Nitrogen-fixing potential of Acacia mangium and Acacia auriculiformis seedlings inoculated with Bradyrhizobium and Rhizobium spp.

Galiana, Antoine; Chaumont, Jeannine; Diem, Hoang Gia; Dommergues, Yvon

doi:10.1007/bf00336237

Cited by 64 publications

(41 citation statements)

References 5 publications

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“…The strain of Bradyrhizobium Aust 13 c from Australia [11] was used for the inoculation of A. mangium. The seedlings of L. leucocephala were inoculated with LdK4 Rhizobium strain from Kenya [16,19].…”

Section: Bacterial Materialsmentioning

confidence: 99%

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Optimisation of inoculation of Leucaena leucocephala and Acacia mangium with rhizobium under greenhouse conditions

Diouf

Forestier²,

Neyra

et al. 2003

Ann. For. Sci.

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-Our work concerned the optimization of inoculation of two agroforestry species of woody leguminous plants: Leucaena leucocephala and Acacia mangium with various strains of rhizobium. First, we showed that the physiological stage of the bacterial culture had no effect on nodulation and growth of the seedlings of Acacia mangium inoculated and cultivated in vitro for four months. For Leucaena leucocephala, the number of nodules was significantly higher when the seedlings were inoculated with a bacterial culture in stationary phase. On the other hand, whatever the species, no significant difference was noted with regards to the dry weight of the shoots. The effect of the size of inoculum on the nodulation and growth of the seedlings was studied in L. leucocephala after five months in a greenhouse. Our result show that an inoculation with bacterial cultures containing 10 9 to 10 10 bacteria per milliliter are the optimal conditions to have a maximum nodulation and growth of the seedlings. The two legume plant species showed significant differences with regard to the effect of the method of inoculation on nodulation and growth of the seedlings. For Acacia mangium, inoculation with a liquid culture one week after sowing was more favourable for the growth of the seedlings. On the other hand, for Leucaena leucocephala, this method of inoculation and the coating of seeds with a bacterial culture mixed with arabic gum improved significantly the growth of the seedlings. Results obtained in our study can be useful for the partners from developing countries involved in the large scale production of tree seedlings.Acacia mangium / Leucaena leucocephala / rhizobium / size of inoculum / symbiosis Résumé -Optimisation de l'inoculation de Leucaena leucocephala et de Acacia mangium avec rhizobium en conditions de serre. Nos travaux ont porté sur l'optimisation de l'inoculation de 2 espèces agroforestières de légumineuses ligneuses : Leucaena leucocephala et Acacia mangium avec différentes souches de rhizobium. Tout d'abord, nous avons montré que le stade physiologique de la culture bactérienne n'a aucune influence sur la nodulation et la croissance des plants d'Acacia mangium inoculés et cultivés in vitro pendant 4 mois. Pour Leucaena leucocephala, le nombre de nodules est significativement supérieur pour les plants inoculés avec une culture bactérienne en phase plateau. En revanche, quelle que soit l'espèce, aucune différence significative n'est notée en ce qui concerne le poids sec des parties aériennes. L'effet de la taille de l'inoculum sur la nodulation et la croissance des plants de L. leucocephala a été étudié après 5 mois de culture en serre. Nos résultats ont montré qu'une inoculation avec des cutures bactériennes contenant 10 10 à 10 9 bactéries par millilitre sont les conditions optimales pour avoir une nodulation et une croissance maximale des plants. Les 2 espèces de légumineuses montrent des différences significatives en ce qui concerne l'effet de la méthode d'inoculation sur la nodulation et la croissance d...

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Section: Bacterial Materialsmentioning

confidence: 99%

“…Among these species, Acacia mangium and Leucaena leucocephala have shown great ability to grow quickly in marginal lands [6,11,27]. However, in order to ensure optimal exploitation of their economic and agricultural potential, it is necessary to go for inoculation 380 D. Diouf et al using effective symbionts [9].…”

Section: Introductionmentioning

confidence: 99%

Optimisation of inoculation of Leucaena leucocephala and Acacia mangium with rhizobium under greenhouse conditions

Diouf

Forestier²,

Neyra

et al. 2003

Ann. For. Sci.

