Nodulation and N2 fixation byInga jinicuil, a woody legume in coffee plantations

Kessel, C. van; Roskoski, Joann P.

doi:10.1007/bf02185099

Cited by 13 publications

(1 citation statement)

References 12 publications

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“…These observations differ from those found in other species belonging to the genus Inga. For example, I. oerstediana and I. jinicuil exhibited nodulation at 150 and 130 days after sowing, respectively (van Kessel and Roskoski, 1983;Grossman et al, 2006). The rapid establishment of symbiosis between plant and bacteria might be due to the rapid growth of I. edulis, which is a desirable characteristic for use in agroforestry systems.…”

Section: Discussionmentioning

confidence: 99%

Symbiotic effectiveness of Bradyrhizobium ingae in promoting growth of Inga edulis Mart. seedlings

Porto

Farias

Chaves

et al. 2017

Rev. Bras. Ciênc. Solo

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Inga edulis Mart. is a leguminous tree adapted to acidic and low-fertility soils that establishes symbioses with nitrogen (N)-fixing bacteria. The identification of effective bacteria in biological N fixation may bolster the use of I. edulis in degraded or modified areas and agroforestry systems. Therefore, the aims of this study were evaluation of the symbiotic effectiveness of eight strains of the Bradyrhizobium genus native to Roraima in Inga edulis plants, and in vitro evaluation of the ability of the eight strains of Bradyrhizobium to develop plant growth-promoting characteristics. Determination of symbiotic effectiveness was carried out via three experiments: the first in a greenhouse in pots with a sterile substrate; the second in a greenhouse in pots containing non-sterile soil; and the third in a nursery in bags with a non-sterile substrate. Twelve treatments were evaluated: inoculation with eight strains of Bradyrhizobium ingae (ERR 490, ERR 492, ERR 493, ERR 494 T , ERR 496, ERR 497, ERR 498, and ERR 569); inoculation with two strains indicated for Inga marginata, BR 6609 and BR 6610 (positive controls); no inoculation but with mineral N; and neither inoculation nor mineral N. All of the experiments were conducted in a completely randomized design with four replicates. The first experiment was conducted for 60 days, and the other experiments were conducted for 100 days. For all of the experiments, the number of nodules, nodule dry matter, root dry matter, shoot dry matter, number of leaflets, plant height, stem diameter, total N in the shoots, root/shoot dry matter ratio, Dickson's quality index, relative effectiveness, and the Pearson correlation between the variables under study were evaluated. The strains were also evaluated by their ability to solubilize calcium and aluminum phosphates and to produce indolic compounds. The results showed that B. ingae strains were effective in biological N fixation, especially the ERR 493, ERR 498, and ERR 569 strains. These strains increased the production of shoot dry matter and total N and exhibited relative effectiveness higher than 100 % in all of the experiments. The B. ingae strains were also able to solubilize calcium and aluminum phosphates, despite their synthesis of indolic compounds. Thus, the strains of B. ingae can be used for inoculation in the production of I. edulis seedlings.

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Section: Discussionmentioning

confidence: 99%

Symbiotic effectiveness of Bradyrhizobium ingae in promoting growth of Inga edulis Mart. seedlings

Porto

Farias

Chaves

et al. 2017

Rev. Bras. Ciênc. Solo

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Stable isotope ratios indicate diet and habitat use in New World monkeys

Schoeninger

Iwaniec

Glander

1997

Am. J. Phys. Anthropol.

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This paper demonstrates the use of stable isotope ratios of carbon and nitrogen in animal tissues for indicating aspects of species behavioral strategy. We analyzed hair from individuals representing four species of New World monkeys (Alouatta palliata, the mantled howler; Ateles geoffroyi, the spider monkey; Cebus capucinus, the capuchin; and Brachyteles arachnoides, the woolly-spider monkey or muriqui) for d 13 C and d 15 N using previously developed methods. There are no significant differences in either carbon or nitrogen ratios between sexes, sampling year, or year of analysis. Seasonal differences in d 13 C reached a low level of significance but do not affect general patterns. Variation within species was similar to that recorded previously within single individuals. The d 13 C data show a bimodal distribution with significant difference between the means. The two monkey populations living in an evergreen forest were similar to each other and different from the other two monkey populations that inhabited dry, deciduous forests. This bimodal distribution is independent of any particular species' diet and reflects the level of leaf cover in the two types of forest. The d 15 N data display three significantly different modes. The omnivorous capuchins were most positive reflecting a trophic level offset. The spider monkeys and the muriquis were similar to one another and significantly more positive than the howlers. This distribution among totally herbivorous species correlates with the ingestion of legumes by the howler monkey population. In combination, these data indicate that museum-curated primate material can be analyzed to yield information on forest cover and diet in populations and species lacking behavioral data. Am.

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Nitrogen fixation by trees in relation to soil nitrogen economy

Dommergues¹

1995

Nitrogen Economy in Tropical Soils

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Nodulation and N2 fixation byInga jinicuil, a woody legume in coffee plantations

Cited by 13 publications

References 12 publications

Symbiotic effectiveness of Bradyrhizobium ingae in promoting growth of Inga edulis Mart. seedlings

Symbiotic effectiveness of Bradyrhizobium ingae in promoting growth of Inga edulis Mart. seedlings

Stable isotope ratios indicate diet and habitat use in New World monkeys

Nitrogen fixation by trees in relation to soil nitrogen economy

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