Nodulation of beach pea (<i>Lathyrus maritimus</i> [L.] Bigel.) induced by different strains of rhizobia

Gurusamy, C.; Bal, Arya K.; McKenzie, D. B.

doi:10.4141/p98-039

Cited by 11 publications

(6 citation statements)

References 10 publications

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“…To maintain a healthy crop, the seedlings were inoculated 13 days after sowing with rhizobial strain USDA 2411 containing 2950 × 10 5 cells/mL at the rate of 2 mL/seedling (Gurusamy et al 1999) and allowed to grow in a greenhouse at the Atlantic Cool Climate Crop Research Centre, St. John's, Newfoundland. Pods and seeds at each of the growth stages were collected based on their morphological characteristics (Table 2) on April 30, 1998.…”

Section: Grass Peamentioning

confidence: 99%

“…Both physical scarification by shaking in the flask and chemical scarification by treating with concentrated sulphuric acid (Lemmon et al 1943;BarimahAsare and Bal 1994) have been reported to improve seed germination in the same way (Saw 1995). The added advantage of having a symbiotic association with the nitrogenfixing soil bacterium Rhizobium (Gurusamy et al 1999), the winter survival mechanism by accumulating oleosomes (lipid bodies) prior to winter (Gurusamy et al 2000), and the nutritional value of the seeds (Chavan 1998) make it attractive as a crop. Preliminary trials in both greenhouse and field conditions have been promising in terms of growth characteristics (McKenzie et al 1997), suggesting that beach pea may be a good candidate as a cold-climate crop.…”

Section: Introductionmentioning

confidence: 99%

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The pattern of seed development and maturation in beach pea (Lathyrus maritimus)

Chinnasamy¹,

Bal²

2003

Can. J. Bot.

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The developmental patterns of seed, seed coat, and hardseededness were studied in naturally growing crop plants of beach pea (Lathyrus maritimus (L.) Bigel.) at six reproductive growth stages (S1-S6). Grass pea (Lathyrus sativus L.) seeds were used for comparison in some experiments. The accumulation of fresh and dry weight in pod shell and seed of beach pea and pod shell of grass pea followed an almost sigmoidal pattern. However, grass pea seed showed a linear pattern of weight accumulation. During maturation, moisture content of pod shells and seeds decreased because of dehydration. Beach pea seeds were able to germinate precociously at S4. Seeds collected between S1 and S3 failed to germinate because of immaturity, whereas the development of hard seed coats prevented germination in seeds gathered at S5 and S6. An imbibition test revealed that hardseededness completely prevented water absorption of S5 and S6 seeds even after 24 days of soaking. In grass pea, precocious seed germination was observed at S3. However, speed of germination, germination percentage, seedling length and dry weight increased as seeds approached maturity. Lipid and protein accumulation in seeds of both species increased progressively with maturity and showed a positive correlation with seed weight accumulation. In both beach pea and grass pea seeds, S6 was identified as a physiological maturity stage.Résumé : Les auteurs ont étudié les patrons de développement de la graine, des téguments et de l'endurcissement chez la gesse maritime (Lathyrus maritimus (L.) Bigel), une culture poussant naturellement, à six stades de sa reproduction (S1-S6). Les graines de la gesse comestible (Lathryus sativus L.) ont été utilisées pour fin de comparaison dans certaines expériences. L'accumulation du poids frais et du poids sec dans les gousses de la gesse maritime et les gousses de la gesse comestible suivent presque le même patron sigmoïde. Cependant, la graine de la gesse maritime montre un patron linéaire d'accumulation du poids. Au cours de la maturation, la teneur en humidité des gousses et des graines diminue suite à la déshydratation. Les graines de la gesse maritime sont capables de germer de façon précoce au stade S4. Les graines récoltées aux stades S1 à S3 ne peuvent germer parce qu'immatures, alors que l'endurcissement des téguments des graines récoltées aux stades S5 et S6 prévient la germination.. Un test d'imbibition révèle que l'endurcissement empêche complètement l'absorption de l'eau aux stades S5 et S6, même après 24 jours d'immersion. Chez la gesse comestible, on observe une germination précoce des graines au stade S3. Cependant, la vitesse de germination, le pourcentage de germination et la longueur des plantules ainsi que le poids sec augmentent à mesure que la maturité approche. L'accumulation de lipides et de protéines dans les graines des deux espèces augmentent progressivement avec la maturité et montrent une corrélation positive avec l'accumulation de poids par la graine. Chez les graines de la gesse maritime, aussi bien que ch...

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Section: Grass Peamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The pattern of seed development and maturation in beach pea (Lathyrus maritimus)

Chinnasamy¹,

Bal²

2003

Can. J. Bot.