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“…Acacia mangium is a fast growing species (Butcher et al, 2000;Galiana et al, 1990;Voigtlaender et al, 2012) with annual wood production by 17-20 m 3 ha -1 year -1 during a period of 10-12 years (Galiana et al, 1990). This species is from Fabaceae family, fix nitrogen in the soil, generally used in agroforestry with higher beneficial components to the plants for its nitrogen fixation (Jeyanny et al, 2010).…”

Section: Study Areamentioning

confidence: 99%

Investigation of Root Distribution and Tensile Strength of Acacia mangium Willd (Fabaceae) in the Rainforest

Lateh¹,

Avani²,

Ghassem³

2014

GJBS

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The purpose of this study is to complement the existing body of knowledge on the root system of tropical plants and their contribution to slope stability. For this reason, four trees of Acacia mangium selected as randomly in rainforest along East-West Highway, Malaysia. Root area ratio (RAR) and tensile strength (Tr) data were collected and analyzed. RAR data were measured with the whole root system and Tr were measured by individual roots. The results showed that there is a power law equation between root diameter and Tr, with an average of 44.11 Mpa (in average root diameter of 0.9mm). There was a wide variation in the RAR in relation to soil depth. Generally, RAR reduced with the increasing soil depth. Similarly, additional cohesion by plant roots conducted by Tr and RAR. In conclusion, in order to assess soil reinforcement by vegetation roots, root distribution and tensile strength data with soil depth in different vegetation and sites is necessary.

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“…After 8 weeks, the roots were inoculated with 0.5 mL per plant of a 4-day-old culture of Bradyrhizobium sp. strain AUST13C [3,4]. The plants were then grown in the aeroponic troughs for another 5 weeks before field planting.…”

Section: Seed Germination and The Aeroponic Systemmentioning

confidence: 99%

Survival and growth of Acacia mangium Willd. bare-root seedlings after storage and transfer from aeroponic culture to the field

et al. 2005

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-Aeroponic culture has been shown to be a promising nursery technique to raise A. mangium and to improve growth rates as well as the level of controlled infection with rhizobia and mycorrhizal fungi. This work was designed to determine whether aeroponically grown bareroot seedlings can be stored out of aeroponic troughs, and/or planted to the field without acclimatization in Polybags. After field planting, no significant differences in terms of survival and growth rates were expressed between bare-root seedlings that had been stored in plastic bags for six days or directly transferred to the field, or acclimatized in Polybags. Storage in dark conditions for more than four days significantly affected the survival rates of the seedlings. Aeroponic culture appears to be the method of choice to obtain high quality seedlings, which are much easier to plant and transport compared to those obtained under classical nursery techniques using soil or solid substrate.Acacia / aeroponic culture / bare-root / nursery / field planting Résumé -Survie et croissance de plants en racines nues d'Acacia mangium Willd. après stockage et transfert de culture aéroponique au champ. La culture aéroponique est une technique de pépinière prometteuse pour la production de plants d'Acacia mangium notamment pour l'amélioration de la croissance des plants ainsi que pour le contrôle des infections par les rhizobia et les champignons mycorhiziens. Afin de déterminer si les plants produits en culture aéroponique peuvent être stockés et/ou plantés directement sans période d'acclimatation en Polybags, un dispositif expérimental a été mis en place. Après plantation au champ, aucune différence significative n'a pu être constatée en termes de survie et de croissance des plants stockés dans des sachets plastiques pendant 6 jours ou transférés au champ directement ou après une période d'acclimatation en Polybags. Le stockage à l'obscurité pendant plus de 4 jours réduit significativement la survie des plants. La culture aéroponique semble être une méthode de choix pour la production de plants de qualité facile à transporter et à planter par rapport aux techniques classiques de pépinières utilisant un substrat solide ou du sol.Acacia / culture aéroponique / racines nues / pépinière / plantation au champ

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Nitrogen-fixing potential of Acacia mangium and Acacia auriculiformis seedlings inoculated with Bradyrhizobium and Rhizobium spp.

Cited by 64 publications

References 5 publications

Optimisation of inoculation of Leucaena leucocephala and Acacia mangium with rhizobium under greenhouse conditions

Optimisation of inoculation of Leucaena leucocephala and Acacia mangium with rhizobium under greenhouse conditions

Investigation of Root Distribution and Tensile Strength of Acacia mangium Willd (Fabaceae) in the Rainforest

Survival and growth of Acacia mangium Willd. bare-root seedlings after storage and transfer from aeroponic culture to the field

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