Resistance of Commercial Hybrids and Lines of Sorghum, Sorghum bicolor (L.) Moench., to Diatraea saccharalis (Fabr.) (Lepidoptera: Pyralidae)

Waquil, J. M.; Rodrigues, J. A. S.; Santos, F. G. dos; Ferreira, A. S.; Vilella, F.; Foster, John E.

doi:10.1590/s1519-566x2001000400022

Cited by 3 publications

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“…Genetic correlations between stalk length and borer resistance have already been observed in other poaceous crops. Negative relationships were observed in sorghum (Waquil et al. 2001), in rice (Ntanos and Koutroubas 2000) and in maize (Russel et al.…”

Section: Discussionmentioning

confidence: 99%

“…Correlation between plant height and attractiveness for ovipositing moths has been reported by Bernal and Sétamou (2003) for Eoreuma loftini Dyar in sugarcane. As pointed out by Waquil et al. (2001), a resistance based on a difference of attractivity resulting from a difference in plant height would be ineffective in a field constituted of plants of uniform height.…”

Section: Discussionmentioning

confidence: 99%

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Damage assessment for selection of resistance to the spotted stalk borer and genetic correlations for resistance and yield components in sugarcane

Nibouche¹,

Tibere²

2008

Plant Breeding

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We conducted an assessment of the stalk damage of the spotted borer, Chilo sacchariphagus (Bojer), on 65 cultivars and elite clones under natural infestation conditions in Re´union Island, with the objectives (i) of comparing seven damage measures on the basis of their quantitative genetic parameters and (ii) of studying the relationships between borer resistance and sugarcane yield components. The heritabilities of the damage measures related to counts of borer exit holes were low, whereas the heritabilities of the damage measures related to bored stalks or internodes were high and similar amongst them. The percentage of bored stalks exhibited high phenotypic and genotypic correlations with the other damage measures, and appeared as the best cost effective damage measure. Genetic correlations revealed a negative relationship between resistance to borer and cane yield, due to a relationship of stalk damage with stalk length and (in a lesser extent) with stalk number. No significant genetic relationship between resistance and sugar content parameters was observed.Chilo sacchariphagus (Bojer), the spotted borer, is a serious pest of sugarcane in Asia and on the Indian Ocean Islands. It was recently introduced into Africa (Way and Turner 1999, Conlong andGoebel 2002). In Re´union Island, C. sacchariphagus can cause extensive damage in sugarcane fields, with losses reaching 25% of the cane yield ). The two main sugarcane cultivars cultivated on Re´union have contrasting susceptibility to borer damage. The cv. ÔR570Õ suffers fewer damage than the cv. ÔR579Õ. This fortuitous difference in susceptibility between the two varieties was observed once they were released by breeders for cultivation (Goebel 1999), because there is currently no selection programme for resistance to sugarcane borer in Re´union.The improvement of the resistance of Re´union sugarcane varieties to the spotted borer requires the use of accurate methods for estimating borer damage. Moreover, these methods should result from a compromise between reliability and cost. Methods for measuring damage of sugarcane borers were reviewed by Metcalfe (1969). The most used measures are the percentage of bored stalks, the percentage of bored internodes and the length of borer tunnels per individual stalk. More recently, Milligan et al. (2003) and Reay-Jones et al. (2003) used the count of borer exit holes as an estimate of moth population produced by sugarcane varieties. The studies of White et al. (2001) and Milligan et al. (2003), on the sugarcane borer, Diatraea saccharalis (Fabricius), are to our knowledge the only references reporting a quantitative genetics approach of sugarcane borer resistance.The first objective of our study was to estimate the genetic parameters of quantitative traits corresponding to borer damage and to calculate the correlations amongst these traits, to provide information on the most efficient measures to do in a breeding programme for sugarcane resistance to C. sacchariphagus. Our second objective was to look for possible negative...

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Damage assessment for selection of resistance to the spotted stalk borer and genetic correlations for resistance and yield components in sugarcane

Nibouche¹,

Tibere²

2008

Plant Breeding

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“…Hybrids BRS373, BRAVO, AS1615, AG1090, 80G20, and IG220 were highlighted for not having SCB-made galleries, and hybrids MSK320, A9735R, IG233, and MSK327 for showing both the smallest-sized galleries and the lowest infestation intensity. Evaluations of gallery formation and infestation intensity are considered the most adequate parameters for identifying sources of resistance to SCB in sorghum (Waquil et al, 2001). Among those hybrids, BRAVO was also identified as one of the least susceptible to losses caused by Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae) in stored grains; this information is very important, given that this hybrid was also found to be less susceptible to the main pests throughout the whole crop cycle until the end of the production chain, i.e., from the field up to storage (Pimentel et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

