Soybeans in high latitudes: effects of Bradyrhizobium inoculation in Northwest Germany and southern West Siberia

Kühling, Insa; Hüsing, Bianka; Bome, Nina; Trautz, Dieter

doi:10.1007/s13165-017-0181-y

Cited by 22 publications

(20 citation statements)

References 53 publications

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“…The uninoculated plants had the lowest chlorophyll content in their leaves. The increased content of chlorophyll in Bradyrhizobium japonicum inoculated soybean plants have also been reported by (Kühling et al 2018;Sheteiwy et al 2021).…”

Section: Chlorophyll Contentsupporting

confidence: 54%

Exploring Potential Soybean Bradyrhizobia from High Trehalose-Accumulating Soybean Genotypes for Improved Symbiotic Effectiveness in Soybean

Bharti¹,

Maheshwari²,

Garg³

et al. 2022

SSRN Journal

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Section: Chlorophyll Contentsupporting

confidence: 54%

Exploring Potential Soybean Bradyrhizobia from High Trehalose-Accumulating Soybean Genotypes for Improved Symbiotic Effectiveness in Soybean

Bharti¹,

Maheshwari²,

Garg³

et al. 2022

SSRN Journal

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“…BNF depends on successful nodulation and rhizobial efficiency to fix atmospheric N 2 to ammonia. Previous work to mitigate the effects of low RZT on BNF have focused on identifying cold‐tolerant rhizobia (Kühling, Hüsing, Bome, & Trautz, 2018; Yuan et al, 2020; Zhang, Charles, Driscoll, Prithiviraj, & Smith, 2002; Zimmer et al, 2016). However, the success of rhizobial inoculants can depend on their persistence in the soil and competition with native rhizobia, with local strains better adapted to adverse conditions (Thilakarathna & Raizada, 2017).…”

Section: Introductionmentioning

confidence: 99%

Genotype and cytokinin effects on soybean yield and biological nitrogen fixation across soil temperatures

Kempster

Barat

Bishop

et al. 2020

Annals of Applied Biology

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High nitrogen (N) supply is required for high‐yielding soybean, but low soil temperatures in either early production systems or cool environments delay nodulation and limit biological nitrogen fixation (BNF). Because cytokinins are key signalling hormones in mediating nodule formation and our initial controlled environment experiment indicated that seed cytokinin treatment increased early BNF and total nodule area, it was used in field trials. Cytokinin was applied (seed or foliar) to two commercial soybean genotypes (DM50I17 and DM40R16) in field trials with early (September and early November) and conventional (late November) sowing dates in Argentina. In the field, DMR50I7 achieved consistent yields across sowing dates because increased BNF compensated for limited soil N uptake in early sowing dates, also leading to 25% higher nitrogen use efficiency (NUE). Surprisingly, soil N uptake was more cold‐sensitive than BNF with greater and prolonged N fixation in early sowing, perhaps through delayed nodulation, leading to improved N harvest index. Cytokinin seed treatment increased BNF (26%) in DM40R16 especially in early sowing dates. Although cytokinin improved cold tolerance of BNF, this was not explained by altered nodulation and did not increase yield. Here we show genetic differences in N supply in commercial soybean genotypes and the importance of BNF to maintain yield in early sown soybean.

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“…At stages BBCH 70 and BBCH 75, the significantly highest SPAD index was obtained after using HiStick® Soy (Fig 4). In a study by Kühling et al (2018), it was shown that the SPAD value was significantly higher after the inoculation of soybean seed with symbiotic bacteria, but only at the seed filling stage. At earlier development stages, they did not obtain any differences in the SPAD index.…”

Section: Resultsmentioning

confidence: 99%

Influence of Seed Inoculation with Commercial Bacterial Inoculants (Bradyrhizobium Japonicum) on Growth and Yield of Soybean

Jarecki¹,

Bobrecka-Jamro²

2019

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A field experiment was carried out with three bacterial inoculants: HiStick® Soy, Nitragina, Nitrazon and the control. Number and dry weight of nodules were significantly higher with inoculation of bacterial inoculants compared to the control. In 2017, the most pods per plant were obtained after the use of Nitrazon or HiStick® Soy, while in 2018, after the use of HiStick® Soy or Nitragina. In 2018, the highest 1000 seed weight was obtained after the use of Nitragina. In 2017, the seed yield was the most favourably affected by the inoculants HiStick®Soy (3.31 t ha -1 ) and Nitrazon (3.37 t ha -1 ) and in 2018, by HiStick® Soy (3.92 t ha -1 ) and Nitragina (3.87 t ha -1 ). High Soil Plant Analysis Development (SPAD) and Leaf Area Index (LAI) readings, were observed with HiStick® Soy.

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Soybeans in high latitudes: effects of Bradyrhizobium inoculation in Northwest Germany and southern West Siberia

Cited by 22 publications

References 53 publications

Exploring Potential Soybean Bradyrhizobia from High Trehalose-Accumulating Soybean Genotypes for Improved Symbiotic Effectiveness in Soybean

Exploring Potential Soybean Bradyrhizobia from High Trehalose-Accumulating Soybean Genotypes for Improved Symbiotic Effectiveness in Soybean

Genotype and cytokinin effects on soybean yield and biological nitrogen fixation across soil temperatures

Influence of Seed Inoculation with Commercial Bacterial Inoculants (Bradyrhizobium Japonicum) on Growth and Yield of Soybean

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