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RISS 인기검색어
- 검색키워드
- 저자 : Peerasak Srinives (검색결과 22 건)
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Inheritance of Agronomic Traits and Their Interrelationship in Mungbean (Vigna radiata (L.) Wilczek)
Peerasak Srinives,Sukhumaporn Sriphadet,Christopher J. Lambrides 한국작물학회 2007 Journal of crop science and biotechnology Vol.10 No.4
A study was conducted to observe the variation and inheritance of agronomic traits and their interrelationship in mungbean. The objective of the study was to compare agronomic traits and hardseed percentage of 268 recombinant inbred lines (RILs) developed from the cross between wild Vigna subspecies sublobata “ACC 41” with the mungbean cultivar “Berken”. The RIL population and their parents were evaluated under controlled conditions in a glass house at the University of Queensland, Brisbane, Australia. The results showed significant differences among the RILs and among the parents in all traits under study. Berken had a longer flowering date and a higher seed weight per plant, but less total leaf number and pod number per plant than ACC 41. A germination test between papers revealed that ACC 41 was 100% hard-seeded and did not germinate at all, while Berken germinated up to 100%. Their RILs distributed well between 0 to 100% hardseed. Upon scarification, all hardseed germinated within seven days. Narrowsense heritability estimates of total leave number, hardseedness, pod length, and pod width were highly heritable at 89.9, 98.9, 93.7, and 93.2%, respectively. The heritability of seed weight per plant and number of seeds per plant were lower at 63.1 and 58.4%, respectively. Seed weight per plant showed positive transgressive segregation when compared with ACC 41 and a positive correlation with 100 seed weight. While the number of seeds per pod showed a negative transgressive segregation when compared with Berken and a negative correlation with pod length and pod width. The RILs gave a 1:1 segregation ratio in leaflet shape, growth habit, and growth pattern, indicating that these traits were controlled by a single dominant gene. A study was conducted to observe the variation and inheritance of agronomic traits and their interrelationship in mungbean. The objective of the study was to compare agronomic traits and hardseed percentage of 268 recombinant inbred lines (RILs) developed from the cross between wild Vigna subspecies sublobata “ACC 41” with the mungbean cultivar “Berken”. The RIL population and their parents were evaluated under controlled conditions in a glass house at the University of Queensland, Brisbane, Australia. The results showed significant differences among the RILs and among the parents in all traits under study. Berken had a longer flowering date and a higher seed weight per plant, but less total leaf number and pod number per plant than ACC 41. A germination test between papers revealed that ACC 41 was 100% hard-seeded and did not germinate at all, while Berken germinated up to 100%. Their RILs distributed well between 0 to 100% hardseed. Upon scarification, all hardseed germinated within seven days. Narrowsense heritability estimates of total leave number, hardseedness, pod length, and pod width were highly heritable at 89.9, 98.9, 93.7, and 93.2%, respectively. The heritability of seed weight per plant and number of seeds per plant were lower at 63.1 and 58.4%, respectively. Seed weight per plant showed positive transgressive segregation when compared with ACC 41 and a positive correlation with 100 seed weight. While the number of seeds per pod showed a negative transgressive segregation when compared with Berken and a negative correlation with pod length and pod width. The RILs gave a 1:1 segregation ratio in leaflet shape, growth habit, and growth pattern, indicating that these traits were controlled by a single dominant gene.
