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001-es BibID:	BIBFORM093928
035-os BibID:	(cikkazonosító)341 (WoS)000654309100001 (Scopus)85105797365
Első szerző:	Ezzat, Gaballa Kassem Ahmed (agrár)
Cím:	Temporal Patterns and Inter-Correlations among Physical and Antioxidant Attributes and Enzyme Activities of Apricot Fruit Inoculated with Monilinia laxa under Salicylic Acid and Methyl Jasmonate Treatments under Shelf-Life Conditions / Ahmed Ezzat, Szilárd Szabó, Zoltán Szabó, Attila Hegedűs, Dorina Berényi, Imre J. Holb
Dátum:	2021
ISSN:	2309-608X
Megjegyzések:	Monilinia laxa causes serious postharvest damage on apricot fruits under shelf-life storage conditions. Plant elicitors of methyl jasmonate (MeJA) and salicylic acid (SA) can reduce this damage, and their research can explain the background of the plant defense physiological processes in M. laxa-infected fruits. The aims of this study were: (i) to evaluate the effect of various concentrations of MeJA and SA on brown rot incidence (BRI) and lesion diameter (LD) of apricot fruits; (ii) to measure the temporal patterns for the effect of 0.4 mmol L?1 MeJA and 2 mmol L?1 SA treatments on BRI, LD and seven fruit measures (fruit firmness (FF), lignin content (LC), total soluble phenol content (TSPC), total antioxidant capacity (TAC) and enzyme activities of PAL, POD and SOD) in treatments of M. laxa-inoculated versus (vs.) non-inoculated fruits over an eight-day shelf-life storage period; and (iii) to determine inter-correlations among the seven fruit measures for MeJA and SA treatments. Both MeJA and SA significantly reduced BRI and LD. LC, FF, TAC, TSPC, as well as SOD and PAL activities in the MeJA and SA treatments were higher than the water-treated control in most assessment days and both inoculation treatments. In both inoculation treatments, the activity of POD in the SA-treated fruits was higher than MeJA-treated and control fruits at all dates. In MeJA vs. SA and inoculated vs. non-inoculated treatments, six variable pairs (FF vs. TSPC, FF vs. TAC, TAC vs. PAL, PAL vs. POD, PAL vs. SOD, and POD vs. SOD) showed significant inter-correlation values. Principal component analyses explained 96% and 93% of the total variance for inoculated and non-inoculated treatments, respectively. In inoculated treatments, both PC1 and PC2 explained 41% of the total variance and correlated with FF, TSPC and TAC and with PAL, SOD and POD, respectively. In non-inoculated treatments, PC1 and PC2 explained 49% and 44% of the total variance and correlated with LC, PAL, POD and SOD and with FF, TSPC and TAC, respectively. It can be concluded that MeJA and SA are useful in the practice to enhance the plant defense system against brown rot by reducing fungal growth and by improving physical and antioxidant attributes (FF, LC, TAC and TSPC) and the activity of defense-related enzymes (PAL, POD and SOD) in apricot fruits during shelf-life storage conditions.
Tárgyszavak:	Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk brown rot lesion diameter lignin fruit firmness phenol content antioxidant capacity defense related enzymes Pearson correlation regression analyses PCA
Megjelenés:	Journal of Fungi. - 7 : 5 (2021), p. 1-24. -
További szerzők:	Szabó Szilárd (1974-) (geográfus) Szabó Zoltán (1960-) (kertészmérnök) Hegedűs Attila Berényi Dorina Holb Imre (1973-) (agrármérnök)
Pályázati támogatás:	K 131478 OTKA TÁMOP-4.2.4.A/2-11/1-2012-0001 TÁMOP TKP2020-NKA-04 Egyéb
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001-es BibID:	BIBFORM102275
035-os BibID:	(cikkazonosító)580 (WoS)000818193900001 (Scopus)85131598895
Első szerző:	Molnár Bianka
Cím:	Temporal Dynamics of Incidence of Shot Hole Disease Affected by Training Systems and Cultivar Susceptibilities in an Integrated Plum Orchard / Molnár Bianka, Szabó Szilárd, Holb Imre J.
Dátum:	2022
ISSN:	2309-608X
Megjegyzések:	Shot hole disease (SHD) can cause severe epidemics in plum orchards, depending on cultivar susceptibility and training system; however, the combined effect on the progress of temporal disease and on the possible reduction in SHD in the disease management was not investigated. The aim of this 3-year study was (i) to monitor and analyze the temporal dynamics of SHD progress under four training systems (4 ? 1.5, 4 ? 2, 5 ? 2.5 and 6 ? 3 m) and on four plum cultivars (♭?Ca?canska lepotica', ♭Bluefre', ♭Stanley' and ♭President') in an integrated plum orchard; (ii) to identify those time periods when training system and cultivar combinations can reduce the disease development. Both SHD incidences and the area under the disease progress curves (AUDPC) were significantly affected by the training system, cultivar and year. Plum cultivars with high or mid?high susceptibility to SHD showed continuous SHD development from May to November, while cultivars with low susceptibility to SHD showed no symptoms until mid-summer and then progressed slowly until November. High (4 ? 1.5 m) vs. low (6 ? 3 m) density training systems reduced SHD incidence and AUDPC consistently for three cultivars (♭?Ca?canska lepotica', ♭Stanley' and ♭President') in September, October and November, compared to the high-density training system. Only cv. ♭Bluefre' showed no effect either on disease incidence or AUDPC, due to very high disease incidences in all training systems from September to November. In conclusions, combinations of training system and cultivar can significantly reduce SHD incidence, which may be successfully used as a part of the integrated pest management approach during the establishment new plantations.
Tárgyszavak:	Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk shot hole Stigmina carpophila Wilsonomyces carpophilus training system cultivar susceptibility plum cultivar disease incidence AUDPC temporal dynamics
Megjelenés:	Journal of Fungi. - 8 : 6 (2022), p. 1-18. -
További szerzők:	Szabó Szilárd (1974-) (geográfus) Holb Imre (1973-) (agrármérnök)
Pályázati támogatás:	K 131478 OTKA TÁMOP-4.2.4.A/2-11/1-2012-0001 TÁMOP A2-SZJ-TOK-13-0061 Egyéb TKP2020-NKA-04 Egyéb
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