Resistance of Cucurbita Spp. To Fusarium Solani for Use as Rootstock

Santos, J. S. dos; Dias, R. de C. S.; Almeida, Karina Branco de; Ribeiro, Paula Adriane Pérez; Nascimento, T. L. do

doi:10.1590/1983-21252020v33n211rc

Cited by 4 publications

(9 citation statements)

References 16 publications

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“…Cucurbita spp. germplasms that present high frequency of individuals with tolerance to Fsc were identified as rootstock candidates [18]. Additionally, grafted Citrullus lanatus on Ferro, GV 100 (C. maxima × C. moschata), and Just (Cucurbita spp.)…”

Section: Discussionmentioning

confidence: 99%

“…The DSI is based on a visual non-parametric scale ranging from 0 to 4: 0 = no damage, 1 = leaf epinasty/soaked crown, 2 = constricted/girdling crown, 3 = wilt/chlorosis, and 4 = death; this is analogous to other authors [6,9,18]. The percentage of plants with symptomatology plotted against time produced an area under the disease progress curve (AUDPC) that represented the disease evolution.…”

Section: Tolerance Evaluationmentioning

confidence: 99%

“…Most studies on SBPFO in cucurbits have been focused on the Cucumis genus and the different formae speciales of Fusarium oxysporum, although there have been some focused on Cucurbita spp. with P. capsici [9][10][11][12][13][14][15][16][17] and Fsc [2,18]. Cucurbita spp.…”

Section: Introductionmentioning

confidence: 99%

“…Cucurbita spp. accessions have been identified with high frequency of individuals with resistance to Fsc [18]. Also, some C. lundelliana and C. okeechobeensis wild species [15], C. pepo [9], and C. moschata [11] genotypes showed reduced crown rot damage caused by P. capsici.…”

Section: Introductionmentioning

confidence: 99%

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Tolerance Screening for Phytophthora capsici and Fusarium solani f. sp. cucurbitae in Cucurbita spp. and Gene Expression Responses in Mutant Families

Ayala-Doñas¹,

Gómez²,

Cara³

2022

Horticulturae

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Cucurbita species can be affected by soil-borne pathogens, such as Phytopthora capsici and Fusarium solani f. sp. cucurbitae (Fsc). Diverse commercial and conserved lines of Cucurbita spp. were tested. C. pepo subsp. pepo genotypes showed the highest susceptibility to both pathogens. The tolerance to P. capsici and Fsc was then screened in a zucchini mutant population. Two M3 mutant lines (Cp107 and Cp116) with a high occurrence of tolerant individuals to Phytophthora capsici were obtained from a screening of 160 M2 mutant lines. The M3 lines presented higher tolerance than the background MUCU-16. Furthermore, in the inoculated samples, both mutants overexpressed CpDEF and expressed more CpPAL and CpChiIV than the susceptible control. It has been previously shown that this expression pattern could be associated with tolerance in the P. capsici - Cucurbita spp. pathosystem. The M3 lines obtained could be applied in breeding programs, as they are likely to be compatible with the highly susceptible C. pepo subsp. pepo genotype.

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Section: Discussionmentioning

confidence: 99%

Section: Tolerance Evaluationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Tolerance Screening for Phytophthora capsici and Fusarium solani f. sp. cucurbitae in Cucurbita spp. and Gene Expression Responses in Mutant Families

Ayala-Doñas¹,

Gómez²,

Cara³

2022

Horticulturae

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“…Cucurbites in general have morpho-agronomic characteristics that make it possible to use them in a variety of ways, whether in feeding or culture management when used as a rootstock (CHAUDHARI et al, 2017;PINHEIRO et al, 2019;SANTOS et al, 2020;ZHOU et al, 2014).Grafting has been very sought after for cucurbits in the management of diseases, including charcoal rot (COHEN; ELKABETZ; EDELSTEIN, 2016), caused by Macrophomina phaseolina (Tassi) Goid. (1947), which affects several economically important crops of the family, such as melon and watermelon (MEDEIROS et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Resistance of Cucurbita spp. germplasm tothe fungus Macrophomina phaseolina

