Rhizomatous
            <i>Lotus corniculatus</i>
            L.: III. Introgression of Rhizomes into Autogamous Germplasm

Nualsri, Charassri; Beuselinck, P. R.; Steiner, J. J.

doi:10.2135/cropsci1998.0011183x003800020038x

Cited by 8 publications

(9 citation statements)

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“…Rhizome production for RBFT appears to be induced by shortening daylengths coincident with autumn growing conditions. In greenhouse grown RBFT, Nualsri et al, (1998) reported that rhizomes were most often formed on mature plants when the daylength was less than 13 h d −1…”

Section: Resultsmentioning

confidence: 99%

Summer and Autumn Growth of Rhizomatous Birdsfoot Trefoil

et al. 2001

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A new population of birdsfoot trefoil (Lotus corniculatus L.) with rhizomes (RBFT) has been developed for greater persistence. No study has compared RBFT with a standard, non‐rhizomatous cultivar of birdsfoot trefoil (BFT). Objectives were to: (i) compare RBFT with BFT for differences in shoot and root mass and total nonstructural carbohydrate (TNC) concentration of taproots in both clipped and non‐clipped situations and (ii) describe rhizome production of clipped and non‐clipped RBFT. ‘Norcen’ BFT and RBFT were grown in field plots near Columbia, MO, in 1994 and 1995. The study had four treatments: non‐clipped RBFT, clipped RBFT, non‐clipped BFT, and clipped BFT. Each treatment was replicated four times in a randomized complete block. Plots were sampled biweekly for shoot and root mass and taproot TNC from early‐July until the first killing frost in October. In addition, length, mass, TNC, and number of rhizomes per plant were recorded for RBFT. From mid‐September until the final sampling, the shoot mass for RBFT was about half that of BFT; however, RBFT's shoot mass was less affected by clipping than was BFT's. Taproot TNC was 20 to 40 g kg−1 greater for RBFT than BFT throughout both growing seasons. Nearly all RBFT plants exhibited rhizomes by mid‐October both years. Clipping RBFT plants did not affect rhizome growth. Rhizome TNC concentration increased steadily during autumn, with a final concentration of approximately 220 g kg−1 The failure of clipping to decrease rhizome production, combined with higher levels of below‐ground TNC, may give RBFT the ability to withstand frequent defoliation.

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Section: Resultsmentioning

confidence: 99%

Summer and Autumn Growth of Rhizomatous Birdsfoot Trefoil

et al. 2001

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“…Nualsri et al (1998) used random amplified polymorphic DNA (RAPD) analysis to verify hybrids between AG‐S4 autogamous germplasm of L. corniculatus and five accessions of this species from Morocco that had rhizomes. Simple sequence repeat markers are useful for a variety of applications in plant genetics and breeding due to their multiallelic nature, relative abundance, and good genome coverage (Powell et al, 1996).…”

Section: Discussionmentioning

confidence: 99%

“…This variability in progeny could be related either to segregation or environmental effects on the expression of rhizomes. Beuselinck et al (2005) studied the introgression of rhizomes from Moroccan genotypes of L. corniculatus and determined that both plant age and environmental conditions affected expression of this character (Beuselinck et al, 2005; Nualsri et al, 1998). Furthermore, these authors crossed germplasm with rhizomes provided by the Moroccan genotypes with progenies of L. uliginosus × L. corniculatus to increase the expression of this trait (Beuselinck, 2004).…”

Section: Discussionmentioning

confidence: 99%

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Generation and Characterization of Interspecific Hybrids of Lotus uliginosus × Lotus corniculatus

et al. 2012

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nneîhod is described for obtaining interspecific" hybrids befween commercial lines of Lotus uliginosus Schkuhr and Lotus corniculatus L. Hybridization was possible between these species using embryo rescue. Two strategies were used to confirm 40 F^ hybrids, that is, flow cytometry and microsatellite simple sequence repeats (SSRs). The L. uliginosus and L. corniculatus parents have significanfly differenf genome size (2.5 ± 0.02 and 2.22 ± 0.02 pg, respectively) and the offspring from the cross had intermediate values. Two SSR primers were polymorphic between the genotypes tested, TM1150 and EH380Q69. Maternal effect was detected in L. uliginosus genotypes, as determined by greater frequency of F., hybrids. Recombinant traits were observed in the F., hybrid progeny. Ninety F., hybrids resulting from L. uliginosus x L. corniculatus crosses showed different levels of fertility in the polycross; <3% F., plants produced more than 1000 seeds without embryo rescue while 10% of plants did not flower the first year. The F., hybrid plants grown under greenhouse conditions exhibited shoot phenotypes similar to L. uliginosus (maternal) whereas F^ phenotypes were similar to L. corniculatus (paternal) in field trials. Rhizome presence was observed in 60% of fĥ ybrid plants. The diameters of the root crowns of these plants, however, were similar to that of L. corniculatus.

