Olive Nematodes and their control

Sasanelli, N.

doi:10.1007/978-1-4020-9858-1_12

Cited by 11 publications

(4 citation statements)

References 54 publications

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“…The area under another Mediterranean species, olive, has increased in recent decades. This crop is severely damaged by several RKN species (Sasanelli, ), such as M. incognita, M. javanica and M. arenaria, but also M. hapla (Santos, ) (Table ). Putative sources of resistance to M. javanica ( O. europaea cv Leccino) and to both M. incognita and M. javanica ( O. europaea cv Corotina) have been identified, suggesting that a resistance‐based control strategy may become feasible in the future for olive crops (Sasanelli, ).…”

Section: Resistance In Other Woody Cropsmentioning

confidence: 99%

Resistance to root‐knot nematodes Meloidogyne spp. in woody plants

et al. 2016

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Summary Root‐knot nematodes (RKNs) Meloidogyne spp. cause major damage to cultivated woody plants. Among them, Prunus, grapevine and coffee are the crops most infested by worldwide polyphagous species and species with a more limited distribution and/or narrower host range. The identification and characterization of natural sources of resistance are important steps to develop RKN control strategies. In woody crops, resistant rootstocks genetically different from the scion of agronomical interest may be engineered. We describe herein the interactions between RKNs and different woody crops, and highlight the plant species in which resistance and corresponding resistance (R) genes have been discovered. Even though grapevine and, to a lesser extent, coffee have a history of rootstock selection for RKN resistance, few cases of resistance have been documented. By contrast, in Prunus, R genes with different spectra have been mapped in plums, peach and almond and can be pyramided for durable resistance in interspecific rootstocks. We particularly discuss here the Ma Toll/interleukin‐1 receptor‐like‐nucleotide binding‐leucine‐rich repeat gene from Myrobalan plum, one of the longest plant R genes cloned to date, due to its unique biological and structural properties. RKN R genes in Prunus will enable us to carry out molecular studies aimed at improving our knowledge of plant immunity in woody plants.

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Section: Resistance In Other Woody Cropsmentioning

confidence: 99%

Resistance to root‐knot nematodes Meloidogyne spp. in woody plants

et al. 2016

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“…Previous reviews updated knowledge about nematode diversity associated with olive tree [53,[65][66][67][68].…”

Section: Diversity Of Plant-parasitic Nematodes Associated With Olive...mentioning

confidence: 99%

“…Indirect root damages are also related to nematode infection, whose penetration opens pathways to other soilborne pathogens (bacteria, fungi) [67,74]. The best example is the association of PPN, such as M. incognita and P. vulnus, with the fungal pathogen Verticillium dahliae (Verticillium wilt).…”

Section: Impacts Of Plant-parasitic Nematodes On Olive Treesmentioning

confidence: 99%

Plant-parasitic nematodes associated with olive tree (Olea europaea L.) with a focus on the Mediterranean Basin: A review

Ali

Chapuis

Tavoillot

et al. 2014

Comptes Rendus. Biologies

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Six Olea europaea subspecies with distinct geographic areas are distinguished [1,2] (Fig. 1): subsp. europaea present in the Mediterranean Basin, with two botanical varieties: O. europaea subsp. europaea var. europaea for the cultivated forms, and O. e. subsp. e. var. sylvestris for wild and spontaneous trees (usually named oleasters) [2]; subsp. laperrinei in the Saharan mountains; subsp. cuspidata from southern Africa to southern Egypt and from Arabia to China; subsp. guanchica in the Canary Islands; subsp. maroccana in southern Morocco; subsp. cerasiformis in Madeira. The Mediterranean olive (Olea europaea L. subsp. europaea; Oleaceae) is one of the first domesticated tree

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“…Europaea), are essentially grown in sub tropical climatic conditions (Argen-... tina, Australia, California, Chile, China, Mexico, Perù, Iran, Iraq, Jordan and South Africa) and especially in the countries of the Mediterranean Basin where about 85 % of the world olive production is concentrated. Over one hundred species of phytoparasitic nematodes have been reported in association with olive (Lamberti & Vovlas, 1993;Nico et al, 2002;Sasanelli, 2009). However, only a few genera and species can affect growth of olive trees such as the root-lesion nematodes Pratylenchus vulnus and P. penetrans, the citrus nematode Tylenchulus semipenetrans, Gracilacus peratica, Rotylenchulus macrodoratus, the longidorids Xiphinema elongatum and X. index, and the root-knot nematodes Meloidogyne spp.…”

Section: Introductionmentioning

confidence: 99%

Effects of the root-knot nematodes Meloidogyne incognita and M. javanica on olive plants growth in glasshouse conditions

et al. 2014

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The influence of ten initial population levels (0, 0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, 12.8 and 25.6 second stage juveniles/cm3 soil) of Meloidogyne incognita and M. javanica on olive cultivar Zard growth was studied in two pot trials. Ten month old self-rooted olive cuttings were individually transplanted into 2 000 cm3 pot and inoculated with the defined initial populations, of both nematode species. Plants were grown in glasshouse for 13 months, then they were uprooted and plant growth (percent growth increase of main shoot length, number of nodes on main shoot, top and root fresh and dry weights and root length) and nematode parameters (root gall index, J2/g root, final nematode population density and reproduction rate Pf/Pi) were recorded. Results showed that cv. Zard was more susceptible to M. javanica than to M. incognita. A significant reduction of main shoot length growth 37.6 % and 10.7 % was observed at 0.1 and 12.8 juveniles/cm3 soil of M. javanica and M. incognita, respectively, in comparison to uninfested plants. Root systems of olive plants grown in M. incognita or M. javanica infested soils were galled within the gall index range 1.4–6. No significant differences were observed in the number of nodes on main shoot, top and root fresh weights and root dry weight at high levels of M. incognita Pi. A tolerance limit (T) of 0.4 juveniles/cm3 soil was estimated for olive plants cv. Zard to M. javania. The use of resistant olive rootstock or selected cultivars is recommended to minimize or to limit damage of nematode infections in nurseries and to prevent secondary attacks of soil borne plant pathogens especially Verticillium dahliae.

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Olive Nematodes and their control

Cited by 11 publications

References 54 publications

Resistance to root‐knot nematodes Meloidogyne spp. in woody plants

Resistance to root‐knot nematodes Meloidogyne spp. in woody plants

Plant-parasitic nematodes associated with olive tree (Olea europaea L.) with a focus on the Mediterranean Basin: A review

Effects of the root-knot nematodes Meloidogyne incognita and M. javanica on olive plants growth in glasshouse conditions

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