https://ogma.newcastle.edu.au/vital/access/ /manager/Index en-au 5 https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:41749 -1y^-1 to 1.89 Mg C ha^-1 y^-1. After 21 years, 61 Mg CO₂ ha^-1 were sequestered in long-lived soil C pools. These findings demonstrate that organic management is an effective strategy to restore or increase SOC content in Mediterranean citrus systems.]]> Wed 28 Feb 2024 14:56:40 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:43924 -1) against both A. alternata and A. citri. The results showed that lemon aqueous extracts suppressed the mycelial growth and spore germination of both species in a concentration-dependent manner. The mycelial growth inhibition (MGI) for A. alternata varied between 31 to 68%, while for the A. citri the MGI varied between 14 to 49%. Scanning electron microscopy showed that lemon waste extracts affected the morphology of both species.These results indicate that the aqueous extracts of lemon by-products contain bioactive compounds which could be potentially useful as an alternative to synthetic fungicides for controlling Alternaria.]]> Wed 05 Oct 2022 10:31:22 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:32046 p‐coumaric acid content. The highest gallic acid content was recorded in the pomace dried by hot air at 110°C. The results of this study indicate that drying technique should be carefully selected according to the bioactive compounds aimed to be extracted.]]> Tue 24 Apr 2018 15:09:46 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:32436 −1) were carried out in two citrus plantations at paired sites (Control versus CPB), in La Costera District in Eastern Spain. Forty circular (0.25 m²) plots were installed in four rows (4 × 5 = 20 plots) in control (CON) and CPB plots (20 + 20 = 40 plots) to perform the rainfall simulations over one hour. The cost of chipping ranged from 102 to 253 € ha⁻¹, and was related to the size of the farm. The soil quality, runoff and erosion assessment showed that CPB is a suitable strategy. CPB increased organic matter from 1.3% to 2.9% after 10 years in the 0–2 cm depth layer, while the 4–6 cm layer was largely not affected (OM moved from 1.1 to 1.3% after 10 years), and soil bulk density showed a similar trend: a decrease from 1.36 to 1.16 g cm⁻³ in the surface layer with no change in the subsurface layer. The hydrological and erosional responses were different between CON and CPB. The CON plots initiated ponding (40 s) and runoff (107 s) earlier than the CPB plots (169 and 254 s, respectively); and runoff discharge was 60% in CON vs 43% in CPB plots. Sediment concentration was four times larger in the CON plots than in the CPB (11.3 g l⁻¹ vs 3 g l⁻¹), and soil erosion was 3.8 Mg ha⁻¹ h^-1 vs 0.7 Mg ha⁻¹h⁻¹. CPB mulches were effective at controlling soil and water losses in Mediterranean citrus plantations as they showed the relationship between vegetation/litter cover and soil erosion rates. However, the farmer’s perception survey showed that the use of CPB was not welcomed nor accepted by the farmers. Policies that aim to promote CPB as soil conservation mulch need to be promoted by subsidies as the farmers requested, and by education to demonstrate the positive effects of CPB to of the farming community.]]> Tue 05 Jun 2018 14:58:10 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:34804 -1 of ethylene at either 5, 10 or 20 °C, whilst in a parallel experiment, Navel oranges were exposed to ≤0.001, 0.1 and 1 µL L^-1 ethylene at either 1 or 10 °C. Changes in external and internal postharvest quality parameters were assessed for up to 8 weeks for 'Afourer' mandarins and 10 weeks for Navel oranges. At all storage temperatures, high levels of ethylene were found to increase the level of calyx senescence, weight loss, loss of fruit firmness and respiration rates. Also, there were significant effects of ethylene and storage temperatures on total soluble solids (TSS) content, titratable acidity (TA), and ethanol accumulation in both citrus species. Continuous exposure to high ethylene also significantly reduced vitamin C and ferric reducing antioxidant power (FRAP) in 'Afourer' mandarins after 8 weeks of storage. Overall, ethylene treatments had a significant effect on both the external and internal qualities of the fruit during storage. The relationship between ethylene concentrations and storage temperatures demonstrate that lowering atmospheric ethylene levels at reduced storage temperatures maintain fruit quality during long term storage.]]> Tue 03 Sep 2019 17:58:57 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:33652 -1. Green peel color was visually assessed daily and a range of internal quality factors measured at the end of storage life (designated as green life). Results and discussion: Storage of limes at 30 °C resulted in a longer retention of green skin color than fruit held at the currently recommended temperature of 10 °C, whilst fruits stored at 20 °C had the shortest green life. Limes stored at all temperatures degreened more slowly as the ethylene level in the atmosphere was reduced. Internal quality, as measured by total soluble solids, titratable acidity and antioxidant activity, was not adversely affected by storage at the higher temperatures. Conclusion: Storage at a high ambient temperature and with exogenous ethylene at ‹0.1 μL L^-1 could have considerable economic benefits for limes grown in tropical climates in developing countries and possibly also in sub-tropical developed countries.]]> Thu 29 Nov 2018 13:20:29 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:34483 Thu 01 Aug 2019 16:36:16 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:29135 Sat 24 Mar 2018 07:32:35 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:33407 Fri 26 Oct 2018 16:06:01 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:46556 Fri 25 Nov 2022 11:33:45 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:48105 Fri 24 Feb 2023 15:38:11 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:43395 Fri 16 Sep 2022 09:51:41 AEST ]]>