Microbiological changes and severity of decay in apples stored for a long-term under different storage conditions

Juhnevica-Radenkova, Karina; Radenkovs, Vitālijs; Segliņa, Dalija

doi:10.13080/z-a.2016.103.050

Cited by 7 publications

(4 citation statements)

References 22 publications

(29 reference statements)

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“…Blue mould, the causative agent of which was P. expansum, occurred less frequently and its share among all the diseases was 3.4%. This disease occurs in different orchard regions and affects between 0.1% and 6.6% of fruit in integrated cultivation [Ivic et al 2013, Juhnevica-Radenkova et al 2016, Novotny et al 2019]. Apple scab Venturia inaequalis (Cooke) Winter is an example of a disease where the infection and growth of the pathogen takes place in the orchard during the growing period.…”

Section: Discussionmentioning

confidence: 99%

Incidence of postharvest fungal diseases of apples in integrated fruit production

Grabowski

2021

asphc

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In 2014–2017 an investigation was carried out into the occurrence of fungal storage diseases of five apple varieties (Red Jonaprince, Gala, Golden Delicious, Gloster and Ligol) in the Sandomierz orchard region. The fruit was stored at a CA cold storage room with ULO controlled atmosphere for six months. Occurrence of eight storage diseases was found. The most frequently occurring disease was bull’s eye rot and the losses caused thereby were even 24% of the affected fruit. The cultivars most susceptible to this disease were the Golden Delicious and Ligol apples; the least susceptible were the Gloster ones. The apples were significantly less affected by the fungi that cause brown rot, grey mould rot, blue mould rot and apple scab. Very seldom were the symptoms of calyx end rot, mouldy core and core rot, and anthracnose. Varying severity of infection of the varieties was noted in each season of observation.

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Section: Discussionmentioning

confidence: 99%

Incidence of postharvest fungal diseases of apples in integrated fruit production

Grabowski

2021

asphc

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“…are frequently isolated from decaying apples as fungi causing postharvest disease (Valiuškaitė et al 2006, Konstantinou et al 2011, Grantina-Ievina 2015, Juhnevica-Radenkova et al 2016. Many researchers (Konstantinou et al 2011, Juhnevica-Radenkova et al 2016 only mention Penicillium expansum, but other species of the genus Penicillium can probably cause postharvest disease of apples, too. Amiri & Bompeix (2005) isolated seven Penicillium species from decaying apples (P. chrysogenum, P. commune, P. digitatum, P. expansum, P. rugulosum, P. solitum, P. verrucosum).…”

Section: Dominant Fungi Causing Postharvest Diseasesmentioning

confidence: 99%

“…Many studies focused on the occurrence of fungi causing postharvest diseases of apples have been published from different parts of the world (e.g. Sholberg & Haag 1995, Valiuškaitė et al 2006, Konstantinou et al 2011, Alwakeel 2013, Břrve et al 2013, Grantina-Ievina 2015, Juhnevica-Radenkova et al 2016. Nevertheless, the number of studies comparing the occurrence of fungal species causing postharvest diseases of fruits harvested from organic and integrated apple orchards is very limited.…”

Section: Introductionmentioning

confidence: 99%

Comparison of the occurrence of fungi causing postharvest diseases of apples grown in organic and integrated production systems in orchards in the Czech Republic.

Novotný¹,

Lukáš²,

Brožová³

et al. 2019

Czech Mycol.

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During the years 2013-2015, the occurrence of fungi causing postharvest diseases of apples was evaluated in three apple orchards with integrated and organic production systems in the Czech Republic. The postharvest disease fungi were more frequently recorded in fruits from organically cultivated apple trees (average 29.97%) than those from integrated production (17.67%). This difference is statistically significant. Neofabraea, Penicillium, Alternaria and a sterile grey mycelium were the most frequently recorded taxa in apples grown in organic and integrated production systems. There were also significant differences in the frequency of occurrence of the most frequent fungal taxa between years. In 2013 and 2014, Neofabraea was the most frequently isolated genus in both cultivation systems, whereas in 2015, Penicillium was the most frequently recorded genus also in both cultivation systems, which was likely caused by the low precipitation in the 2015 growing season.

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“…Deep learning is a vital method for modern computer vision [ 24 , 34 , 38 , 53 ]. Deep learning, namely, deep neural networks classify semantic objects and export the output of pattern classification [ 15 , 19 , 27 – 29 , 51 , 58 , 59 ], which has shown its super capability to outperform than our human visual system.…”

Section: Introductionmentioning

confidence: 99%

Apple Ripeness Identification Using Deep Learning

Xiao

Nguyen

Yan

2021

Communications in Computer and Information Science

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Deep learning models assist us in fruit classification, which allow us to use digital images from cameras to classify a fruit and find its class of ripeness automatically. Apple ripeness classification is a problem in computer vision and deep learning for pattern classification. In this paper, the ripeness of apples in digital images will be classified by using convolutional neural networks (CNN or ConvNets) in deep learning. The goal of this project is to verify the capability of deep learning models for fruit classification so as to lessen our human labor. Our experiments consist of four parts, namely, image preprocessing, apple detection, ripeness classification, and resultant evaluations. The contribution of this paper is that the classifiers are able to achieve the best result, i.e., the ripeness class of an apple from a given digital image is able to be precisely predicted. We have optimized the deep learning models and trained the classifiers so as to achieve the best outcome.

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Microbiological changes and severity of decay in apples stored for a long-term under different storage conditions

Cited by 7 publications

References 22 publications

Incidence of postharvest fungal diseases of apples in integrated fruit production

Incidence of postharvest fungal diseases of apples in integrated fruit production

Comparison of the occurrence of fungi causing postharvest diseases of apples grown in organic and integrated production systems in orchards in the Czech Republic.

Apple Ripeness Identification Using Deep Learning

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