Tìm thấy 20+ kết quả cho từ khóa "Drought stress"
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Under both mild drought stress and well-watered conditions, the total root length was highest at 180 kg N ha. and 213.3 m plant -1 under mild drought stress and well-watered conditions, respectively), the lowest total root length was observed at 60 kg N ha -1 (163.3 and 171.7 m plant. drought stress and well. Similarly, under severe drought stress conditions, the total root length showed significantly higher at high N levels ap. (137.4 and 144.5 m plant -1.
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The abundance of certain metabolites responds to drought stress in the highly drought tolerant plant Caragana korshinskii. miRNA expression patterns of Triticum dicoccoides in response to shock drought stress. Chapter 13 - Drought Stress: Molecular Genetics and Genomics Approaches. emmer and modern wheats show major differences in response to drought stress. Identification of drought tolerance determinants by genetic analysis of root response to drought stress and abscisic Acid.
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Variation was also found among the cultivars in response to drought stress. Drought stress in plants: an overview. (Eds.) Plant responses to drought stress.. Nitrogen use efficiency and drought tolerant ability of various sugarcane varieties under drought stress at early growth stage. Proceedings of the South African Sugarcane Technologists’ Association. Effect of drought stress on yield, proline and chlorophyll contents in three chickpea cultivars..
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response to drought stress. Background: Drought is one of the most adverse environmental factors limiting crop productions and it is important to identify key genetic determinants for food safety. In our previous study, abundance of the wheat CPK34 (TaCPK34) protein was remarkably upregulated in wheat plants suffering from drought stress, inferring that it could be involved in this stress. Therefore, here we further detected its function and mechanism in response to drought stress..
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Furthermore, we examined the change of superoxide dismutase (SOD) activity and the content of H 2 O 2 in the leaf and root of blueberry under drought stress.. 7Dand E), indicating that drought stress increased the amount of oxygen released by H 2 O 2 . 6 Expression correlation analysis of DEGs in blueberry under drought stress. DEGs ’ expression correlation network under drought stress in leaf (A) and in root (B).
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BJ278C and BJ278P represent BJ278 samples under control and drought stress conditions, respectively. BJ89C and BJ89P represent BJ89 samples under control and drought stress conditions, respectively. NAT pairs responsive to drought stress. Red and blue lines represent up- and downregulated genes, respectively, under drought stress respectively. c Genome-wide distribution of NAT pairs and differentially expressed genes (DEGs) under drought stress conditions.
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To calculate the degree of differential expression (DE) among lncRNAs, hierarchical clustering was performed using FPKM values of lncRNAs under control and drought stress conditions in 2× and 4× leaves. 1 Phenotype changes in cassava plants in response to drought stress. 3 Changes in stomatal function and photosynthetic parameters induced by drought stress. 4 Changes in the physiological traits of 2× and 4× plants in response to drought stress. stress in both diploid and autotetraploid cassava, sug
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Using drought tolerance indices (Stress tolerance index and geometric mean productivity), high yielding mutant lines under drought stress were selected. Across all these three-mutant generations, mutant lines NN1-M-363, NN1-M-506, NN1-M-700, NN1-M-701, and NN1-M-1621 showed significant improvement as compared to wild type in response to stress conditions.. final selection of genotypes having desired traits (Ghafoor et al., 2013)..
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The growth responses and antioxidant capabilities of melinjo (Gnetum gnemon L.) in different durations of drought stress. Antioxidant Drought stress Melinjo Radical scavenging. The antioxidant compounds benefit human health and plant to develop defense mechanisms under environmental stresses, such as drought stress. This study aims to evaluate the defense mechanism of melinjo under drought stress.
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Table 7 Estimates of scaling test and types of gene action using generation means for all studied Characters in Gemmeiza 9 · IL1 (cross 1) under normal (N) and drought stress (D) conditions.. 23.43. 3.78 23.60. 9.21 23.81. 23.20. Table 8 Estimates of scaling test and types of gene action using generation means for all studied characters in Sids 1 · IL2 (cross 2) under normal (N) and drought stress (D) conditions.. 23.23. 23.93. 23.05.
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The performance of T1, T2, and T3 genotypes against drought stress were evaluated to determine whether the BADH expression enhances drought tolerance of white clover. After drought stress, the BADH transcript levels in T1, T2, and T3 genotypes significantly increased (Figure 4a). Moreover, after the drought stress, GB contents of the leaves of T1, T2, and T3 genotypes significantly increased, compared to nonstress conditions.
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Effect of drought stress and its mechanism in plants. Endogenous polyamine function—the RNA perspective.
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Most of the tested PmNAC genes were up-regulated under drought stress (Fig. Four PmNAC genes ( PmNAC and 172 ) in- creased with time under drought stress, showing similar trends with the RNA-Seq data. 6 Expression of PmNAC genes in response to drought treatment in broomcorn millet. a Heatmap showing the relative expression of total PmNAC genes at 0 h (CK), 1 h (T1), 3 h (T2), and 6 h (T3) under drought stress.
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Expression profiles of NtPYLs in response to drought stress To understand the possible function of NtPYLs in plant response to drought stress, we analyzed the expression profiles of NtPYLs in the tobacco seedlings after drought treatment for indicated time. Amino acid sequence alignment of the 29 NtPYLs and AtPYL2 was performance by ClustalW.
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FAD: FA-treated tea plants were exposed to drought stress. 4FAD: FA-treated tea plants at 4 days of drought stress. 8FAD: FA-treated tea plants at 8 days of drought stress. 4WD: The controlled groups at 4 days of drought stress. 8WD: The controlled groups at 8 days of drought stress. The tea plants used in this study were provided by Tea Research Institute of Qingdao Agricultural University. Kuntze] subjected to drought stress using suppression subtractive hybridization.
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Response of the PgbZIP gene family to drought stress To test whether the PgbZIP gene family functions in plant response to drought stresses, five PgbZIP genes, PgbZIP25, PgbZIP38, PgbZIP39, PgbZIP53 and PgbZIP54, were ran- domly selected from the PgbZIP gene family and exam- ined in plant response to drought stress. The RWCs (relative water contents) of the seedlings treated with and without PEG-6000 were determined and compared.
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Drought stress limits plant growth and quality, which eventually affects crop production sustainability (Khandal et al., 2017). In recent studies, stress defense mechanisms can be explained at the molecular level based on stress factors (Kadioglu et al., 2012. Ma et al., 2019)..
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of P concentration in the roots while drought stress increased it.
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The stress in plants is examined under two groups as the abiotic stress caused by factors such as drought, salinity and cold, and the biotic stress caused by bacteria, viruses and fungi (Ma et al., 2016;. Orhan et al., 2020).. The severity of the drought may vary depending on many factors such as the precipitation formation and the distribution, evaporation and soil moisture storage capacity (Wery et al., 1994).
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Some of the drought and salinity stress responsive PgNACs shows homology with previously reported stress responsive NAC genes [15, 28]. Pearl millet plants were exposed to drought stress for 0, 6, and 24 h, and their roots and leaves were sampled. regulate drought and salinity tolerance in pearl millet.. In a previous study, one of the stress-responsive pearl millet NAC transcription factor gene, PgNAC21, was overexpressed in Arabidopsis, and improved its salinity stress tolerance [42].