Study on the Effect of Salt Stress on Yield and Grain Quality Among Different Rice Varieties

Zhang, Rui; Wang, Yan; Hussain, Shahid; Yang, Shuo; Li, Rongkai; Liu, Shuli; Chen, Yinglong; Wei, Huanhe; Dai, Qigen; Hou, Hongyan

doi:10.3389/fpls.2022.918460

Cited by 39 publications

(40 citation statements)

References 45 publications

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“…Similarly, our results supported previously [54,55], showed a diminishing in the numbers and length of spikes and grains per spike under salinity treatments, ultimately leading to a notable reduction in wheat yield. Additionally, our study agrees with multiple results [18,52,55], they stated that salinity is toxic to plant development and can significantly hamper the overall yield by negatively impacting the reproductive stage.…”

Section: Discussionsupporting

confidence: 92%

Salt Stress Affects the Growth and Yield of Wheat ( L.) by Altering the Antioxidant Machinery and Expression of Hormones and Stress-Specific Genes

Hussain¹,

Zhang²,

Liu³

et al. 2023

Phyton

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Understanding physiological responses in saline agriculture may facilitate wheat breeding programs. Based on a screening test, the Ningmai-14 (NM-14) and Yangmai-23 (YM-23) wheat cultivars were selected for further experiments to understand the underlying salinity tolerance mechanism. This study investigated the effects of five salinity levels such as Control (CK) = 0 (without NaCl stress), S1 = 0.20%, S2 = 0.25%, S3 = 0.30% and S4 = 0.35% of NaCl concentrations of soil on wheat plants. The results showed that increased salinity concentration reduced the growth and yield of wheat cultivars (NM-14 and YM-23). However, YM-23 (12.7%) yielded more than NM-14 at maximum salinity stress. The higher salinity (S4) increased the concentration of Na + (4.3 to 5.8-fold) and P contents (2.5 to 2.2-fold), while reducing the average concentrations of K + , Cu, and K + /Na + ratio. The higher salinity (S4) reduced the spikelet length by 21.35% (followed by grain spike −1 ), and the starch content by 18.81%. In the YM-23 cultivar, higher salinity increased superoxide dismutase (SOD), total antioxidant capacity (TAC), and amylase. Compared to NM-14, induced expression of TaYUC2, 6, and TaGA13ox, 20ox genes were recorded in YM-23. Similarly, in YM-23 the stress-specific genes such as TaHSP70, 90 were enhanced whereas, TaSOS1, 2 were suppressed. Overall, our study revealed that salt tolerant cultivars modulate hormonal and antioxidant activities, thus maintaining high growth. KEYWORDSSalinity; wheat; hormones; K + /Na + ratio; growth and yield; gene expression

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Section: Discussionsupporting

confidence: 92%

Salt Stress Affects the Growth and Yield of Wheat ( L.) by Altering the Antioxidant Machinery and Expression of Hormones and Stress-Specific Genes

Hussain¹,

Zhang²,

Liu³

et al. 2023

Phyton

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“…Salt stress severely affects crop growth, development, quality, and yield, and has become a critical limiting factor for rice cultivation in mudflats and high-salt areas [33]. Therefore, clarifying the mechanism of salt tolerance in rice is of great significance for promoting its genetic resistance to salt stress and, thus, for the development and utilization of salt-affected lands.…”

Section: Discussionmentioning

confidence: 99%

Transcriptome-Based Comparative Analysis of Transcription Factors in Response to NaCl, NaOH, and Na2CO3 Stresses in Roots of Autotetraploid Rice (Oryza sativa L.)

