Plant development and yield components under a tropical environment in soybean cultivars with temperate and tropical origins

Saryoko, Andy; Homma, Koki; Lubis, Iskandar; Shiraiwa, Tatsuhiko

doi:10.1080/1343943x.2017.1356203

Cited by 17 publications

(10 citation statements)

References 32 publications

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“…One way to replicate the drought treatment would be to screen for drought resistance using only years with similar environmental characteristics, but this is not practical and perhaps not even possible. Another approach can be to choose areas associated with stable environment across years ( Saryoko et al, 2017 ). An alternative approach, as discussed by Tardieu (2012) , is the combination of different methods including phenotyping and modeling: phenotyping in controlled conditions to identify parameters of models, simulation of trait values in a large range of climatic scenarios by using a model with genotype-specific parameters and, finally, testing these models in a limited number of field experiments.…”

Section: Discussionmentioning

confidence: 99%

Response of a Diverse European Soybean Collection to “Short Duration” and “Long Duration” Drought Stress

Saleem

Aper²,

Muylle³

et al. 2022

Front. Plant Sci.

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Drought causes significant damage to a high value crop of soybean. Europe has an increasing demand for soybean and its own production is insufficient. Selection and breeding of cultivars adapted to European growth conditions is therefore urgently needed. These new cultivars must have a shorter growing cycle (specifically for adaptation to North-West Europe), high yield potential under European growing conditions, and sufficient drought resistance. We have evaluated the performance of a diverse collection of 359 soybean accessions under drought stress using rain-out shelters for 2 years. The contrasting weather conditions between years and correspondingly the varying plant responses demonstrated that the consequences of drought for an individual accession can vary strongly depending on the characteristics (e.g., duration and intensity) of the drought period. Short duration drought stress, for a period of four to 7 weeks, caused an average reduction of 11% in maximum canopy height (CH), a reduction of 17% in seed number per plant (SN) and a reduction of 16% in seed weight per plant (SW). Long duration drought stress caused an average reduction of 29% in CH, a reduction of 38% in SN and a reduction of 43% in SW. Drought accelerated plant development and caused an earlier cessation of flowering and pod formation. This seemed to help some accessions to better protect the seed yield, under short duration drought stress. Drought resistance for yield-related traits was associated with the maintenance of growth under long duration drought stress. The collection displayed a broad range of variation for canopy wilting and leaf senescence but a very narrow range of variation for crop water stress index (CWSI; derived from canopy temperature data). To the best of our knowledge this is the first study reporting a detailed investigation of the response to drought within a diverse soybean collection relevant for breeding in Europe.

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Section: Discussionmentioning

confidence: 99%

Response of a Diverse European Soybean Collection to “Short Duration” and “Long Duration” Drought Stress

Saleem

Aper²,

Muylle³

et al. 2022

Front. Plant Sci.

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“…The highest GY values corresponded to the highest canopy coverage values in V9‐R1 in the first environment, whereas the same was not observed in Mauá da Serra. The smaller canopy coverage growth rate recorded for Mauá da Serra may be due to the lower air temperature (Saryoko et al., 2017; Wang et al., 2020).…”

Section: Resultsmentioning

confidence: 99%

Association between unmanned aerial vehicle high‐throughput canopy phenotyping and soybean yield

Casagrande

Sant’Ana²,

Meda³

et al. 2022

Agronomy Journal

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Identifying agronomic traits correlated to grain yield can be very useful for soybean [Glycine max (L.) Merr.] breeding, especially if these traits can be measured through unmanned aerial vehicle high-throughput phenotyping rather than through manual measurements. The objective of the present study was to assess the association between canopy coverage and soybean grain yield through different statistical methodologies. A panel with 97 soybean genotypes was evaluated in two field experiments conducted in Paraná State, Brazil. Canopy coverage was determined by using an RGB camera coupled to a drone. Images taken during flights at phenological stages V3-V4, V5-V6, V7-V8, and V9-R1 were used to calculate canopy coverage based on the green pixel ratio in each experimental unit. There were significant genotype × environment interactions in all evaluated traits. Selective accuracy values (0.73-0.96) revealed indirect yield selection efficiency based on canopy coverage. High genetic correlation estimates (0.76) were observed between grain yield and canopy coverage at flowering in one of the assessed environments. These results were confirmed through genetic correlation coefficient decomposition in direct and indirect effects and of gain estimates presenting indirect selection. Thus, canopy coverage data remotely collected using drones to soybean indirect selection for grain yield can be a promising strategy to accelerate genetic gains in soybean breeding programs.

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“…The initiation of the soybean flowering is affected by the day length because soybean is a short day plant. Soybean genotypes derived from long day region (14-16 hours) such as those from temperate and sub-tropical regions enter the flower initiation faster if grown in the tropics region (12 hours) (Adie & Krisnawati, 2007;Saryoko, Homma, Lubis, & Shiraiwa, 2017;Tacarindua, Shiraiwa, Homma, Kumagai, & Sameshima, 2013).…”

Section: Resultsmentioning

confidence: 99%

Response of Temperate, Subtropical and Tropical Soybean Genotypes to Type-B Overflow Tidal Swamp of Indonesia

et al. 2018

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Twenty-nine soybean genotypes were evaluated on the tidal swamp to obtain information of diversity response of soybean to the environment and to obtain adaptive genotypes that can be used to develop soybean genotypes for the land. This study was conducted from July to October 2014 in a type-B overflow tidal swamp at 2°38'40.8"S 104°45'10.0"E, Indonesia. The experiment was arranged in a randomized complete block design with 3 replications. Diverse genetic backgrounds, countries and climatic regions of the 29 soybean genotypes were responsible for the difference responses among the genotypes to the environment. All temperate and sub-tropical genotypes were able to produce seeds in the tropical type-B overflow tidal swamp. Adaptability based on seed yield resulted in 2 highly adaptive, 16 adaptive, 5 moderately adaptive and 6 non-adaptive genotypes. Adaptive and highly adaptive genotypes produced 1.56-2.58 t ha -1 of seeds. Karasumame (Naihou), a subtropical genotype, produced the highest seed yield which was 65% higher than Indonesian average soybean productivity and 225% higher than soybean productivity with non-saturated soil culture technology on the tidal swamp. This study concluded that the temperate and subtropical genotypes can be used as germplasm sources for soybean development in the tropical type-B overflow tidal swamp in Indonesia.

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Plant development and yield components under a tropical environment in soybean cultivars with temperate and tropical origins

Cited by 17 publications

References 32 publications

Response of a Diverse European Soybean Collection to “Short Duration” and “Long Duration” Drought Stress

Response of a Diverse European Soybean Collection to “Short Duration” and “Long Duration” Drought Stress

Association between unmanned aerial vehicle high‐throughput canopy phenotyping and soybean yield

Response of Temperate, Subtropical and Tropical Soybean Genotypes to Type-B Overflow Tidal Swamp of Indonesia

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