Recent Developments on Strawberry Plant Collapse Problems in California Caused by<i>Fusarium</i>and<i>Macrophomina</i>

Koike, S. T.; Gordon, Thomas R.; Daugovish, Oleg; Ajwa, Husein A.; Bolda, Mark; Subbarao, Krishna V.

doi:10.1080/15538362.2012.697000

Cited by 40 publications

(33 citation statements)

References 5 publications

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“…Plant diagnostic analyses confirmed that these problems were associated with two soilborne fungi: M. phaseolina and Fusarium oxysporum (the causal agent of Fusarium wilt). Some authors have associated the changes in the fumigation products used and methods of application with the establishment of these two new soilborne pathogens on strawberry, especially with the use of preplant methyl bromide alternatives, applied to the beds, instead of the whole fields (Zveibil and Freeman 2005; Koike et al 2012). The biosolarization appears promising for control of soilborne pathogens in temperate climate regions.…”

Section: Introductionmentioning

confidence: 99%

Soil biosolarization for sustainable strawberry production

Domínguez

Miranda

Soria

et al. 2014

Agron. Sustain. Dev.

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Strawberry is a high value crop worth 315.6 million euros in 2013 in Spain. Strawberry diseases are commonly controlled by soil fumigation with toxic chemicals. However, since 2007, the methyl bromide fumigant is banned for strawberry cultivation. Moreover, European policies are progressively restricting the use of other toxic fumigants such as dichloropropene. Alternative control techniques are thus needed. Therefore, we have tested soil biosolarization, a new technique combining soil biofumigation and soil solarization, to cultivate the Camarosa strawberry in 2010-12 at Huelva in the southwestern coast of Spain. Soil was biofumigated by amendment of fresh chicken manure at 12,500 kg/ha with or without Trichoderma at 3.5 kg/ha; chicken manure at 25,000 kg/ha; Brassica juncea pellets at 2,000 kg/ha; sugar beet vinasse at 15,000 kg/ha; or dried olive pomace at 12,500 kg/ha. Soil was then solarized for 30 days by covering with a clear plastic mulch. A control that received fermented manure remained uncovered. Our results show that the highest yield averaging 70,543 kg/ha and the lowest percentage of 12.6 % of second-class fruits were obtained by amendment of fresh chicken manure. Yields were also similar to the higher yields previously reported for chemical fumigation with 1,3dichloropropene and chloropicrin. In addition, biosolarization is about 20 % cheaper than treatment with 1,3-dichloropropene and chloropicrin. Biosolarization with chicken manure is, therefore, a promising sustainable option for strawberry production.

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Section: Introductionmentioning

confidence: 99%

Soil biosolarization for sustainable strawberry production

Domínguez

Miranda

Soria

et al. 2014

Agron. Sustain. Dev.

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“…Some publications refer to a differential response of different genotypes to the infection caused by M. phaseolina [20,38]. In this context, it is necessary to know the behavior of commercial varieties, in order to move towards obtaining resistant cultivars.…”

Section: Introductionmentioning

confidence: 99%

“…Usually these symptoms first appear after the plants have been established in the field, at the beginning of harvest, or when subjected to stress, resulting in complete collapse or death. The affected plants show necrotic lesions in the inner crown tissue, vascular and cortical, with cracks and orange-brown discoloration [12,16,20] The pathogen forms sclerotia in infected tissues, which allows it to survive in plant debris or in the soil for long time, constituting the initial inoculum of the disease [21]. Pathogens are usually found in the top 20 cm of soil [22].…”

Section: Introductionmentioning

confidence: 99%

Susceptibility of strawberry cultivars to root and crown rot caused by Macrophomina phaseolina

Montejo‐Sánchez

Henríquez

Urcola

et al. 2016

JBR

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Abstract. BACKGROUND:A high incidence of root and crown rot of strawberries (Macrophomina phaseolina) has been observed in major strawberry production regions. In Chile, the pathogen was reported in strawberry plants in 2013. A strategy for disease management is the use of resistant cultivars. OBJECTIVE: The aim of this study was to evaluate the susceptibility of eleven strawberry cultivars to the disease. METHODS: Two trials were conducted. A first trial was performed under greenhouse conditions, with plants propagated by runners and inoculated by oat seeds infected with M. phaseolina. The impact of the disease on the growth of the plants and incidence were assessed. The second trial was performed in a growth chamber. Plants were obtained by in-vitro multiplication and were inoculated with a suspension of sclerotia of the same isolate. Plant mortality was assessed. RESULTS: Significant differences in susceptibility were observed among the eleven strawberry cultivars, with 'Florida Festival', 'Amiga' and 'Naiad' as the least susceptible cultivars, while 'Florida Fortuna' was the most susceptible cultivar in both trials. CONCLUSIONS: Differences were detected in terms of susceptibility of cultivars to root and crown rot of strawberry caused by M. phaseolina. This work contributes to knowledge about the susceptibility of strawberry cultivars to this disease.

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“…Finally, plants collapsed and die, especially if the plants are exposed to environmental stresses or were bearing a heavy load of fruit. Crowns showed that cortex and internal vascular tissues were dark brown to orange (Mertely et al, 2005;Aviles et al, 2008, Koike et al, 2013. There are many limitation of the charcoal rot control related to the pathogen such as survives and great longevity of the microsclerotia large number in the soil and infected plant debris which resilient resistant structures that allow the fungus to persist in fallow fields for longtime up to15 years (Baird et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

Survey, Varietal Reaction and Chemical Control of Strawberry Charcoal Rot in Egypt

Bakr

Hamad

2019

Pak. J. Phytopathol.

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A survey was carried out to know the occurrence of charcoal rot disease of strawberry caused by Macrophomina phaseolina in different selected locations representing different soil types during the growing season of strawberry in Badr and Kom Hamada Districts in El-Behira governorate, Egypt. Also, the effect of five chemical fungicides at five concentrations was determined in vitro and in vivo experiments against M. phaseolina compared to the control. A total of 69 strawberry samples collected from farmer’s fields. Disease incidence (DI) and percentage of disease incidence (PDI) and disease index were recorded. Results revealed that percentage of disease incidence varies among the surveyed locations. Macrophomina phaseolina isolates M3 and M4 were the most destructive isolates. Results indicate that the selected Four strawberry cultivars showed different susceptibility to charcoal rot and Festival was the high susceptible cultivar. Our findings revealed that at 100 ppm concentration the most of the fungicides used inhibited the M. phaseolina mycelium growth, however the higher rate was recorded with Sendo by 91.95 % followed by 91.12% in Rhizolex-T and the least rate was recorded with Ridomil gold plus by 31.67%. At 200 ppm Rhizolex-T gave the highest inhibition by 96.67%, followed by Sendo and Sandcur by 95.96 and 95.00 % respectively while Ridomil gold plus gave the least inhibition rate by 43.06%.Results illustrated that use of fungicides markedly increased the survival of strawberry plants. The highest plant survival percentage was recorded with Rhizolex-T by 80% followed Sendo by 60%, while least plants survival percentage was recorded with Ridomil gold plus by10% compared with infected untreated control.

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Recent Developments on Strawberry Plant Collapse Problems in California Caused byFusariumandMacrophomina

Cited by 40 publications

References 5 publications

Soil biosolarization for sustainable strawberry production

Soil biosolarization for sustainable strawberry production

Susceptibility of strawberry cultivars to root and crown rot caused by Macrophomina phaseolina

Survey, Varietal Reaction and Chemical Control of Strawberry Charcoal Rot in Egypt

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