Rocket (Eruca Sativa Mill.) Quality Affected by Preharvest and Postharvest Factors

Frezza, D.; Logegaray, V.; Leon, A. P.; Harris, M.; Chiesa, Á.

doi:10.17660/actahortic.2010.875.45

Cited by 3 publications

(2 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Moreover, these results are in agreement with the ones obtained for ammonia content. Many research works have proved the influence of preharvest factors on the postharvest quality of leafy vegetables, and fertilization is one of them [ 57 ]. Additionally, at harvest, rocket leaves had a bright green color, but during postharvest, they became yellow, with a general loss of visual quality [ 58 ], involving many enzymatic reactions such as chlorophyllase activity.…”

Section: Resultsmentioning

confidence: 99%

Reduced Fertilization to Improve Sustainable Use of Resources and Preserve Postharvest Quality of Fresh-Cut Wild Rocket (Diplotaxis tenuifolia L.) in Soil-Bound and Soilless Cultivation

Palumbo,

Bonelli,

Pace

et al. 2024

Plants

View full text Add to dashboard Cite

Reducing fertilizer input is a goal for helping greenhouse farming to achieve higher sustainability in the production process while preserving overall crop performance and quality. Wild rocket plants were cultivated in a plastic greenhouse divided into two independent sectors, one for soil-bound (SbS) cultivation and another equipped for soilless (ScS) cultivation systems. In both SbS and ScS, the crop was subjected to treatments consisting of a high- and a low-input fertilization program (HF and LF treatment, respectively). Water use efficiency (WUE) and partial factor productivity (PFP) for nutrients (N, P, K, Ca, and Mg for ScS, and N for SbS) were measured. Rocket leaves, separated for the cultivation system and fertilization program and collected at different cuts during the growing cycle, were cold stored at 10 °C until 16 d. On each sampling day (at harvest and during storage), the sensory parameters, respiration rate, dry matter, color, electrolyte leakage, antioxidant activity, total phenols, total chlorophyll and ammonia content were evaluated. In ScS, the PFP for all nutrients supplied as fertilizers showed a significant increase with the LF treatment, with values higher than 30% recorded for N, K, and Ca. As for the postharvest performance, rocket leaves cultivated in ScS showed better qualitative traits than those cultivated in SbS, as suggested by the lower values of ammonia content and electrolyte leakage recorded at the end of storage period in samples grown in ScS. Moreover, in ScS, the data showed lower membrane damage in LF than HF rocket leaves. Finally, regarding total chlorophyll content, even if no effect of each treatment was recorded in SbS, rocket cultivated in ScS showed a better retention of this parameter by applying LF rather than HF treatment. In addition to this, a PLS model (R2 = 0.7) able to predict the cultivation system, using as a variable non-destructively measured total chlorophyll content, was implemented. Low fertilization input, both in SbS and in ScS, allowed satisfying production levels and more sustainable management of nutrients. LF treatment applied to ScS also had in positive effects on the postharvest quality of fresh-cut rocket leaves.

show abstract

Section: Resultsmentioning

confidence: 99%

Reduced Fertilization to Improve Sustainable Use of Resources and Preserve Postharvest Quality of Fresh-Cut Wild Rocket (Diplotaxis tenuifolia L.) in Soil-Bound and Soilless Cultivation

Palumbo,

Bonelli,

Pace

et al. 2024

Plants

View full text Add to dashboard Cite

show abstract

“…Diplotaxis tenuifolia L. (D.C.) is a perennial herbaceous species belonging to the Brassicaceae family reported with the common name of 'wild rocket' or 'perennial wall-rocket' (Syn.). Wild rocket is widely cultivated on soil in polyethylene greenhouses, but it is also cultivated in soilless plant, such as using the floating or nutrient film technique [23][24][25][26]. The plant is spontaneous in the Mediterranean basin (genetic diversification center), though its cultivation became more specialized and economically important in Europe and marginally in other worldwide areas, to provide minimally processed salads with baby-leaf wild rocket to the ready-to-eat fresh vegetables supply chain.…”

Section: Introductionmentioning

confidence: 99%

Powdery Mildew Caused by Erysiphe cruciferarum on Wild Rocket (Diplotaxis tenuifolia): Hyperspectral Imaging and Machine Learning Modeling for Non-Destructive Disease Detection

et al. 2021

View full text Add to dashboard Cite

Wild rocket is a widely cultivated salad crop. Typical signs and symptoms of powdery mildew were observed on leaves of Diplotaxis tenuifolia, likely favored by climatic conditions occurring in a greenhouse. Based on morphological features and molecular analysis, the disease agent was identified as the fungal pathogen Erysiphe cruciferarum. To the best of our knowledge, this is the first report of E. cruciferarum on D. tenuifolia. Moreover, the present study provides a non-destructive high performing digital approach to efficiently detect the disease. Hyperspectral image analysis allowed to characterize the spectral response of wild rocket affected by powdery mildew and the adopted machine-learning approach (a trained Random Forest model with the four most contributory wavelengths falling in the range 403–446 nm) proved to be able to accurately discriminate between healthy and diseased wild rocket leaves. Shifts in the irradiance absorption by chlorophyll a of diseased leaves in the spectrum blue range seems to be at the base of the hyperspectral imaging detection of wild rocket powdery mildew.

show abstract

Effect Of Light Environment On Harvest Quality And Postharvest Behavior Of Minimally Processed Sweet Pepper

Frezza

Miquel

Logegaray

et al. 2016

ESJ

View full text Add to dashboard Cite

The aim of this study was to evaluate the effect of two light environments on two maturity stages of sweet pepper and the postharvest behavior of minimally processed product using passive modified atmosphere. The size and fruit morphology were measured at harvest. Overall visual quality, gas concentration inside the bags, weight loss, soluble solids, firmness, electrolyte leakage, carotenoids and ascorbic acid were determined during the storage period. Results showed that quality parameters were affected by radiation and processing. Shaded pepper fruits showed higher water content and lower size compared to fruits exposed to full radiation. Fruit nutritional value was maintained, but after six days was not marketable. Visual quality of intact fruit was not affected without differences between treatments. Shelf life processed red fruits as julienne was reduced, being the worst performing during storage. Post-harvest visual quality was in relation to gases composition (O 2 and CO 2 ) inside the trays.

show abstract

Rocket (Eruca Sativa Mill.) Quality Affected by Preharvest and Postharvest Factors

Cited by 3 publications

References 0 publications

Reduced Fertilization to Improve Sustainable Use of Resources and Preserve Postharvest Quality of Fresh-Cut Wild Rocket (Diplotaxis tenuifolia L.) in Soil-Bound and Soilless Cultivation

Reduced Fertilization to Improve Sustainable Use of Resources and Preserve Postharvest Quality of Fresh-Cut Wild Rocket (Diplotaxis tenuifolia L.) in Soil-Bound and Soilless Cultivation

Powdery Mildew Caused by Erysiphe cruciferarum on Wild Rocket (Diplotaxis tenuifolia): Hyperspectral Imaging and Machine Learning Modeling for Non-Destructive Disease Detection

Effect Of Light Environment On Harvest Quality And Postharvest Behavior Of Minimally Processed Sweet Pepper

Contact Info

Product

Resources

About