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“…As a halophyte [33], beach pea is resistant to saline conditions. It can also endure low temperature and can spread in arctic and subarctic regions, where it is considered to be a cold-climate crop [9]. It has been used for conservation and restoration of foreshores and dunes in order to prevent seashore line erosion [1].…”

Section: Introductionmentioning

confidence: 99%

“…As a leguminous plant, its aerial parts are rich in protein and can be used as fodder [6,10]. Indeterminate nodules and high nitrogen fixation ability, especially nitrogen fixation in relatively low temperature conditions, have been recorded for this plant [4,7,9]. To date, little information on the diversity of beach pea rhizobia has been available.…”

Section: Introductionmentioning

confidence: 99%

Rhizobium anhuiense as the predominant microsymbionts of Lathyrus maritimus along the Shandong Peninsula seashore line

Wang

Liu

et al. 2016

Systematic and Applied Microbiology

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a b s t r a c tBeach pea [Lathyrus maritimus Bigelow, or Lathyrus japonicus subsp. maritimus (L.) P.W. Ball] is a wild legume distributed on the seashore line, and the rhizobia nodulating with this plant have been reported only rarely. In order to reveal the diversity of beach pea rhizobia on the seashore line of Shandong Peninsula, China, a total of 124 bacterial strains were isolated from the root nodules of beach pea plants collected from five sites. All the isolates were divided into five recA types after screening by recA gene sequence analysis and they consisted of Rhizobium anhuiense covering 122 symbiotic isolates in three recA types, as well as two single isolates Rhizobium sp. and Rhizobium lusitanum representing distinct recA types. The recA genotype III of R. anhuiense (103 isolates) represented by strain YIC11270 was dominant at all five sampling sites. Identical symbiotic genes (nodC and nifH) were detected in the three recA genotypes of R. anhuiense isolates that were closely related to those of the pea and faba rhizobia. This study clarified that R. anhuiense was the main symbiont for beach pea rhizobia on the seashore line of Shandong Peninsula. The low level genetic diversity of beach pea rhizobia revealed by both MLSA and the symbiotic genes might be related to the strong selection pressure produced by the saline-alkaline environment and the host plants.

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“…The vegetative parts of this plant are sometimes used as a fodder for cattle (Bal and Barimah-Asare 1993) and seeds have been used as food or feed by stranded sailors during the scarcity of other foods (Fernald and Kinsey 1958;Erichson-Brown 1979). The added advantage of having a symbiotic association with the nitrogen-fixing soil bacterium Rhizobium (Gurusamy et al 1999), the winter survival strategies of perennial root nodules (Gurusamy et al 2000;Chinnasamy et al 2003) and the nutritional value of seeds (Chavan 1998) make beach pea even more attractive as a crop.…”

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confidence: 99%

Fatty acid and elemental composition of mature seeds of beach pea [Lathyrus maritimus (L.) Bigel.]

Chinnasamy¹,

McKenzie²

2004

Can. J. Plant Sci.

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[65][66][67][68][69]. This study was conducted to determine the fatty acid composition of phospholipids (PL), monoglycerides (MG), diglycerides (DG), free fatty acids (FFA) and triglycerides (TG) of mature beach pea seeds and the elemental composition of mature beach pea seed coats and embryos. In beach pea seeds, PL were dominated by C18:2 and C16:0 and MG contained high quantities of C18:2, C16:0 and C18:1. Diglycerides showed high C18:0, C16:0 and C18:2. Free fatty acids were dominated by C18:2, C16:0, C18:1 and C18:0, and TG were dominated by C18:1, C18:0 and C16:0. Energy dispersive X-ray microanalysis revealed K as the most abundant element in whole seed, seed coat and embryo. However, embryos showed significantly higher relative weight percentage of K than whole seeds and seed coats. Whole seeds and embryos contained higher P, S and Cl relative weight percentages than seed coats. Seed coats contained higher Ca, Na and Mg relative weight percentages than embryos. Aluminium, Si, Mn, Fe, Cu and Zn distribution between seed coat and embryo was uniform.

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Nodulation of beach pea (Lathyrus maritimus [L.] Bigel.) induced by different strains of rhizobia

Cited by 11 publications

References 10 publications

The pattern of seed development and maturation in beach pea (Lathyrus maritimus)

The pattern of seed development and maturation in beach pea (Lathyrus maritimus)

Rhizobium anhuiense as the predominant microsymbionts of Lathyrus maritimus along the Shandong Peninsula seashore line

Fatty acid and elemental composition of mature seeds of beach pea [Lathyrus maritimus (L.) Bigel.]

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