Sowing Dates and Seeding Rates Affect Soybean Grain Composition

Umburanas, Renan Caldas; Yokoyama, Anderson Hideo; Balena, Leonardo; Lenhani, Gabriela Caroline; Teixeira, Ângela Moraes; Krüger, Roberta Letícia; Reichardt, Klaus; Kawakami, Jackson

doi:10.1007/s42106-018-0018-y

Cited by 14 publications

(8 citation statements)

References 22 publications

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“…The 100-seed weight within or above recommended SR usually shows no variation (Spader and Deschamps, 2015;Umburanas et al 2018) as it tends to reach a genetically determined plateau, corroborating our results (Table 3). It was reported that 100-seed weight can reduce in very low SR (Ferreira et al 2020), probably due to an imbalance on source-sink photoassimilate partition relationship, as in lower SR plants tend to have higher number of pods and seeds per plant.…”

Section: Discussionsupporting

confidence: 89%

Seeding rates in late sowing affect soybean yield in Southern Brazil

Yokoyama

Balena

Umburanas

et al. 2020

RSD

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Soybean seeding rate (SR) is commonly subject to genotype x environment interactions, and characterization of this interaction is necessary to improve yield potential of future cultivars, especially in late sowing. The objectives of this study were to evaluate yield and yield components of three soybean cultivars in different SR under late sowing in Southern Brazil. We observed an interaction between SR and cultivars under late sowing, in which the increase from 25 to 45 seeds m-2 increased yield by 12% and 23% for cultivars BMX Energia and TMG 7262, respectively, while for cultivar AFS 110 there was no SR effect. The cultivars used in this study can be classified from more to less responsive to SR in late sowing as follows: TMG 7262 > BMX Energia > AFS 110. Also, the cultivars used in this study can be classified from higher to lower yield potential in late sowing as follows: TMG 7262 > AFS 110 > BMX Energia. The yield components most correlated to yield were as follows: seeds per area, plant height, 100-seed weight and nodes in main stem, mainly. The increase in SR increased seeds per area and pods per area, while decreased seeds per pod, stem diameter and node number in branches. The identified plant attributes related to yield increase will contribute for developing future cultivars with greater yield potential under late sowing.

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Section: Discussionsupporting

confidence: 89%

Seeding rates in late sowing affect soybean yield in Southern Brazil

Yokoyama

Balena

Umburanas

et al. 2020

RSD

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“…Umburanas et al. (2018) also observed 1.5% reduction in seed protein concentration when the plant density reduced from 450 to 150 thousand ha −1 . Similarly, Bellaloui et al.…”

Section: Resultsmentioning

confidence: 90%

Minimum optimal seeding rate for indeterminate soybean cultivars grown in the tropics

et al. 2020

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The minimum optimal seeding rate in soybean [Glycine max (L.) Merr.] is the least seeds required to achieve optimal yield. This is a function of the crop phenotypic plasticity in response to plant density. However, the effect of seeding rate reduction on the seed composition and yield of cultivars with contrasting branching potentials needs to be better elucidated. The objectives were to evaluate the impacts of reducing the seeding rate on production and to quantify the minimum optimal seeding rate for seed, oil, and protein yield in soybean cultivars with contrasting plant architectures. The field experiment was conducted for two growing seasons in a 5 × 2 factorial scheme in a randomized complete block design with five replications. The treatments consisted of five seeding rates (100, 80, 60, 40, and 20% of the recommended seeding rate) and two indeterminate cultivars (BRS 1010IPRO and NS 5959IPRO). Both cultivars showed a minimum optimal seeding rate below the recommended rate. Pods per m 2 and the number of seeds per pod were the yield components responsible for the compensatory effect in response to lowering the seeding rate. Thousand seed weight was the main yield component responsible for yield loss below the minimum optimal seeding rate. Both cultivars showed high branch yield in response to seeding rate reduction. BRS 1010IPRO has a higher potential for seeding rate reduction than NS 5959IPRO. The minimum optimal seeding rate for seed yield in NS 5959IPRO led to lower protein yield and higher oil yield.Abbreviations: GS, growing season; MOSR, minimum optimal seeding rate; SR, seeding rate.This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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“…NC GRAIN and NC PW , but not NC SL , were higher in winter faba beans than in the spring faba bean. Seeding rate did not affect NC in plant, although a higher protein concentration was observed at a higher seeding rate for soybean [16,21].…”

Section: Discussionmentioning

confidence: 75%

“…N FIX can be increased by agronomic management, for example, by attaining higher yields through optimizing sowing dates and plant density [15]. For soybean, late sowing was reported to reduce the protein yield [16]. In Syria, chickpea had a considerably higher proportion of N derived from N FIX with autumn-sowing compared to spring-sowing [17].…”

Section: Introductionmentioning

confidence: 99%

Effect of Two Seeding Rates on Nitrogen Yield and Nitrogen Fixation of Winter and Spring Faba Bean

Neugschwandtner

Bernhuber

Kammlander

et al. 2023

Plants

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Faba bean (Vicia faba L. minor) is an important grain legume and is widely used as food and feed. It is traditionally used as a spring crop in Central European cropping systems. There is increasing interest in winter faba bean due to a higher yield potential, but limited knowledge of nitrogen (N) yields and nitrogen fixation (NFIX) exists. Therefore, the purpose of this study was to compare N concentrations, N yield of plant fractions, soil mineral N (SMN) and SMN sparing in the soil after harvest, NFIX and N balance of two winter faba bean varieties (Diva and Hiverna) to those of a spring faba bean (Alexia) using two seeding rates (25 versus 50 germinable seeds m−2) in a two-year field experiment under Pannonian climate conditions in eastern Austria. The winter faba bean varieties had higher N yields and NFIX, not only due to higher biomass yields, but also due to higher N concentrations and a higher percentage of N derived from atmosphere in the biomass. Conversely, the soil mineral N after harvest was lower compared to the spring faba bean. All treatments had a negative N balance due to higher grain N yield than NFIX. Winter faba beans left higher amounts of biologically-fixed N in residues for the subsequent crop, whereas spring faba bean left more SMN. Winter faba bean varieties obtained good results with both seeding rates, whereas the grain yield and the grain N yield of Alexia tended to higher with the higher seeding rate.

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Sowing Dates and Seeding Rates Affect Soybean Grain Composition

Cited by 14 publications

References 22 publications

Seeding rates in late sowing affect soybean yield in Southern Brazil

Seeding rates in late sowing affect soybean yield in Southern Brazil

Minimum optimal seeding rate for indeterminate soybean cultivars grown in the tropics

Effect of Two Seeding Rates on Nitrogen Yield and Nitrogen Fixation of Winter and Spring Faba Bean

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