Lima

Barboza

Ambrósio

et al. 2021

Revista Ciência Agronômica

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The objective of this study was to evaluate genotypes of Cucurbita moschata and Cucurbita maxima for resistance to the fungus Macrophomina phaseolina (Taissi) Goid. The experiment evaluated 17 accessions of Cucurbita moschata Duchesne and 20 accessions of Cucurbita maxima Duchesne preserved in the Cucurbit Germplasm Collection of the Federal Rural University of the Semi-Arid Region (UFERSA). Four commercial controls were also used, two for each species. In both studies, three isolates of M. phaseolina were inoculated, which are kept at the Fungal Culture Collection of UFERSA: MM1531 (GenBank identifi catio: MM1531 (GenBank identifi cation: MN136199), ME249 and ME250. Plants received inoculum of the pathogen in pieces of colonized toothpick and were evaluated for the incidence and severity of the disease. Both species showed resistant plants, but with varied frequencies for the accessions. Considering the species, the frequencies observed for C. moschata were higher than those observed for C. maxima. The accessions of C. moschata ABPUN 206 F1, P114-1, P160-2, P11-2, P114-6, P14-02 and P97-1 show different levels of resistance to the Macrophomina phaseolina isolates MM1531, ME-249 and ME-250.Thus, for an effi cient selection in a breeding program for the characteristic, the selection strategies adopted must consider each source of resistance in isolationand not each species.

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Biocontrol of Fusarium root rot in squash using mycorrhizal fungi and antagonistic microorganisms

El-Sharkawy

Abdelrazik

2022

Egypt J Biol Pest Control

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Background The study amid to investigate the influence of Trichoderma album, T. harzianum, T. koningii, Bacillus subtilis (EF1) and Pseudomonas fluorescens against Fusarium solani, the causal agent of root rot in squash under in vitro conditions. Field experiment was conducted to evaluate the effects of arbuscular mycorrhizal fungi i.e., (Glomus intraradices, G. monosporum, G. etunicatu, AMF) and T. harzianum (TZ) as well as B. subtilis (BS) either as individual or combined treatment against Fusarium root rot of squash in two successive seasons of study 2020 and 2021 using New Eskandrani cultivar. Results Trichoderma harzianum caused the greatest reduction in mycelial growth of F. solani (75.17%), followed by T. album and T. koningii. Amongst the tested 4 cultivars (Sakata, Galaxy, New Eskandrani H1 hybird, Hollr Queen F1 hybrid) in glasshouse, Hollr Queen was the most resistant to the infection of F. solani with survival rate (84.92%), whereas New Eskandrani c.v was the most susceptible. Results of filed experiments proved that the combined inoculation of AMF + TZ + BS, AMF + BS, AMF + TZ, TZ + BS resulted in significant elevation of total chlorophyll, carotenoids, free phenolic compounds, free amino acids, total protein as well as the antioxidative enzyme activities (i.e. Superoxide dismutase, Peroxidase and Polyphenol-oxidase) and contents of macro and micro elements. Results further showed that the combined treatments caused a significant decrease in disease severity in both seasons with subsequent significant increase of plant growth parameters as well as total fruit yield/plant and total fruit yield/feddan. Conclusion It could be concluded that the combined inoculations of the tested bioagents proved to have potentials in control of Fusarium root rot but large scale field experiments should be conducted before any ultimate conclusion or recommendation was drawn.

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Resistance of Cucurbita Spp. To Fusarium Solani for Use as Rootstock

Cited by 4 publications

References 16 publications

Tolerance Screening for Phytophthora capsici and Fusarium solani f. sp. cucurbitae in Cucurbita spp. and Gene Expression Responses in Mutant Families

Tolerance Screening for Phytophthora capsici and Fusarium solani f. sp. cucurbitae in Cucurbita spp. and Gene Expression Responses in Mutant Families

Resistance of Cucurbita spp. germplasm tothe fungus Macrophomina phaseolina

Biocontrol of Fusarium root rot in squash using mycorrhizal fungi and antagonistic microorganisms

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