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“…Hybridization in progeny was verified by random amplified polymorphic DNA (RAPD) banding patterns (Nualsri et al, 1998). DNA was isolated from leaf tissues of each parent and putative hybrid progeny with an extraction buffer containing hexadecyltrimethyl‐ammonium bromide (CTAB) (Doyle and Doyle, 1990).…”

Section: Methodsmentioning

confidence: 99%

Morphological Comparison of Progeny Derived from 4x‐2x and 4x‐4x Hybridizations of Lotus glaber Mill. and L. corniculatus L

Beuselinck

Steiner

Rim³

2003

Crop Science

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ble the chromosome number of 2x diploid Lotus species (2n ϭ 2x ϭ 12 or 14) for germplasm transfer to L.Unreduced gametes (2n gametes) from Lotus glaber Mill. (2n ϭ corniculatus: (i) autotetraploid production by colchi-2x ϭ 12) may aid intercrossing with L. corniculatus L. (2n ϭ 4x ϭ 24) to produce progeny with a greater heterotic advantage than progeny cine-induced chromosome doubling of 2x species, and derived from colchicine-induced {7-acetamido-6,7-dihydro-1,2,3,10-(ii) 2n gametes to create 4x interspecific hybrids between tetramethoxybenzo[a]heptalen-9(5H)-one} tetraploid (4x ) L. glaber. 2x and 4x species. Polyploidization can be achieved by The objective of this research was to compare progeny produced from somatic doubling of the chromosomes (asexual poly-4x with 2x (4x-2x ) and 4x with 4x (4x-4x ) crosses and determine if ploidization) or functional production of 2n gametes by 2n gametes had a heterotic advantage over normal gametes derived aberrations in the meiotic process by sexual polyploidifrom colchicine-induced tetraploids. Vegetative cuttings of the 2nzation (Camadro and Peloquin, 1980). Although both gamete-producing L. glaber genotype 204882-1 (2x 204882-1) were modes can double chromosome number, their relative treated with colchicine and successfully yielded an autotetraploid efficacy becomes evident when genetic variability, in-(2n ϭ 4x ϭ 24) of 204882-1 (4x 204882-1). Three randomly chosen breeding, heterozygosity, and epistasis are considered genotypes from the L. corniculatus germplasm MU-81 were used as maternal parents in crosses to 2x 204882-1 and 4x 204882-1. Progeny (Camadro and Peloquin, 1980; Iwanaga and Peloquin, produced from 4x-2x crosses were intermediate to or larger than their 1982). Almost all polyploid angiosperms arose primarily parents in their leaf and flower morphology. Progeny from 4x-4x through sexual reproduction from 2n gametes rather crosses were intermediate to or smaller than their parents in leaf and than through spontaneous doubling of somatic chromoflower size. Size of leaves and flowers of progeny from 4x-2x crosses somes (Harlan and de Wet, 1975). were similar to or larger than 4x-4x progeny. Morphological compari-Amphidiploid development from the interspecific hysons demonstrated that heterotic expression of progeny from 4x-2xbridization of 2x Lotus species followed by colchicinecrosses was greater than progeny from 4x-4x crosses. The results induced autotetraploidy has been successful (Somaroo indicate that the generation of interspecific L. corniculatus ϫ L.

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Rhizomatous Lotus corniculatus L.: III. Introgression of Rhizomes into Autogamous Germplasm

Cited by 8 publications

References 0 publications

Summer and Autumn Growth of Rhizomatous Birdsfoot Trefoil

Summer and Autumn Growth of Rhizomatous Birdsfoot Trefoil

Generation and Characterization of Interspecific Hybrids of Lotus uliginosus × Lotus corniculatus

Morphological Comparison of Progeny Derived from 4x‐2x and 4x‐4x Hybridizations of Lotus glaber Mill. and L. corniculatus L

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