Inheritance of type IV glandular trichome density and its association with whitefly resistance from Solanum galapagense accession LA1401

Andrade, Marcela Carvalho; Silva, Alex Antônio da; Neiva, Irã Pinheiro; Oliveira, Izabela Regina Cardoso de; Castro, Evaristo Mauro de; Francis, David M.; Maluf, Wilson Roberto

doi:10.1007/s10681-016-1792-1

Cited by 46 publications

(45 citation statements)

References 23 publications

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“…The interspecific cross (S. lycopersicum x S. galapagense) provided the F1 and F2 segregating populations. Plants of the F2 population were selected for contrasting densities of leaf trichomes and were denoted BPX-486 (Andrade et al, 2017). The female parent of the cross, 'TOM-684' is a precommercial elite line of S. lycopersicum, with low glandular trichome density and low acyl sugar content in the leaves (Maciel, Maluf, Silva, Gonçalves Neto, & Gomes, 2011), and LA-1401 is a wild accession of S. galapagense, with a high type IV glandular trichome density, a high leaf acyl sugar content, and resistance to arthropod pests (Lucatti et al, 2013).…”

Section: Methodsmentioning

confidence: 99%

“…These correlations seem to simply reflect the lower proportion (or absence) of glandular trichomes in the genotypes, with higher density of nonglandular trichomes. Andrade et al (2017) studied the inheritance of type IV glandular trichomes and their association with resistance to silverleaf whitefly B. tabaci, using populations derived from the cross of tomato with the accession LA-1401 of S. galapagense. The authors observed that the type IV trichome has relatively simple inheritance, which facilitates its introgression in the domesticated tomato and the association between this type of trichome and the lower preference for reproduction and feeding of silverleaf whitefly.…”

Section: Genotypementioning

confidence: 99%

“…The wild species Solanum galapagense is phylogenetically nearest to the cultivated tomato S. lycopersicum (Peralta, Spooner, & Knapp, 2008), and some of its accessions, such as LA-1401, have high levels of pest resistance. This resistance is associated a with high density of glandular trichomes and a with high leaf content of the acyl sugar allelochemical (Firdaus et al, 2013;Lucatti, Van Heusden, Vos, Visser, & Vosman, 2013;Andrade et al, 2017). Therefore, S. galapagense constitutes an important source of genes for tomato pest resistance that can be used in crop breeding programs, providing excellent expectations for success in subsequent generations.…”

Section: Introductionmentioning

confidence: 99%

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Glandular trichomes that mediate resistance to green peach aphid in tomato genotypes from the cross between S. galapagense and S. lycopersicum

Silva¹,

Carvalho²,

Andrade³

et al. 2019

Acta Sci. Agron.

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The aim of this study was to verify the resistance of tomato genotypes (crossed with Solanum galapagense) to the green peach aphid, Myzus persicae, and the association of this resistance with glandular trichomes. Leaf trichomes were quantified for seven F2 genotypes of the BPX-486 population derived from crossing S. lycopersicum ‘TOM-684’ and S. galapagense accession ‘LA-1401’, for the commercial controls ‘TOM-584’ and ‘Santa Clara’, and for the accession ‘LA-1401’. After this evaluation, the genotypes were subjected to two nonpreference resistance tests of the green peach aphid in the laboratory, one with choice and the other without choice. Five genotypes (BPX-486-17, BPX-486-62, BPX-486-10, BPX-486-46, and BPX-486-08) and the accession LA-1401 exhibited a high density of type IV glandular trichomes and a lower mean number of nymphs and adults of M. persicae than two genotypes (BPX-486-313 and BPX-486-383) and the controls with a low density of glandular trichomes, in all the evaluations of both tests. Significant negative correlations between the density of type IV glandular trichomes of the tomato genotypes and the preference of M. persicae were found, which confirms the association between this type of glandular trichome and resistance to M. persicae in tomato genotypes.

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Section: Methodsmentioning

confidence: 99%

Section: Genotypementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Glandular trichomes that mediate resistance to green peach aphid in tomato genotypes from the cross between S. galapagense and S. lycopersicum

Silva¹,

Carvalho²,

Andrade³

et al. 2019

Acta Sci. Agron.

