Quantitative trait locus mapping of ovicidal response in rice (Oryza sativa L.) against whitebacked planthopper (Sogatella furcifera Horvath)

Masanori Yamasaki, Hiroshi Tsunematsu, Atsushi Yoshimura, Nobuo Iwata, Hideshi Yasui

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

The ovicidal response in rice (Oryza sativa L.) to whitebacked planthopper (WBPH), Sogatella furcifera Horvath, is characterized by the formation of watery lesions which result in the death of WBPH eggs. To determine the genetic mechanism of this ovicidal response, a set of 71 rice recombinant inbred (RI) lines (F 8 , F 9 , and F 10 ) derived from a cross of japonica cultivar Asominori and indica cultivar IR24, the two parents, and the F 1 were phenotyped for percentage of watery lesions (PWL) and WBPH egg mortality (EM). PWL and EM showed significant positive correlations (P < 0.001) and transgressive segregation was observed for both traits. A total of 10 quantitative trait loci (QTLs) for ovicidal response were detected with 292 RFLP markers in the F 6 and F 7 populations by composite interval mapping (LOD ≥ 1.5). Four of 10 QTLs coincided for PWL and EM and each three QTLs were only detected for PWL and EM. The QTL on chromosome 6 (R1954-L688) was most significantly associated with the ovicidal response and accounted for 69.9% of phenotypic variance for PWL (F 8 ) and 46.0% of phenotypic variance for EM (F 8 ). Positive alleles for ovicidal response came from Asominori on chromosomes 1, 3, 6S (short arm), 8, and 12 and from IR24 on chromosomes 2, 6L (long arm), and 10. QTL accumulation from both parents was the genetic basis of the transgressive segregation in the RI population. No epistatic interaction was detected. The Asominori allele on the chromosome 6S QTL was essential to the ovicidal response, and R1954 was found to be a target marker for marker assisted selection.

Original languageEnglish
Pages (from-to)1178-1183
Number of pages6
JournalCrop Science
Volume39
Issue number4
DOIs
Publication statusPublished - Jan 1 1999

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Sogatella furcifera
quantitative trait loci
Oryza sativa
rice
chromosomes
transgressive segregation
water
phenotypic variation
alleles
cultivars
marker-assisted selection
inbred lines
restriction fragment length polymorphism
death

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science

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Quantitative trait locus mapping of ovicidal response in rice (Oryza sativa L.) against whitebacked planthopper (Sogatella furcifera Horvath). / Yamasaki, Masanori; Tsunematsu, Hiroshi; Yoshimura, Atsushi; Iwata, Nobuo; Yasui, Hideshi.

In: Crop Science, Vol. 39, No. 4, 01.01.1999, p. 1178-1183.

Research output: Contribution to journalArticle

Yamasaki, Masanori ; Tsunematsu, Hiroshi ; Yoshimura, Atsushi ; Iwata, Nobuo ; Yasui, Hideshi. / Quantitative trait locus mapping of ovicidal response in rice (Oryza sativa L.) against whitebacked planthopper (Sogatella furcifera Horvath). In: Crop Science. 1999 ; Vol. 39, No. 4. pp. 1178-1183.
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