Effect of variety choice, resistant rootstocks and chitin soil amendments on soil-borne diseases in soil-based, protected tomato production systems

Giotis, Charilaos; Theodoropoulou, Afroditi; Cooper, Julia; Hodgson, Robert W.; Shotton, Peter; Shiel, R. S.; Eyre, M. D.; Wilcockson, S. J.; Markellou, Emilia; Liopa-Tsakalidi, Aglaia; Volakakis, Nikolaos; Leifert, Carlo

doi:10.1007/s10658-012-0041-2

Cited by 11 publications

(12 citation statements)

References 30 publications

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“…There is still unexplored potential to raise the suppressiveness of soils toward plant pathogens by adding biopolymers such as chitin (4,39,40). Previous work already indicated that amendments of soil with chitin modify the soil's chemistry and structure and, importantly, the structures of the microbial communities that occur in association with plants (2, 3).…”

Section: Discussionmentioning

confidence: 99%

“…Traditionally, control of the disease has been based on reducing the population of microsclerotia in the soil, through the use of (volatile) chemicals (fumigation). Recently, the use of organic amendments like green manure and chitin was shown to reduce the population size of V. dahliae in the greenhouse and the field (39,40,63). In the current study, a clear and consistent effect of chitin addition on V. dahliae microsclerotia was observed shortly after amendment, and this effect remained present over 1.5 years.…”

Section: Discussionmentioning

confidence: 99%

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Chitin Amendment Increases Soil Suppressiveness toward Plant Pathogens and Modulates the Actinobacterial and Oxalobacteraceal Communities in an Experimental Agricultural Field

Cretoiu

Korthals

Visser

et al. 2013

Appl Environ Microbiol

153

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A long-term experiment on the effect of chitin addition to soil on the suppression of soilborne pathogens was set up and monitored for 8 years in an experimental field, Vredepeel, The Netherlands. Chitinous matter obtained from shrimps was added to soil top layers on two different occasions, and the suppressiveness of soil toward Verticillium dahliae, as well as plant-pathogenic nematodes, was assessed, in addition to analyses of the abundances and community structures of members of the soil microbiota. The data revealed that chitin amendment had raised the suppressiveness of soil, in particular toward Verticillium dahliae, 9 months after the (second) treatment, extending to 2 years following treatment. Moreover, major effects of the added chitin on the soil microbial communities were detected. First, shifts in both the abundances and structures of the chitin-treated soil microbial communities, both of total soil bacteria and fungi, were found. In addition, the abundances and structures of soil actinobacteria and the Oxalobacteraceae were affected by chitin. At the functional gene level, the abundance of specific (family-18 glycoside hydrolase) chitinase genes carried by the soil bacteria also revealed upshifts as a result of the added chitin. The effects of chitin noted for the Oxalobacteraceae were specifically related to significant upshifts in the abundances of the species Duganella violaceinigra and Massilia plicata. These effects of chitin persisted over the time of the experiment.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Chitin Amendment Increases Soil Suppressiveness toward Plant Pathogens and Modulates the Actinobacterial and Oxalobacteraceal Communities in an Experimental Agricultural Field

Cretoiu

Korthals

Visser

et al. 2013

Appl Environ Microbiol

153

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“…Compost-derived products, such as compost extract (CE), are used as a source of nutrients to improve crop production, and as an inducer of systemic acquired resistance against soil-borne diseases [14][15][16][17], allowing a more sustainable production system. Depending on the origin of the compost and the way in which the CE is obtained, CEs have different compositions, although they are mainly composts of a mixture of humic and fulvic acids, organic molecules and soluble inorganic substances carried in suspension [18,19].…”

Section: Introductionmentioning

confidence: 99%

Application of Directly Brewed Compost Extract Improves Yield and Quality in Baby Leaf Lettuce Grown Hydroponically

et al. 2020

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The aim of this work was to study whether the application of a directly brewed compost extract (added in the nutrient solution or by microsprinkler) could be used to improve the yield and quality of baby leaf red lettuce growing in a floating system, and to control the incidence of Pythium irregulare. Its effect on the quality of fresh-cut red lettuce was also studied. For this, two experiments were carried out over two growing cycles (winter–spring and autumn). The results showed that the use of compost extract added to the nutrient solution improved baby leaf lettuce growth and quality, reducing the nitrate content and enhancing the content of potentially health-promoting compounds such as phenols and flavonoids and the antioxidant capacity. Microbial quality was maintained during storage and the compost extract had no negative effect on the microbial load of the final product. In addition, application of the compost decreased the population of P. irregulare in the water. It is concluded that the application of directly brewed compost extract is of potential use in a sustainable soilless production system for baby leaf red lettuce, since it improves the yield and quality of the product and is able to control the incidence of P. irregulare.

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“…Grafting has often been used to provide whole-plant tolerance to drought, soil-borne diseases, and nematodes (Gilardi et al 2014; Giotis et al 2012; Ling et al 2015; Schwarz et al 2010). Effects of the rootstock on the physiology of grafted plants may be due to root structure; enhanced absorption and translocation of water and nutrients; and the ability to produce and translocate phytohormones, including ABA, cytokinin, and ethylene, to the scion (Zhou et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Response of Glyphosate-resistant and Conventional Soybean Grafted Plants to Glyphosate

Yin¹,

Jiang

Doohan

2018

Weed Sci

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Grafting is a common technique used to impart desirable traits to a plant’s scion. Herbicide resistant rootstocks have the potential to confer non–genetically modified (non-GM) scions with herbicide tolerance while mitigating some societal concerns regarding GM crops and food. We examined the impacts of soybean cultivar and growth stage and environmental temperature on transference of glyphosate tolerance to conventional (CN) soybean scions when grafted to glyphosate-resistant (RR) rootstocks. Small CN/RR (scion/rootstock) plants (3-leaf stage) and medium-sized plants (6-leaf stage) were injured more than large plants (10-leaf stage) 34 d after treatment (DAT) with 0.84 and 1.68 kg ae ha−1 glyphosate. All CN/CN combinations died, and RR/RR were uninjured. The cultivar of the scion had a greater effect on glyphosate tolerance than the cultivar of the rootstock. CN scions 352 and 5418 were more tolerant than CN scion 5388 across all RR rootstocks 35 DAT when treated with 0.84 kg ha−1 glyphosate. CN/RR construct 5388/9392 was more sensitive to temperature compared with 352/9392. Less leaf regrowth of 5388/9392 was observed under the warmer temperature. Our experiments demonstrated that grafting imparted robust glyphosate tolerance across different plant sizes, environmental temperatures, and scion/rootstock cultivars.

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Effect of variety choice, resistant rootstocks and chitin soil amendments on soil-borne diseases in soil-based, protected tomato production systems

Cited by 11 publications

References 30 publications

Chitin Amendment Increases Soil Suppressiveness toward Plant Pathogens and Modulates the Actinobacterial and Oxalobacteraceal Communities in an Experimental Agricultural Field

Chitin Amendment Increases Soil Suppressiveness toward Plant Pathogens and Modulates the Actinobacterial and Oxalobacteraceal Communities in an Experimental Agricultural Field

Application of Directly Brewed Compost Extract Improves Yield and Quality in Baby Leaf Lettuce Grown Hydroponically

Response of Glyphosate-resistant and Conventional Soybean Grafted Plants to Glyphosate

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