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Genetics, Agronomic, and Molecular Study of Leaflet Mutants in Mungbean (Vigna radiata (L.) Wilczek)
Peerasak Srinives 한국작물학회 2007 Journal of crop science and biotechnology Vol.10 No.3
Mungbean plants generally have a relatively close canopy, thus a large amount of self-shading can reduce yield due to poor light penetration. Modification of leaflet type can affect leaf canopy and could alter seed yield. Two multiple leaflet mutants were obtained from gamma-ray irradiation and used to study the mode of inheritance related to leaflet types and to evaluate their agronomic features. The cross between large-heptafoliate leaflet with small-pentafoliate leaflet mutants produce all F1 plants with normal trifoliate leaflets. The F2 plants segregated in leaflet size and leaflet number into a 9:3:3:1 ratio of large-trifoliate: large-heptafoliate: small-pentafoliate: small-heptafoliate plants, suggesting that independent loci control leaflet size and leaflet number. Regarding leaflet number, the F2 population can be classified into normal-trifoliate, small-pentafoliate, large-heptafoliate, and small-heptafoliate at the dihybrid ratio of 9:3:3:1. The gene symbols N1,n1 and N2,n2 are proposed to represent leaflet number. Since no plant was found with large-pentafoliate leaflets, we hypothesize that the N2 allele expresses pleiotropic effect on both leaflet number and leaflet size. Another possibility is that an additional locus with S and s alleles controls leaflet size and S is tightly linked with N2. The effect of multifoliate leaflet on yield and yield components was evaluated in four mungbean families each with four leaflet isolines under three environments. Averaging across the families and environments, the normal-trifoliate and large-heptafoliate lines gave higher yield than small pentafoliate and heptafoliate ones. These two large leaflet lines also had higher leaf area per plant than the other multifoliate lines. Therefore, the mungbean lines with a greater leaf area, which were likely to intercept more sunlight, gave greater yield. Three AFLP markers that were found to be linked to number of leaflets per leaf, corresponded to the N1 allele of the smallpentafoliate parent. Mungbean plants generally have a relatively close canopy, thus a large amount of self-shading can reduce yield due to poor light penetration. Modification of leaflet type can affect leaf canopy and could alter seed yield. Two multiple leaflet mutants were obtained from gamma-ray irradiation and used to study the mode of inheritance related to leaflet types and to evaluate their agronomic features. The cross between large-heptafoliate leaflet with small-pentafoliate leaflet mutants produce all F1 plants with normal trifoliate leaflets. The F2 plants segregated in leaflet size and leaflet number into a 9:3:3:1 ratio of large-trifoliate: large-heptafoliate: small-pentafoliate: small-heptafoliate plants, suggesting that independent loci control leaflet size and leaflet number. Regarding leaflet number, the F2 population can be classified into normal-trifoliate, small-pentafoliate, large-heptafoliate, and small-heptafoliate at the dihybrid ratio of 9:3:3:1. The gene symbols N1,n1 and N2,n2 are proposed to represent leaflet number. Since no plant was found with large-pentafoliate leaflets, we hypothesize that the N2 allele expresses pleiotropic effect on both leaflet number and leaflet size. Another possibility is that an additional locus with S and s alleles controls leaflet size and S is tightly linked with N2. The effect of multifoliate leaflet on yield and yield components was evaluated in four mungbean families each with four leaflet isolines under three environments. Averaging across the families and environments, the normal-trifoliate and large-heptafoliate lines gave higher yield than small pentafoliate and heptafoliate ones. These two large leaflet lines also had higher leaf area per plant than the other multifoliate lines. Therefore, the mungbean lines with a greater leaf area, which were likely to intercept more sunlight, gave greater yield. Three AFLP markers that were found to be linked to number of leaflets per leaf, corresponded to the N1 allele of the smallpentafoliate parent.
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Tanapon Chaisan,Peerasak Srinives,Prakit Somta,Sontichai Chanprame,Rangsarid Kaveeta,Surapong Dumrongkittikule 한국작물학회 2013 Journal of crop science and biotechnology Vol.16 No.1
Mungbean (Vigna radiata) and rice bean (V. umbellata) (both species 2n = 2x = 22) have desirable traits that complement each other. In this study, we rescued embryos from a cross between mungbean cv. “Kamphaeng Saen 2” and rice bean cv. “Miyazaki” and resolved the hybrid sterility problem by colchicine treatment. The interspecific hybrids were obtained when Kamphaeng Saen 2 was used as the female parent. Four out of 80 immature seeds at 12 days old were able to germinate on an MS medium supplemented with 1 mg L-1 IAA, 0.2 mg L-1 kinetin, and 500 mg L-1 casein hydrolysate. Forty random amplified polymorphic DNA (RAPD)primers were screened for polymorphism among the parents, and two specific primers were finally chosen for testing of hybridity. Using the two primers, all putative F1 hybrids were confirmed as the interspecific hybrids. To observe their fertility, some of the hybrid seedlings were transplanted. The hybrid produced flowers profusely but failed to set pods. To overcome the sterility, plants were induced to become tetraploid by colchicine treatment in vitro. The ploidy level of the regenerated seedlings was confirmed from leaf DNA using a flow cytometer. Three out of 20 hybrid seedlings (15%) were successfully induced from diploid to tetraploid by a colchicine concentration of 2 g L-1. The tetraploid hybrids were able to produce flowers and set pods normally.
