Breeding Novel Short Grain Rice for Tropical Region to Combine Important Agronomical Traits, Biotic Stress Resistance and Cooking Quality in Koshihikari Background

Saichompoo, Uthomphon; Narumol, Possawat; Nakwilai, Pawat; Thongyos, Peeranut; Nanta, Aekchupong; Tippunya, Patompong; Ruengphayak, Siriphat; Itthisoponkul, Teerarat; Bueraheng, Niranee; Cheabu, Sulaiman; Malumpong, Chanate

doi:10.1016/j.rsci.2021.07.008

Cited by 5 publications

(5 citation statements)

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“…Furthermore, Ponce et al (2020) reported that the segregation of grain size was controlled by quantitative genetics that combined grain length and grain width. However, the GRAIN SIZE3 (GS3) gene can be used as the major quantitative trait loci (QTL) to identify grain length differences between indica and japonica types (Fan et al, 2006;Saichompoo et al, 2021). In the current study, GS3 could be detected in selected short-grain lines in F 5 .…”

Section: Discussionmentioning

confidence: 84%

“…The tropical japonica rice varieties found in Thailand are distributed in mountainous regions and known as upland rice; however, they have low productivity and low cooking quality (Chimthai et al, 2021). Therefore, the japonica rice used for cultivation under tropical conditions should be improved (Saichompoo et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

“…In addition, Sreewongchai et al (2014) used the PS method with MAS to improve the yield and cooking quality using a cross (KDML105 × Qiqnizhan). Recently, Saichompoo et al (2021) successfully improved the yield and cooking quality of novel short-grain rice for tropical climates using a cross between temperate japonica and indica based on backcross and pedigree methods with MAS.…”

Section: Introductionmentioning

confidence: 99%

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Efficiency of short-grain rice breeding program between pedigree and single seed descent methods for yield, biotic resistance and cooking quality derived from indica × japonica

2023

ANRES

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Importance of the work: Japanese food is popular in tropical countries; however, high-yielding and good-quality temperate japonica rice supplies are limited in tropical climates. Objectives: To compare two breeding methods: pedigree and single seed descent applied for a short-grain rice (japonica-like) breeding program. Materials & Methods: A temperate japonica rice (Koshihikari) and a tropical indica fragrant rice (Pathumthani1) were used as parents. The pedigree and single seed descent methods were used to select breeding lines from F 2 to F 5 . Preliminary yield trials and yield traits of selected breeding lines were investigated in F 5 to F 7 . Results: From the preliminary trial, based on short-grain, plant type and grain yield criteria, two breeding lines (PS171-31-10 from the pedigree method and SSD125-7 from the single seed descent method) were selected in which genetic markers for bacterial leaf blight resistance (Xa21) and blast resistance (Pi-ta) were detected. In the yield trial experiments, the mean grain yields of PS171-31-10 (5.07±3.46 t/ha) and SSD125-7 (4.43±3.00 t/ha) were higher than those of the japonica parent (4.30±1.99 t/ha) but lower than those of the indica parent (5.80±1.17 t/ha). In addition, the highest overall scores of sensory tests were for Ps-171-31-10 (37.58 overall score), the second highest was for SSD-125-7 (35.37 overall score), while Koshihikari had the third highest sensory score. The physical and chemical properties of the milled grain from the two lines were consistent with standard japonica rice. In addition, the badh2 gene was detected in SSD125-7, which is identified as a japonica fragrant rice variety. Main finding: The pedigree and single seed descent methods created new short-grain varieties with comparable performance: adaptability to tropical environments, production of satisfactory grain yields and good cooking quality, similar to that of japonica rice.

