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Plant Growth-Promoting Rhizobacteria (Pgpr) Increase Yield, Growth And Nutrition Of Strawberry Under High-Calcareous Soil Conditions
Scopus
Toplam 123 atıf DOI
Plant growth promoting effects of Alcaligenes 637Ca, Staphylococcus MFDCa-1, MFDCa-2, Agrobacterium A18, Pantoea FF1 and Bacillus M3 were tested on strawberry cv. 'Aromas' based on yield, number, and weight of fruit, leaf area, vitamin C, total soluble solids (TSS), acidity and ionic composition of leaves under calcareous soil conditions. The results demonstrated that all of bacterial treatments significantly affected all parameters tested. The best result was obtained from 637Ca treatment, which significantly increased fruit yield, number and weight about 47.5, 34.7, and 9.4%, respectively, compared to control. Except for magnesium (Mg) and zinc (Zn) in the leaf, the concentrations of all plant tissue nutrients [nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), iron (Fe), copper (Cu), manganese (Mn), boron (B)] were significantly increased by bacterial treatments tested. The data in the present study showed that all bacterial treatments including Alcaligenes 637Ca, Staphylococcus MFDCa-1, MFDCa-2, Agrobacterium A18, Pantoea FF1, and Bacillus M3 to strawberry plants can ameliorative the deleterious effect of high lime on fruit yield, growth and nutrition. These results suggested that plant growth-promoting Rhizobacteria (PGPR) treatments could be offer an economic and simple means to increased plant resistance for high calcareous soil conditions. 2014 © Taylor & Francis Group, LLC.
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Agronomic and physio-biochemical responses to exogenous nitric oxide (NO) application in cauliflower under water stress conditions
Scopus
Havuzumuzda 10 atıf almış
Water stress is the most significant abiotic stress factor that restricts agricultural cultivation, causes yield and quality losses, and negatively affects food supply security worldwide. Therefore, it is crucial to explore the effects of water stress on plants. In the present study, we determined the effects of varying concentrations of exogenous nitric oxide (NO) on the morphology, physiology, and biochemistry of cauliflower under different water stress conditions. Four irrigation levels (full irrigation at 100 % as a control – I100 % and water stresses at 20, 40, and 60 %, corresponding to I80 %, I60 %, and I40 %, respectively) and four concentrations of nitric oxide - NO (0, 50, 100, and 150 μM NO, namely, NO0 – control, NO50, NO100, and NO150) were evaluated. The applied water stress negatively affected different plant growth parameters, actual photosynthetic efficiency (PSII), and stomatal conductance (gs) and increased leaf temperature and hydrogen peroxide (H2O2), malondialdehyde (MDA), and proline contents. NO application not only contributed positively to plant growth parameters under stress conditions but also improved PSII and gs. In addition, NO reduced the negative effects of water stress by inducing the antioxidant defense system. The 150 µM NO application contributed to plant growth under full irrigation and water stress conditions.
Atıf Yapan Makale Bilgileri
Kurumlar (2)
Sakarya University of Applied Sciences
Serdivan, Turkey
Selçuk Üniversitesi
Selçuklu, Turkey