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Waraluk Kasettranan,Peerasak Srinives,Prakit Somta 한국작물학회 2010 Journal of crop science and biotechnology Vol.13 No.3
Powdery mildew disease in mungbean is caused by the fungus, Erysiphe polygoni D.C. We identified two quantitative trait loci (QTLs) controlling resistance to the disease in a RIL population of 190 F7 lines. The population was developed from the cross between a susceptible cultivar, “Kamphaeng Saen 1” and a resistant line, “VC6468-11-1A”. Reaction to the disease was evaluated for resistance in field and greenhouse conditions. Results from analysis of variance revealed that 15 SSR loci on three linkage groups (LG) associated with the resistance. Composite interval mapping consistently identified two QTLs on two LGs, qPMR-1 and qPMR-2, conferring the resistance. qPMR-1 and qPMR-2 accounted for 20.10 and 57.81% of the total variation for plant response to the disease,respectively. Comparison based on common markers used in our and previous studies suggested that qPMR-2 is possibly the same as the major QTL reported earlier using another resistant source. The SSR markers flanking and closely linked to qPMR-1(CEDG282 and CEDG191) and qPMR-2 (MB-SSR238 and CEDG166) are useful for marker-assisted selection for mungbean resistance to powdery mildew.
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Inheritance of qualitative traits and heterosis in bambara groundnut (Vigna subterranea (L.) Verdc.)
Jira Suwanprasert,Peerasak Srinives,Theerayut Toojinda,Sontichai Chanprame 한국유전학회 2007 Genes & Genomics Vol.29 No.3
Genetic inheritance studies and varietal improvement programs in bambara groundnut have not been initiated in the past due to failure in hybridization. We successfully produced 23 F1 seeds from four crosses among the morphologically distinct lines, "TVsu 11," "TVsu 870," "TVsu 1061," and a Thai local variety "Thung Yang Daeng." The phenotypes of the F1 showed that the reddish-purple pod and red seed coat were dominant over the white pod and cream seed coat. The F2 from the cross between a reddish-purple pod line and a white pod line, and between a red seed coat line with a cream seed coat line segregated in a 3:1 ratio. This simple Mendelian inheritance was confirmed by the segregation ratio in the F3 generation. In terms of petiole color, reddish-purple was dominant over green. However, the segregation in the F2 generation revealed that this trait was controlled by more than one gene locus. For leaflet shape, incomplete dominance was found in the F2 population of the cross between "Thung Yang Daeng," with a long narrow leaflet, and "TVsu 870," with a lanceolate leaflet, giving a 1:2:1 segregation ratio among long narrow:moderately long:lanceolate leaflets. Significant hybrid vigor of the F1, as determined from heterosis and heterobeltiosis, was found in petiole length, fresh pericarp thickness, and seed size.
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Ornuma Rungnoi,Peerasak Srinives,Sonthichai Chanprem,Theerayut Toojinda,Ian Godwin,Chris Lambrides 한국작물학회 2010 Journal of crop science and biotechnology Vol.13 No.4
Chlorophyll-deficiency mutants are useful as genetic markers and as materials for studying the photosynthesis process. We characterized the inheritance of the gene controlling an opaque leaf (OL) trait in mungbean (Vigna radiata (L.) Wilczek). An F2 population was developed from the cross between the OL mutant and 'Berken', an Australian mungbean cultivar, to study inheritance and molecular tagging. The population was advanced by selfing to produce F5 lines from which two normal lines and two OL lines were randomly chosen to study chlorophyll content, seed growth and development, and seed cell morphology. The chlorophyll content in opaque leaf was lower than normal and thus was expected to have lower photosynthetic activity. This resulted in yellowish and shrinking pods and seeds within 15 days after flowering, while those from normal plants extended their growth up to 18 days. The cotyledon transfer cells of the OL plants deformed at 12 days and deteriorated at 14 days after flowering. The OL trait was controlled by a single recessive ol gene which was independent from the genes controlling petiole color and growth habit. We used 193 AFLP primer combinations to tag this gene and found that the marker AGG/ATA was linked with the ol gene at a distance of 3.4 cM.
