Climate change-induced alteration in biotic environment and its effect on cereal and pseudocereal quality

Jevtić, Radivoje; Župunski, Vesna; Lalošević, Mirjana

doi:10.1016/b978-0-323-90566-4.00011-4

Cited by 2 publications

(3 citation statements)

References 158 publications

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“…Harsh et al [27] stated that organisms can live and develop optimally by consuming available nutrients. Pests and diseases can reduce seed weight by up to 50% [16], with diseases of more than 16% and pests of more than 40% [28]. Pests and wheat diseases that have been identified in the high altitutes could have influenced the responses observed in this experiment.…”

Section: Fungal Pathogensmentioning

confidence: 84%

“…These conditions can also invite a variety of plant-disturbing organisms, such as endemic pests such as stink bugs, leaf spots, and blight. These organisms can make plants fall easily and leaves turn yellow, disrupting plant metabolism [16].…”

Section: Microclimate During Experimentsmentioning

confidence: 99%

“…However, it is significantly different in frequency of lodged plant (FLP), percentage of empty floret (PEF), percentage of yellow to total leaf area (PY), ratio of yellow and green flag leaf (YGR), and grain weight per panicle (GP) (Table 5). Heterogeneous environments can occur because plants respond to biotic stress attacked by pests and diseases randomly depending on genotype conditions or other abiotic factors [16]. The lower values showed a better resistant level of wheat lines to biotic stress for frequency of lodged plant (FLP), percentage of empty floret (PEF), percentage of yellow to total leaf area (PY), and the ratio of yellow and green flag leaf (YGR).…”

Section: Biotic Stress Response and Yield Evaluationmentioning

confidence: 99%

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The Response of Advanced Generation Wheat Lines Derived from Convergent Breeding to Biotic Stress in High Altitude Area

Firmansah,

Wahyu,

Nur

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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Wheat development in tropical regions faces various obstacles, one of which is biotic stress from pests and diseases. This research aims to determine how these limiting factors inhibit production improvement. The study was conducted in high altitude areas characterized by high rainfall and various organisms that symbiotically adapt to wheat plants. An analysis was performed to assess the impact of biotic stress on the observed response variables. The research arranged in randomized complete block design (RCBD) with 3 replications, using 26 advanced-generation wheat lines derived from convergent breeding and four check national varieties. Results showed that some organisms impacted lodged plants, empty spikelets, and yellow spots on flag leaves. The percentage of empty florets was the most significant factor affecting seed yield. The resistance level to the yellow leaf spot of all wheat lines and varieties was thought to be good because the inoculum of the yellow leaf spot pathogen was still limited. Yield character performance of almost all wheat lines were better compare to the national varieties which were used as control. Lodging frequency and empty florets correlated negatively to seed weight. Empty florets had the strongest direct negative effect on yield compared to other characters.

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Section: Fungal Pathogensmentioning

confidence: 84%

Section: Microclimate During Experimentsmentioning

confidence: 99%

Section: Biotic Stress Response and Yield Evaluationmentioning

confidence: 99%

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The Response of Advanced Generation Wheat Lines Derived from Convergent Breeding to Biotic Stress in High Altitude Area

Firmansah,

Wahyu,

Nur

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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The challenge of managing yellow rust (Puccinia striiformis f.sp. tritici) in winter wheat: how combined climate and pathogen stressors impact variability in genotype reactions

Jevtić,

Župunski

2023

Front. Plant Sci.

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Despite the ongoing evolution of wheat pathogens due to the selection pressures of agro-ecological conditions, many studies have often overlooked the combined impact of both biotic and abiotic factors on disease occurrence. From 2016 to 2023, a comprehensive screening of obligate pathogens, including B. graminis f. sp. tritici, P. graminis f. sp. tritici, P. triticina, and P. striiformis f. sp. tritici, was carried out. This screening was conducted on a phenotyping platform encompassing 2715 winter wheat genotypes and their wild relatives, both with and without resistant genes (Lr, Yr, and Sr) for rust diseases. The data were analyzed using PCAmix, best subsets regression, and linear regression modeling. The findings from this study reveal that the plant reactions to leaf and yellow rust infections is far from straightforward. It is heavily influenced not only by prevalent rust races and climatic factors that impact pathogen life cycles but also by variations in the susceptibility reactions of wheat genotypes to the broader agro-ecological conditions. We also observed a tendency for leaf rust and yellow rust to coexist within the same host plant, even though yellow rust is typically considered more aggressive. We reported for the first time genes related to yellow rust resistance breakdown in Serbia in 2023. Lastly, we underscored the importance of investigating resistance responses to rust diseases not exclusively through the interrelation between resistance genes and pathogen virulence, but also by considering how plants respond to the combined stresses of abiotic and biotic factors. Consequently, our study sets the groundwork for further research into how plants respond to multiple stressors and contributes for further investigations related with effective integrated rust management.

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Climate change-induced alteration in biotic environment and its effect on cereal and pseudocereal quality

Cited by 2 publications

References 158 publications

The Response of Advanced Generation Wheat Lines Derived from Convergent Breeding to Biotic Stress in High Altitude Area

The Response of Advanced Generation Wheat Lines Derived from Convergent Breeding to Biotic Stress in High Altitude Area

The challenge of managing yellow rust (Puccinia striiformis f.sp. tritici) in winter wheat: how combined climate and pathogen stressors impact variability in genotype reactions

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