Pretreatment of Clover Seeds with Nod Factors Improves Growth and Nodulation of Trifolium pratense

Maj, Dominika; Wielbo, Jerzy; Marek-Kozaczuk, Monika; Martyniuk, S.; Skorupska, Anna

doi:10.1007/s10886-009-9672-y

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“…Studies of competition between introduced and native R. leguminosarum strains have been performed for nodulation of T. repens and Trifolium pratense in Uruguay (Blanco et al 2010). Interestingly, pre-treatment of red clover seeds with specific Nod factors significantly enhanced clover nodulation by an inoculant strain and the subsequent growth of plants in the soil (Maj et al 2009). …”

Section: Selection Of Rhizobial Inoculants That Nodulate Legumes In Smentioning

confidence: 99%

Legumes in the reclamation of marginal soils, from cultivar and inoculant selection to transgenic approaches

Peña¹,

Pueyo²

2011

Agron. Sustain. Dev.

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Mineral nitrogen deficiency is a frequent characteristic of arid and semi-arid soils. Biological nitrogen fixation by legumes is a sustainable and environmentalfriendly alternative to chemical fertilization. Therefore, legumes have a high potential for the reclamation of marginal soils. Such issue is becoming more urgent due to the ever-rising requirement for food and feed, and the increasing extension of salinized and degraded lands, both as a consequence of global change and irrigation practices. This manuscript reviews current research on physiological and molecular mechanisms involved in the response and tolerance to environmental stresses of the Rhizobiumlegume symbiosis. We report in particular recent advances on the isolation, characterization, and selection of tolerant rhizobial strains and legume varieties, both by traditional methods and through biotechnological approaches. The major points are the following. (1) Understanding mechanisms involved in stress tolerance is advancing fast, thus providing a solid basis for the selection and engineering of rhizobia and legumes with enhanced tolerance to environmental constraints. (2) The considerable efforts to select locally adapted legume varieties and rhizobial inocula that can fix nitrogen under conditions of drought or salinity are generating competitive crop yields in affected soils. (3) Biotechnological approaches are used to obtain improved legumes and rhizobia with enhanced tolerance to abiotic stresses, paying particular attention to the sensitive nitrogen-fixing activity. Those biotechnologies are yielding transgenic crops and inocula with unquestionable potential.In conclusion, the role of legumes in sustainable agriculture, and particularly, their use in the reclamation of marginal lands, certainly has a very promising future.

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Section: Selection Of Rhizobial Inoculants That Nodulate Legumes In Smentioning

confidence: 99%

Legumes in the reclamation of marginal soils, from cultivar and inoculant selection to transgenic approaches

Peña¹,

Pueyo²

2011

Agron. Sustain. Dev.

View full text Add to dashboard Cite

show abstract

Pretreatment of Clover Seeds with Nod Factors Improves Growth and Nodulation of Trifolium pratense

Cited by 1 publication

References 0 publications

Legumes in the reclamation of marginal soils, from cultivar and inoculant selection to transgenic approaches

Legumes in the reclamation of marginal soils, from cultivar and inoculant selection to transgenic approaches

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