“…Studies evaluating different grain sorghum hybrids for resistance to SCB were performed some time ago, which included the evaluation of effects of fertilization, pest biology, and plant growth parameters (Lara, 1991;Cortéz and Waquil, 1997;Lara et al, 1997;López et al, 2000;Waquil et al, 2001;Bortoli et al, 2005). Results of these studies revealed correlations with ample genetic variability between sorghum genotypes, some of which were resistant to SCB.…”

Section: Discussionmentioning

confidence: 99%

“…Most studies that evaluated grain sorghum genotypes for resistance to SCB and other lepidopterans in Brazil were conducted over 20 years ago, especially during the 1980s and 1990s. In these studies, sources of resistance to SCB and FAW were found, to some extent, through the evaluation of plant parameters such as damage scores relative to larvae infestation, pest infestation intensity, and insect biology (Waquil et al, 1980(Waquil et al, , 2001Boiça Júnior and Lara, 1983;Waquil and Santos, 1990;Lara et al, 1997). Because these evaluations were performed a long time ago, novel resistance screening phenotyping should be conducted with more recent and improved genotypes aiming at the introgression of resistance genes into germplasm of grain sorghum breeding programs.…”

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Multiple resistance to primary pests of grain sorghum hybrids: Spodoptera frugiperda (Lepidoptera: Noctuidae), Diatraea saccharalis (Lepidoptera: Crambidae), and Diceraeus melacanthus (Hemiptera: Pentatomidae)

Souza

Menezes

et al. 2023

Rev. Bras. entomol.

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Resistance of sugarcane cultivars to Diatraea saccharalis

Dinardo-Miranda¹,

Anjos²,

Costa³

et al. 2012

Pesq. agropec. bras.

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-The objective of this work was to evaluate the oviposition preference of Diatraea saccharalis and the effect of ten sugarcane cultivars on larval development. Oviposition preference was assessed under greenhouse conditions by three releases of couples of moths, with subsequent counting of egg masses and eggs per plant. In order to evaluate the effect of the cultivars on larval development, each plant was infected with about 150 eggs, and, 29 days later, the total number of internodes, number of bored internodes, number of life forms found, larval and pupal weight and length, and the width of larval head capsule were evaluated. The cultivars IACSP94-2101 and IACSP96-2042, the least preferred by D. saccharalis for oviposition, and IACSP94-2094, the most unfavorable for larvae entrance and development, show resistance to the pest.Index terms: Saccharum, antibiosis, antixenosis, sugarcane borer. Resistência de cultivares de cana-de-açúcar a Diatraea saccharalisResumo -O objetivo deste trabalho foi avaliar a preferência de oviposição de Diatraea saccharalis e o efeito de dez cultivares de cana-de-açúcar no desenvolvimento larval. A preferência para oviposição foi avaliada em casa de vegetação, por meio de três liberações de casais da praga, com posterior contagem de posturas e de ovos em cada planta. Para avaliar o efeito das cultivares sobre o desenvolvimento da fase larval, cada planta foi infestada com cerca de 150 ovos e, após 29 dias, foram avaliados: número de entrenós totais, número de entrenós brocados, número de formas biológicas encontradas, peso e comprimento das lagartas e das pupas, e largura da cápsula cefálica das lagartas. As cultivares IACSP94-2101 e IACSP96-2042, as menos preferidas por D. saccharalis para oviposição, e IACSP94-2094, a mais desfavorável para a entrada e o desenvolvimento das lagartas no interior dos colmos, apresentam resistência ao inseto.Termos para indexação: Saccharum, antibiose, antixenose, broca-comum.

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Resistance of Commercial Hybrids and Lines of Sorghum, Sorghum bicolor (L.) Moench., to Diatraea saccharalis (Fabr.) (Lepidoptera: Pyralidae)

Cited by 3 publications

References 1 publication

Damage assessment for selection of resistance to the spotted stalk borer and genetic correlations for resistance and yield components in sugarcane

Damage assessment for selection of resistance to the spotted stalk borer and genetic correlations for resistance and yield components in sugarcane

Multiple resistance to primary pests of grain sorghum hybrids: Spodoptera frugiperda (Lepidoptera: Noctuidae), Diatraea saccharalis (Lepidoptera: Crambidae), and Diceraeus melacanthus (Hemiptera: Pentatomidae)

Resistance of sugarcane cultivars to Diatraea saccharalis

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