpiration rate, photosynthetic rate, sub-stomatal CO₂, and water use efficiency were determined at 32 day intervals during the experimental period. Results showed that SWP at the three measurement times was lower in seedlings under 8 day irrigation intervals (-2.14 ㎫) than in the cuttings (-1.95 ㎫). The reduction of RWC throughout the experimental period was higher for seedlings (7.1%) than cuttings (5.1%). Therefore, cuttings of GF677, through better control of stomata, decreased transpiration, increased water use efficiency and appear to be more drought-resistant than their seedling counterparts.
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Mahdiyeh Gholami,Faezeh Mokhtarian,Bahram Baninasab 한국작물학회 2015 Journal of crop science and biotechnology Vol.18 No.1
Soil salinity is one of the most serious agricultural problems. There are many biological strategies by which salinity tolerance of potential crops can be increased. The ameliorative efficiency of salt priming on emergence and seedling growth was examined in black seed (Nigella sativa), a valuable medicinal herb. The seeds were soaked for 24 h at 25ºC in the dark in distilled water (control) or 1 or 2% of KNO3, CaCl2, NaCl, ZnSO4, or CuSO4. After the all treatments, the seeds were washed with distilled water and sown. Although all priming agents were effective in alleviating adverse effects of salt stress on black seed at germination stage, NaCl proved to be the most effective since the seeds primed with this salt had significantly higher germination performance than those treated with other salts or distilled water. Next to NaCl, KNO3, CaCl2, and ZnSO4 were also effective in promoting seed germination and early growth under saline conditions.
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Mahdiyeh Gholami,Majid Rahemi,Somayeh Rastegar 한국원예학회 2011 Horticulture, Environment, and Biotechnology Vol.52 No.5
Effects of postharvest application of two plant growth regulators viz., benzyladenine (BA) and gibberellic acid (GA_3)with sucrose in the pulse solution on the vase life of roses ‘Red One’ were investigated. Results show a maximum gain in fresh weight (18.01%) in the cut roses in the treatment with a 20 mg・L^(-1) GA_3 + 100 g・L^(-1) sucrose pulse solution. In contrast to the change in fresh weight, treatments of 10 or 20 mg・L^(-1) BA and the control recorded the maximum water uptake. A pulse solution of 10 or 20 mg・L^(-1) GA_3 + 100 g・L^(-1) sucrose or 10 mg・L^(-1) BA+ 10 mg・L^(-1) GA_3 + 100 g・L^(-1) sucrose significantly increased vase life of cut roses than the control. Treatments of 100 g・L^(-1) sucrose, control, 10 mg・L^(-1) GA, 10 or 20 mg・L^(-1) BA + 100 g・L^(-1) sucrose recorded higher petal tissue electrolyte leakage and decrease in vase life. Pulsing with a solution of sucrose at lower concentrations along with GA_3 (10 mg・L^(-1)) was promising in increasing vase life of cut roses ‘Red One’.
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