نوع مقاله : علمی - پژوهشی
نویسندگان
1 دانشیار، گروه زراعت، دانشگاه فردوسی مشهد
2 دانشجوی دکتری گروه باغبانی دانشگاه فردوسی مشهد
چکیده
به‌منظور بررسی اثر کودهای آلی بر جبران خسارت ناشی از تنش خشکی بر صفات موروفولوژیک و فیزیولوژیک توده اطلسی ایرانی آزمایشی به صورت فاکتوریل بر پایه طرح کاملاً تصادفی با سه تکرار در دانشگاه فردوسی مشهد اجرا شد. تیمارهای آزمایش شامل سه سطح آبیاری، (آبیاری بر اساس 100 درصد ظرفیت زراعی به میزان 360 سی‌سی (D1)، 50 درصد ظرفیت زراعی به میزان 180 سی‌سی (D2) و 25 درصد ظرفیت زراعی به میزان 90 سی‌سی (D3)) و 4 تیمار بستر کاشت (شاهد، کمپوست، ورمی‌کمپوست و دامی) بود. نتایج نشان داد اثر ساده استفاده از تیمارهای کودی بر صفات وزن تر گل، طول، قطر و تعداد گل، محتوای رطوبت نسبی و شاخص پایداری غشاء معنی‌دار است. برهمکنش دو عامل مورد بررسی نیز بر صفات وزن تر ساقه و گل، تعداد و طول گل، سطح برگ، حداکثر عملکرد کوانتومی فتوسیستم II، محتوای رطوبت نسبی و شاخص پایداری غشا معنی‌دار شد. تیمار دامی در شرایط آبیاری با 25 درصد ظرفیت زراعی (D3) طول گل را نسبت به شاهد 14 درصد افزایش داد و در 50 درصد ظرفیت زراعی (D2) میزان پایداری غشاء در بستر دارای کود ورمی‌کمپوست 62 درصد بود که نسبت به شاهد تیمارهای کودی در همین سطح از آبیاری، 67 درصد افزایش داشت. به نظر می‌رسد اسفاده از کودهای دامی و ورمی‌کمپوست در بهبود اثرات سوء ناشی از کم آبیاری مؤثر باشند.
کلیدواژه‌ها
موضوعات
عنوان مقاله [English]
Evaluation of Culture Media Including Vermicompost, Compost and Manure under Drought Stress in Iranian Petunia (Petunia hybrida)
نویسندگان [English]
- M Goldani 1
- M Kamali 2
1
2
چکیده [English]
Background and Objectives
Organic fertilizers are derived from animal matter, human excreta or vegetable matter. (e.g. compost, manure). Organic fertilizers are carbon-based compounds that increase the productivity and growth quality of plants. Organic fertilizers preserve food cycle; reduce pollution and remediation of soil physicochemical properties and stabilization of plants in soil. Use of these organic fertilizers ensures that the food items produced are free of harmful chemicals. As a result, the end consumers who eat these organic products are less prone to diseases such as cancer. In addition to the on-farm production possibilities of organic fertilizers, organic fertilizers help in maintaining the soil structure and increasing its nutrient-holding capacity. Organic fertilizers are easily bio-degradable and do not cause environmental pollution. On the other hand, chemical fertilizers contaminate both the land and water, which is a major cause of diseases for human beings and is the force behind the extinction of a number of plant, animal, and insect species.
Material and Methods
In order to investigate the effect of organic fertilizers (vermicompost, compost and manure) on morpho physiological characteristics of Petunia hybrida an experiment based on a completely randomized design with three replications was conducted at the Ferdowsi University of Mashhad.Irrigation treatments consisted of three levels (100 % of field capacity by irrigation at a rate of 360 cc (D1), 50% of field capacity by as much as 180 cc (D2) and 25 % of field capacity by as much as 90 cc (D3 )), and four fertilizer treatments (control, compost, vermicompost and manure). Some traits such as stem fresh weight leave fresh weight, flower fresh weight, length, diameter and number of flowers, SPAD index, leaf area, relative water content and membrane stability index were measured.
Results
The results showed that effects of the treatments on traits such as flower fresh weight, length, diameter and number of flowers, SPAD index, relative water content and membrane stability index were significant at 1% level. The interaction of two factors on traits such as stem and flower fresh weight, flower number, leaf area, leaf fluorescence, relative water content and membrane stability index was significant. Thus the weight of a single flower per plant increased with the application of vermicompost fertilizers, compost and manure, respectively, 16/26, 65/9 and 40/8% over control at 100% capacity. Irrigation with treated manure at 25% field capacity (D3) increased length of flower over 14% compared to control. In 50% of field capacity (D2) with vermicompost in the context of the membrane stability index was 62% which, compared to control treatments at the same level of irrigation, was increased by 67%. Use of manure and vermicompost seems to improve adverse effects of drought stress.