Self Cite

View full text Add to dashboard Cite

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“…Studies using S. galapagense as an AA source are more recent when compared to S. pennellii. As in S. pennellii, the presence of AA in S. galapagense is closely associated to the presence of type IV glandular trichomes [73]. These authors, when investigating the inheritance of type IV glandular trichome density and its association with whitefly resistance, identified high estimates for heritability, both broadly and in the narrow sense.…”

Section: Resistance Introgression With Acylsugarsmentioning

confidence: 95%

“…However, this technique may significantly aid in the selection process. Very useful markers have been developed for the identification of plants with high type IV glandular trichome density and high AA content in populations derived from crossings with S. galapagense 'LA1401' [73,86].…”

Section: Current Overview Challenges and Prospects For Pest-resistanmentioning

confidence: 99%

Tomato Breeding for Insect-Pest Resistance

Zeist¹,

Silva²,

deResende³

et al. 2019

Recent Advances in Tomato Breeding and Production

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The tomato is susceptible to pest attacks that can lead to damages throughout the crop cycle. Pest control is carried out, mainly, by insecticide and chemical acaricide spraying. However, the use of chemical pest control can cause severe damage to the environment, biological imbalances and deleterious effects on farmers and consumer health, as well as increased production costs. An interesting alternative to minimizing the problems arising from the agrochemical application and maintaining pest populations below the economic damage level is the development of tomato plants displaying resistance to insect and arachnid pests. In this context, the main purpose of this chapter is to provide a review of the techniques applied in this regard, major progresses to date and future prospects for tomato pest-resistance breeding. This chapter is divided into five sections: (1) wild pestresistant tomato species, (2) allelochemicals that confer pest resistance, (3) techniques used for the introgression of pest resistance genes (4) overview, challenges and prospects for pest-resistant tomato breeding and (5) final considerations.

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Dwarf‐cashew resistance to whitefly (Aleurodicus cocois) linked to morphological and histochemical characteristics of leaves

Goiana

Dias-Pini

Muniz

et al. 2019

Pest Management Science

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BACKGROUND: The cashew whitefly (CW), Aleurodicus cocois, is an important pest of cashew in Brazil. The use of resistant plants may be an effective strategy for the control of this pest. In a preliminary assay, we found that dwarf-cashew clones show different levels of resistance to CW. Here, we hypothesized that such resistance is associated with morphological characteristics of cashew leaves and their content of phenolic compounds. RESULTS: We determined (i) the attractiveness and suitability for oviposition of five dwarf-cashew clones towards CW, (ii) the leaf morphology and chemistry of those clones, and (iii) the relationship between leaf characteristics and resistance to CW.In greenhouse multiple-choice assays, PRO143/7 and CCP76 showed, respectively, the lowest and highest counts of both CW adults and eggs. Scanning electron microscopy (SEM) analysis revealed that PRO143/7 and EMBRAPA51 have, respectively, the highest and lowest numbers of leaf glandular trichomes. We found a negative correlation between number of trichomes in the abaxial surface of cashew leaves and CW oviposition. In addition, confocal microscopy analysis and histochemical tests with ferrous sulfate indicated a higher accumulation of phenolic compounds in the resistant clone PRO143/7 relative to the other clones. Dwarf-cashew clones did not significantly differ based on the number of leaf epicuticular striations, and the thickness of both leaf lamina and the epidermal layer. CONCLUSION: The resistance of dwarf-cashew plants to CW is associated with an elevated number of trichomes and accumulation of high levels of phenolics in leaves. Additionally, the contribution of epicuticular striation density and thickness of leaf lamina/epidermal layer are insignificant.

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Inheritance of type IV glandular trichome density and its association with whitefly resistance from Solanum galapagense accession LA1401

Cited by 46 publications

References 23 publications

Glandular trichomes that mediate resistance to green peach aphid in tomato genotypes from the cross between <i>S. galapagense</i> and <i>S. lycopersicum

Glandular trichomes that mediate resistance to green peach aphid in tomato genotypes from the cross between <i>S. galapagense</i> and <i>S. lycopersicum

Tomato Breeding for Insect-Pest Resistance

Dwarf‐cashew resistance to whitefly (Aleurodicus cocois) linked to morphological and histochemical characteristics of leaves

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