Identification of a new locus conferring antixenosis to the brown planthopper in rice cultivar Swarnalata (Oryza sativa L.)

Qiu, Yongfu; Ling, Cheng; Liu, F.; Li, R.B.

doi:10.4238/2013.august.29.4

Cited by 11 publications

(9 citation statements)

References 20 publications

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“…BR4831 is a dual-gene ( Bph14 and Bph15 ) homozygous stable line, while C602 and HF106 are single-gene ( Bph14 or Bph15 ) homozygous lines, and BR4831 showed higher resistance to BPH than HF106 and C602 in both the seed box and field tests. Employing seed box tests, several previous studies involving the Bph14 and Bph15 genes [ 11 – 16 , 26 ] as well other genes [ 19 , 27 ] have demonstrated similar results regarding pyramided rice lines showing stronger resistance than single-gene lines. The antibiosis recorded herein with the two single-gene introgression lines C602 and HF106 was not as strong as that reported by Li et al [ 11 ], where 92.3% of Bph14 single-introgression lines exhibited moderate resistance, and all of the Bph15 single-introgression lines showed resistance or high resistance in the seed box test.…”

Section: Discussionmentioning

confidence: 62%

Resistance to Nilaparvata lugens in rice lines introgressed with the resistance genes Bph14 and Bph15 and related resistance types

Han

Liu

et al. 2018

PLoS ONE

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Crop resistance is a cost-effective and environmentally friendly strategy for pest management. The brown planthopper (BPH, Nilaparvata lugens) is a devastating rice insect pest due to its ability to rapidly overcome plant resistance and the lack of sufficient resistance resources. BR4831 (a rice breeding line derived from the pyramiding of two BPH resistance genes, Bph14 and Bph15, into the elite rice variety Huang-Hua-Zhan, HHZ) and two single-gene introgression lines (HF106, carrying Bph14, and C602, carrying Bph15, in the elite rice cultivar 9311) were evaluated for their resistance to BPH using a standard seed box screening test coupled with field tests. The related resistance types were determined using laboratory assays. The seed box test and laboratory biological assays showed that BR4831 exhibited strong antibiotic resistance, and the behavioral assay showed that this line also exhibited strong antixenotic resistance, while both HF106 and C602 exhibited only weak antibiosis and no antixenotic resistance. Field tests showed significantly improved resistance in BR4831 compared to that of its recipient parent HHZ and slightly increased resistance in HF106 and C602 in comparison with their recipient parent 9311. These results demonstrate that the rice line BR4831, with pyramided resistance genes, exhibits higher resistance than the monogenic lines HF106 and C602 and highlight the benefits of combining the seed box seedling test, field tests and laboratory assays to thoroughly analyze plant resistance types.

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Section: Discussionmentioning

confidence: 62%

Resistance to Nilaparvata lugens in rice lines introgressed with the resistance genes Bph14 and Bph15 and related resistance types

Han

Liu

et al. 2018

PLoS ONE

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“…Antixenosis refers to plants that can avoid pest-related damage. Qiu et al [28] detected one antixenotic QTL, Qbph8 ( t ), from resistance variety Swarnalata which conferred a host preference behavior.. Tolerance refers to plants being able to sustain tissue loss with little or no decrease in fitness relative to that in the undamaged state [24, 32].…”

Section: Discussionmentioning

confidence: 99%

“…On the contrary, it should be beneficial for controlling BPH outbreaks. Previous studies have indicated that rice cultivars containing major and minor genes/QTLs have a stronger antixenosis compared to plants containing a single gene/QTL [28]. Furthermore, it also confers more durable resistance to the BPH insects [5, 39].…”

Section: Discussionmentioning

confidence: 99%

“…This variety carries one major resistance gene, Bph1 , and several associated minor resistance QTLs [1, 2, 8]. This phenomenon was observed when pyramiding Bph6 and one antixenosis QTL, qBph8 ( t ) [28]. These examples suggest that the identification and characterization of different types of resistance genes/QTLs associated with BPH resistance is both important and imperative in practical rice breeding programs.…”