Discussions
Manure and vermicompost improves soil aeration, enriches soil with micro-organisms (adding enzymes such as phosphatase and cellulase), Enhances germination, plant growth, and crop yield and also improves water holding capacity.
کلیدواژه‌ها [English]
- Fresh weight
- Leaf area
- Petunia
- Relative water content
- Ashraf, M. and Foolad, M.R. 2007. Roles of glycine, betaine and proline in improving plant abiotic stress resistance. Environmental and Experimental Botany, 59: 206-216.
- Bachman, G.R. and Davis, W.E. 2000. Growth of magnolia virginiana liners in vermicompost-amended media. Pedo Biologia, 43: 579-590.
- Barraclough, P.B. and Kyle, J. 2001. Effect of water stress on chlorophyll meter reading in winter wheat. Plant Nutrition-Food Security and Sustainability of Agro-Ecosystems, pp: 722-723.
- Blum, A., Mayer, J., and Gozland, G. 1982. Infrared thermal sensing of plant canopies as a sereening technique for dehydration avoidance in wheat. Field Crops Research, 5: 137-146.
- Bredemeier, C. 2005. Laser-induced chlorophyll fluorescence sensing as a tool for site-specific nitrogen fertilizer evaluation under controlled environmental and field conditions in wheat and maize, Ph. D. Thesis, Technical University, Munich, 219 P.
- Foyer, C.H., Leadis, M., and Kunert, K.J. 1994. Photo oxidative stress in plants. Plant Physiology, 92: 696-717.
- Ghosh, P.K., Ajay, K.K., Bandyopadhyay, M.C., Manna, K.G., Mandal, A.K., and Hati, K.M. 2004. Comprative effectiveness of cattle manure, poultry manure, phosphocompost and fertilizer-NPK on three cropping system in vertisols of semi-arid tropics. Dry matter yield, nodulation, chlorophyll content and enzyme activity. Bioresource Technology, 95: 85-93.
- Hasan zade, A. Impact of biological fertilizers containing phosphorus uptake facilitator on the amounts of phosphorus fertilizer on yield and yield components of barley. Agriculture Master's thesis, College of Agriculture and Natural Resources, University of Tehran, 215 P.
- Hopkins, W.G. and Huner, N.P. 2004. Introduction to plant physiology. 3rd, John Wiely and Sons. Pub., New York.
- Jat R.S. and Ahlawat, I.P.S. 2008. Direct and residual effect of vermicompost, biofertilizers and phosphorus on soil nutrient dynamics and productivity of chickpea fodder maize sequence. Journal of Sustainable Agriculture, 28(1): 41-54.
- Kafi, M., and Rostami, M. 2008. Effect of drought stress in reproductive growth stage on yield and components yield and oil content three safflower cultivars in irrigation with salty water conditions. Journal of Agronomy Research, 5(1):121-131. [In Farsi]
- Khalighi, A. 1997. Floriculture. Gulshan publications. Tehran, 360 P.
- Liang, Y., Chen, Q., Liu, Q., Zhang, W., and Ding, R. 2003. Exogenous silicone (Si) increases antioxidant enzyme activity and reduces lipid per oxidation in roots or salt- stressed barley (Hordeum Vulgare L.). Journal of Plant Physiology, 99: 872-878.
- Masoomi, A., Kafi, M., Nezami, A., and Hoseyni, S.H. 2006. Effects of drought stress on morphological traits in chickpea (Cicer arientinum) genotypes in greenhouse. Iranian Journal of Field Crops Research, 3(2): 277-289. [In Farsi]
- Mcginnis, M., Cooke, A., Bilderback, T., and Lorscheider, M. 2003. Organic fertilizers for basil transplant production. Acta Horticulturea, 491: 213-218.
- Munne, S. and Alegre, L. 1999. Role of dew on the recovery of water stressed Melissa officinallis Journal of Plant Physiology, 154(5-6): 759-766.
- Shabanian Borojeni, H., Haj Abbasi, M.A., Mobli, M., and Afuni, M. 2005. Effects of wastewater and sewage sludge of Iran polyacrile factory on some morphological characteristics and Ion concentration of lawn, snapdragon and seweet wiilliams. Journal of Horticul Science Technology, 6(3): 135-148. [In Persian with English abstract]
- Sharifi, M., Afyuni, M., and Khoshgoftarmanesh, A.H. 2010. Effect of Sewage sludge, compost and cow manure on growth and yield and Fe, Zn, Mn and Ni uptake in tagetes flower. Journal of Greenhouse Culture Science and Technology, 1(2): 43-53. [In Farsi]
- Sreevalli, Y., Baskaran, K., Chandrashekara, R., kuikkarni, R., SuShil Hasan, S., Samresh, D., Kukre, J., Ashok, A., Sharmar Singh, K., Srikant, S., and Rakesh, T. 2001. Preliminary observations on the effect of irrigation frequency and genotypes on yield and alkaloid concentration in periwinkle. Journal of Medicinal and Aromatic Plant Science, 22: 356-358.
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