et al. 2023

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Soil salinity is a severe constraint on crop productivity that triggers plant salt stress response pathways. The salt stress responses are controlled by transcriptional regulatory networks that enhance plant stress tolerance by manipulating the expression of transcription factor (TFs)-encoding genes. Identifying TFs associated with salt tolerance contributes to salt-tolerant crop breeding. In this study, a comparative transcriptome analysis was performed to investigate the global gene expression of entire TFs in diploid and autotetraploid rice with different salt tolerance levels, considering NaCl stress, NaOH stress, and Na2CO3 stress. A total of 54, 54 and 55 TF families were co-expressed in diploid and tetraploid roots under three stresses, respectively. Furthermore, we investigated differentially expressed TFs (DE-TFs) based on different comparisons, and the statistical analysis indicated that the DE-TFs derived from the three types of stress were as follows: Na2CO3 (53 TF families, 1356 DE-TFs) > NaCl (19 TF families, 214 DE-TFs) > NaOH (18 TF families, 152 DE-TFs). These results imply that Na2CO3 stress induced a more obvious biological responses in the roots than the other two stresses. GO and KEGG pathway enrichment analysis of DE-TFs revealed the importance of plant hormone signal transduction and MAPK signaling pathways that may contribute to the saline–alkaline tolerance of tetraploid rice. This study provides gene resources that are valuable for exploring the regulatory mechanism of TFs involved in the saline–alkaline tolerance of polyploid rice.

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“…Salinity may influence the sugar content in plants. In plants exposed to salinity stress, the vacuolar content of glucose, fructose, sucrose and fructan is greater in salinity-tolerant varieties than in sensitive ones 24 and a low concentration of salt stress may increase the rice quality, all of which are meant for agricultural production 25 .…”

Section: Discussionmentioning

confidence: 99%

Effects of NaCl on Growth, Chlorophyll and Sugar Contents in Rice (Oryza sativa L.) Malidum and Malidang Cultivars

Chookhampa¹,

Boonpok²,

Chookhampa³

2023

Asian J. of Plant Sciences

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Background and Objective: Thailand encounters saline soil problems scattered in many areas which affect the agricultural area and causes a decrease in productivity especially growing rice, which is the main economic crop. Rice is the staple food of the Thai people. The rice that was used in this research is a native rice cultivar, which has a special feature: The Malidum cultivar with black grain and the Malidang rice grain with red color. It has high nutritional value in color grains, especially with antioxidants, which todayʼs consumers are more attentive and consuming this rice. To study the impact of salinity stress in rice (Oryza sativa L.) using two cultivars (Malidum and Malidang). Materials and Methods: Seeds germinated for 7 days. After that, the seedlings were transplanted into grown in Hoaglandʼs solution (modified) with NaCl added at concentrations of 0 (control), 50, 100 and 200 mM. Until the plants were 35 days old, the results were recorded and analyzed. The experiment consisted of four replicates in each treatment. Results: The NaCl had an effect on rice growth. The height, fresh weight, dry weight and chlorophyll A and B contents decreased when increasing the NaCl concentration significantly at the 95% confidence level and found that when plants were exposed to increased salinity concentrations, Malidum had a percentage reduction (compared to control) of height and chlorophyll B was higher than Malidang, while in Malidang there was a higher percentage reduction of fresh weight, dry weight and chlorophyll A than Malidum. In Malidang the total sugars increased to the highest concentration at 50 mM NaCl. Conclusion: A comparison of salt tolerance between two cultivars of rice found that the Malidang cultivar had a greater tolerance than the Malidum cultivar.

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Study on the Effect of Salt Stress on Yield and Grain Quality Among Different Rice Varieties

Cited by 39 publications

References 45 publications

Salt Stress Affects the Growth and Yield of Wheat ( L.) by Altering the Antioxidant Machinery and Expression of Hormones and Stress-Specific Genes

Salt Stress Affects the Growth and Yield of Wheat ( L.) by Altering the Antioxidant Machinery and Expression of Hormones and Stress-Specific Genes

Transcriptome-Based Comparative Analysis of Transcription Factors in Response to NaCl, NaOH, and Na2CO3 Stresses in Roots of Autotetraploid Rice (Oryza sativa L.)

Effects of NaCl on Growth, Chlorophyll and Sugar Contents in Rice (Oryza sativa L.) Malidum and Malidang Cultivars

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