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Section: Discussionmentioning

confidence: 84%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Efficiency of short-grain rice breeding program between pedigree and single seed descent methods for yield, biotic resistance and cooking quality derived from indica × japonica

2023

ANRES

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“…Pid3 , sharing the same locus as Pi25 , is on rice chromosome 6 and encodes a 923-amino-acid NBS-LRR domain protein ( Shang et al., 2009 ). These four blast resistance genes have been extensively utilized in breeding for blast resistance, resulting in the development of a range of blast-resistant materials or varieties ( Xiao et al., 2018 , Xiao et al., 2019 ; Saichompoo et al., 2021 ). In this study, we utilized molecular markers to aggregate Pita , Pi5 , Pid2 , and Pid3 resistance genes to breed the GH5501 restorer line.…”

Section: Discussionmentioning

confidence: 99%

Integration of molecular breeding and multi-resistance screening for developing a promising restorer line Guihui5501 with heavy grain, good grain quality, and endurance to biotic and abiotic stresses

Wei,

Yan,

Huang

et al. 2024

Front. Plant Sci.

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Rice, a critical staple on a global scale, faces escalating challenges in yield preservation due to the rising prevalence of abiotic and biotic stressors, exacerbated by frequent climatic fluctuations in recent years. Moreover, the scorching climate prevalent in the rice-growing regions of South China poses obstacles to the cultivation of good-quality, heavy-grain varieties. Addressing this dilemma requires the development of resilient varieties capable of withstanding multiple stress factors. To achieve this objective, our study employed the broad-spectrum blast-resistant line Digu, the brown planthopper (BPH)-resistant line ASD7, and the heavy-grain backbone restorer lines Fuhui838 (FH838) and Shuhui527 (SH527) as parental materials for hybridization and multiple crossings. The incorporation of molecular markers facilitated the rapid pyramiding of six target genes (Pi5, Pita, Pid2, Pid3, Bph2, and Wxb). Through a comprehensive evaluation encompassing blast resistance, BPH resistance, cold tolerance, grain appearance, and quality, alongside agronomic trait selection, a promising restorer line, Guihui5501 (GH5501), was successfully developed. It demonstrated broad-spectrum resistance to blast, exhibiting a resistance frequency of 77.33% against 75 artificially inoculated isolates, moderate resistance to BPH (3.78 grade), strong cold tolerance during the seedling stage (1.80 grade), and characteristics of heavy grains (1,000-grain weight reaching 35.64 g) with good grain quality. The primary rice quality parameters for GH5501, with the exception of alkali spreading value, either met or exceeded the second-grade national standard for premium edible rice varieties, signifying a significant advancement in the production of good-quality heavy-grain varieties in the southern rice-growing regions. Utilizing GH5501, a hybrid combination named Nayou5501, characterized by high yield, good quality, and resistance to multiple stresses, was bred and received approval as a rice variety in Guangxi in 2021. Furthermore, genomic analysis with gene chips revealed that GH5501 possessed an additional 20 exceptional alleles, such as NRT1.1B for efficient nitrogen utilization, SKC1 for salt tolerance, and STV11 for resistance to rice stripe virus. Consequently, the restorer line GH5501 could serve as a valuable resource for the subsequent breeding of high-yielding, good-quality, and stress-tolerant hybrid rice varieties.

show abstract

“…Pid3, sharing the same locus as Pi25, is on rice chromosome 6 and encodes a 923-aminoacid NBS-LRR domain protein (Shang et al, 2009). These four blast resistance genes have been extensively utilized in breeding for blast resistance, resulting in the development of a range of blast-resistant materials or varieties (Xiao et al, 2018, Xiao et al, 2019Saichompoo et al, 2021). In this study, we utilized molecular markers to aggregate Pita, Pi5, Pid2, and Pid3 resistance genes to breed the GH5501 restorer line.…”

Section: Discussionmentioning

confidence: 99%

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Breeding Novel Short Grain Rice for Tropical Region to Combine Important Agronomical Traits, Biotic Stress Resistance and Cooking Quality in Koshihikari Background

Cited by 5 publications

References 25 publications

Efficiency of short-grain rice breeding program between pedigree and single seed descent methods for yield, biotic resistance and cooking quality derived from indica × japonica

Efficiency of short-grain rice breeding program between pedigree and single seed descent methods for yield, biotic resistance and cooking quality derived from indica × japonica

Integration of molecular breeding and multi-resistance screening for developing a promising restorer line Guihui5501 with heavy grain, good grain quality, and endurance to biotic and abiotic stresses

Table_2.xls

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