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首页> 外文期刊>日本土壤肥料学雑誌 >Nitrate adaptability of Rhizobium sp. (Phaseolus) strains isolated from Tokachi (Hokkaido, Japan) fields revealed in parameters of symbiosis with a common bean cultivar
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Nitrate adaptability of Rhizobium sp. (Phaseolus) strains isolated from Tokachi (Hokkaido, Japan) fields revealed in parameters of symbiosis with a common bean cultivar

机译：Rhizobium sp的硝酸盐适应性。 （phoudololus）从kackachi（北海道，日本）菌株中分离的菌株在共生的参数中揭示了普通豆品种

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摘要

Twelve strains of Rhizobium sp. (Phaseolus) isolated from different soils were inoculated to common bean (Phaseolus vulgaris) cv. Hokkaikintoki cultured on artificial vermiculite with liquid medium of different NO3--N levels. When high (30 ppm N) and low (5 ppm N) levels of NO3--N were supplied, the difference of each parameter was related to that nodule number: both 2.0 times; dry weight per one nodule: 1.8 and 2.7 times; acetylene reduction activity (ARA): 3.8 and 4.8 times; specific ARA: 4.0 and3.3 times, respectively. The differences of plant growth and plant nitrogen concentration were not greater than twofold. The species of four beneficial strains, NOKO-313 had a stable and high nitrogen fixation ability (NFA) regardless of NO3--N concentration, NOKO-311 indicated high NFA though its activity was not inhibited by high NO3-N level, NOKO-312 had a medium NFA and its activity declined quickly during the symbiotic period with common bean, and NOKO-314 formed many nodules under the low NO3--Nlevel. Two strains, NOKO-312 (DDBJ Accession No. AB008310) and NOKO-313 (AB008311), belonged to Rhizobium etli, and the other two, NOKO-311 (AB008309) and NOKO-314 (AB008312) were R. leguminosarum bv. phaseoli. Another beneficial strain, NOKO-301 (AB008308) isolated from an Andosol soil in Fuchu, Japan, belonged to R. etli.
机译：十二株Rhizobium sp。从不同土壤中分离的（调测量）接种到常见的豆（Phopololus vulgaris）cv。 Hokkaikintoki在人造蛭石上培养，液体介质不同的NO3 - N水平。当提供高（30ppm N）和低（5ppm N）的NO 3 - N水平时，每个参数的差异与NODULE数量有关：2.0次;每一个结节干重：1.8和2.7倍;乙炔减少活性（ARA）：3.8和4.8倍;特定ARA：4.0和3.3次。植物生长和植物氮浓度的差异不大于双重。无论NO 3-n浓度如何，Noko-313的四种有益菌株，Noko-313具有稳定且高氮固定能力（NFA），Noko-311表示高NFA，但其活性不会受到高No3-N水平，Noko- 312在常见的豆类共生期间有一个培养基NFA，其活动在共生期间迅速下降，Noko-314在低No3 - NLevel下形成了许多结节。两个菌株，Noko-312（DDBJ登录号AB008310）和Noko-313（AB008311）属于Rhizobium Etli，另外两个Noko-311（AB008309）和Noko-314（AB008312）是R.乳糜圆柱BV。 phopololi。另一个有益的菌株，日本富藻糖醇土壤中分离的Noko-301（AB008308）属于R.Etli。

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