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Kasettranan, Waraluk,Somta, Prakit,Srinives, Peerasak 한국작물학회 2010 Journal of crop science and biotechnology Vol.13 No.3
Powdery mildew disease in mungbean is caused by the fungus, Erysiphe polygoni D.C. We identified two quantitative trait loci (QTLs) controlling resistance to the disease in a RIL population of 190 $F_7$ lines. The population was developed from the cross between a susceptible cultivar, "Kamphaeng Saen 1" and a resistant line, "VC6468-11-1A". Reaction to the disease was evaluated for resistance in field and greenhouse conditions. Results from analysis of variance revealed that 15 SSR loci on three linkage groups (LG) associated with the resistance. Composite interval mapping consistently identified two QTLs on two LGs, qPMR-1 and qPMR-2, conferring the resistance. qPMR-1 and qPMR-2 accounted for 20.10 and 57.81% of the total variation for plant response to the disease, respectively. Comparison based on common markers used in our and previous studies suggested that qPMR-2 is possibly the same as the major QTL reported earlier using another resistant source. The SSR markers flanking and closely linked to qPMR-1 CEDG282 and CEDGI91) and qPMR-2 (MB-SSR238 and CEDGl66) are useful for marker-assisted selection for mungbean resistance to powdery mildew.
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Genetics of the Resistance to Powdery Mildew Disease in Mungbean (Vigna radiata (L.) Wilczek)
Waraluk Kasettranan,Prakit Somta,Peerasak Srinives 한국작물학회 2009 Journal of crop science and biotechnology Vol.12 No.1
Powdery mildew disease caused by the fungus Erysiphe polygoni D.C. is an important disease of mungbean. Loss can be more serious if the disease attacks at seedling stage. In this paper, we report genetics of the resistance to powdery mildew disease in mungbean using a recombinant inbred line (RIL) population derived from a cross between the susceptible parent “KPS1” and the resistant parent “VC6468-11-1A”. Five hundred and ninety-two RILs were developed by random descending from 200 F2 plants. The population was evaluated against the fungus in field and greenhouse conditions. The data were analyzed following a nested design for selfpollinating plants to determine genetic heritability of powdery mildew resistance. The severity of the infestation was measured by using disease index (DI) and area under disease progress curve (AUDPC). Both values showed continuous distribution in the RILs. Under field conditions, the narrow-sense heritability of DI and AUDPC were 0.67 and 0.48, respectively. While under greenhouse conditions, the values were 0.68 and 0.62, respectively. The results suggested that the resistance is quantitatively inherited with high heritability and predominantly additive gene action. To develop powdery mildew-resistant mungbean varieties, the plant breeder can select for resistant lines by using standard selection procedures for self-pollinating crops, viz. pedigree selection, bulk selection, early generation testing, and single-seed descent. Powdery mildew disease caused by the fungus Erysiphe polygoni D.C. is an important disease of mungbean. Loss can be more serious if the disease attacks at seedling stage. In this paper, we report genetics of the resistance to powdery mildew disease in mungbean using a recombinant inbred line (RIL) population derived from a cross between the susceptible parent “KPS1” and the resistant parent “VC6468-11-1A”. Five hundred and ninety-two RILs were developed by random descending from 200 F2 plants. The population was evaluated against the fungus in field and greenhouse conditions. The data were analyzed following a nested design for selfpollinating plants to determine genetic heritability of powdery mildew resistance. The severity of the infestation was measured by using disease index (DI) and area under disease progress curve (AUDPC). Both values showed continuous distribution in the RILs. Under field conditions, the narrow-sense heritability of DI and AUDPC were 0.67 and 0.48, respectively. While under greenhouse conditions, the values were 0.68 and 0.62, respectively. The results suggested that the resistance is quantitatively inherited with high heritability and predominantly additive gene action. To develop powdery mildew-resistant mungbean varieties, the plant breeder can select for resistant lines by using standard selection procedures for self-pollinating crops, viz. pedigree selection, bulk selection, early generation testing, and single-seed descent.
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