Section: Introductionmentioning

confidence: 99%

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Mapping and characterization of a quantitative trait locus resistance to the brown planthopper in the rice variety IR64

et al. 2019

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Background Rice planthoppers (main brown planthopper, Nilaparvata lugens Stål; BPH) was one of substantial threats to Asia rice production as its serious destruction and difficulties in control under field conditions. Notably, host-plant resistance was proved to be one of the effective ways to manage the pest. And stronger virulence will probably emergence when continuous use of insecticides. Therefore, more resistance genes with different resistance mechanisms were needed to be detected and then applied in the rice breeding practice. Results Resistance genes in the rice variety IR64 were evaluated considering the seedling bulk test and seedling survival rate. As a result, a locus with a large LOD score of 7.23 was found between markers RM302 and YM35 on chromosome 1. The locus explained 36.9% of phenotypic variation and was tentatively denominated Bph37 . Moreover, Bph1 was detected to be harbored by the markers RM28366 and RM463, and had the largest LOD score of 2.08, explaining 7.7% of phenotypic variance in the same mapping population. Finally, the preliminary-near-isogenic-lines (pre-NILs) carrying Bph37 exhibited significant tolerance to the insects. But no antibiotic or antixenotic effects were observed in the resistant plants when infested with the insects. Conclusions We mapped one major BPH resistance gene Bph37 in consideration of seedling survival rate and the resistance lines showed tolerance to BPH. The detected gene should be beneficial for understanding the resistance mechanism of rice to BPH and for insect-resistance rice breeding programs.

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“…Hence, antibiosis resistance is conferred against the biology of the insect (Heinrichs 1986). The major impacts of antibiosis are weakened persistence of insects and lowered rate of reproduction and growth followed by host tissue (Panda and Heinrichs 1983;Kennedy et al 1987;Qiu et al 2013).…”

Section: )mentioning

confidence: 99%

Battling against Brown Planthopper in Rice: Genomic Selection in Backcross Breeding to Produce Resistant Cultivars - A Review

Rathnayake

Karunrathne

Rathnayake

et al. 2020

SL J. Agric. Ecosys.

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Brown Planthopper (BPH), Nilaparvata lugens Stål, imposes a significant threat to the rice cultivation in Sri Lanka, generating 5-10% of annual yield losses. Rice farmers mainly adopt chemical methods to control the BPH attacks. The intensive use of insecticides is a crucial trigger for the development of resistance and hence continuous BPH outbreaks. Thus, the chemical methods of control do not provide a permanent solution to the BPH. The most recommended strategy of resolving the BPH crisis in rice is the development of resistant cultivars. Most of the Sri Lankan rice germplasm has already been screened for BPH resistance; however, reliable molecular breeding strategies must be implemented to acieve this target.Development of BPH resistant cultivars relies on utilizing appropriate genomic selection protocols in breeding schemes such as marker-assisted backcrossing.Therefore, a literature survey was carried out to evaluate BPH control methods and to emphasize the employment of backcross breeding with the genomic selection approach as a precise tool to develop BPH resistant rice varieties. The genetic basis of BPH resistance has been unravelled for many rice cultivars however, further screening is required to identify locally available resistant sources. The polymorphic markers for the foreground and background selection must be developed for the introgression of the BPH resistant genes and recovery of the recurrent parent genome. The validation of the markers developed in the international breeding and genetics programmes for the local germplasm is also an essential step prior to the genomic selection of BPH resistant rice varieties.

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Identification of a new locus conferring antixenosis to the brown planthopper in rice cultivar Swarnalata (Oryza sativa L.)

Cited by 11 publications

References 20 publications

Resistance to Nilaparvata lugens in rice lines introgressed with the resistance genes Bph14 and Bph15 and related resistance types

Resistance to Nilaparvata lugens in rice lines introgressed with the resistance genes Bph14 and Bph15 and related resistance types

Mapping and characterization of a quantitative trait locus resistance to the brown planthopper in the rice variety IR64

Battling against Brown Planthopper in Rice: Genomic Selection in Backcross Breeding to Produce Resistant Cultivars - A Review

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