The blueberry is an important economic fruit crop in China and has played a key role in increasing agricultural income. The county of Majiang in Guizhou is an important blueberry production region, but water shortages and low fertilizer utilization rates hamper blueberry production. Therefore, it is very urgent to take appropriate irrigation and fertilization strategies to increase the yield of blueberries. Thus, In this study, two factors of water and fertilizer, 4 irrigation levels, 3 fertilization levels and a control field experiment design were used to study the effects of different water and nitrogen treatments on blueberry plant physiology and fruit yield. The research showed that low N and moderate water treatments resulted in high fruit yields and reduced nitrate N retention in the soil. The findings provide a scientific basis and practical Guidance for using appropriate water and N management to obtain high yields of blueberries in this region. The results also provide practical and technical guidance for Minimizing environmental degradation and improving farmers’ incomes.
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Yanyan Zhao1,*, Yanpeng Ding2, Bailin Duan1, Qingzhou Xie1
Phyton-International Journal of Experimental Botany, Vol.92, No.1, pp. 1-15, 2023, DOI:10.32604/phyton.2022.022384
（This article belongs to this Special Issue: Symbiotic Associations for Nutrients Management and Complexes Formation for Better Agricultural Crops Productivity under Biotic and Abiotic Stresses)
Abstract GRAS transcription factors play important roles in plant abiotic stress response, but their characteristics and
functions in cotton have not been fully investigated. A cotton SCL4/7 subgroup gene in the GRAS family,
GhSCL4, was found to be induced by NaCl treatments. Nuclear localization and transactivation activity of GhSCL4
indicate its potential role in transcriptional regulation. Transgenic Arabidopsis thaliana over-expressing GhSCL4
showed enhanced resistance to salt and osmotic stress. What’s more, the transcript levels of salt stress-induced
genes (AtNHX1 and AtSOS1) and oxidation-related genes (AtAPX3 and AtCSD2) were more highly induced in
the GhSCL4 over-expression lines than in wild type after… More >
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Zhaohui Tang1,2,3, Feng Guo1,2,3, Li Cui1,2,3, Qingkai Li4, Jialei Zhang1,2,3, Jianguo Wang1,2,3, Sha Yang1,2,3, Jingjing Meng1,2,3, Xinguo Li1,2,3, Ping Liu2,3,5,*, Shubo Wan1,2,3,*
Phyton-International Journal of Experimental Botany, Vol.92, No.1, pp. 17-34, 2023, DOI:10.32604/phyton.2022.022405
Abstract
Continuous cropping (CC) obstacle is a major threat in legume crops production; however, the underlying mechanisms concerning the roles allelochemicals play in CC obstacle are poorly understood. The current 2-year study was conducted to investigate the effects of different kinds and concentrations of allelochemicals, p-hydroxybenzoic acid (H), cinnamic acid (C), phthalic acid (P), and their mixtures (M) on peanut root growth and productivity in response to CC obstacle. Treatment with H, C, P, and M significantly decreased the plant height, dry weight of the leaves and stems, number of branches, and length of the lateral stem compared with control. Exogenous… More >
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Yan Wan1,#, Yuan Liang1,#, Xuxiao Gong1,#, Jianyong Ouyang1, Jingwei Huang2, Xiaoyong Wu1, Qi Wu1, Changying Liu1, Xueling Ye1, Xiaoning Cao3, Gang Zhao1, Liang Zou1,*, Dabing Xiang1,*
Phyton-International Journal of Experimental Botany, Vol.92, No.1, pp. 35-54, 2023, DOI:10.32604/phyton.2022.021698
（This article belongs to this Special Issue: Plant Physiology for Crop Production and Sustainable Agriculture)
Abstract Tartary buckwheat (Fagopyrum tataricum) is an important pseudocereal feed crop with medicinal and nutritional value. Drought is one of the main causes of reduced growth and yield in these plants. We investigated the growth, physiological, and metabolic responses of the widely promoted Tartary buckwheat variety Chuan Qiao No. 1 to polyethylene glycol (PEG)-mediated drought stress. Drought significantly decreased shoot length, shoot biomass and relative water content. Root length, malondialdehyde content, electrolyte leakage, activities of superoxide dismutase, peroxidase, catalase and amylase, and contents of soluble sugar, soluble protein and proline were increased by PEG-mediated drought. Untargeted metabolomics analysis identified 32 core… More >
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Yajie Liu, Linlin Fang, Wenna Zhao, Chunxue Yang*
Phyton-International Journal of Experimental Botany, Vol.92, No.1, pp. 55-69, 2023, DOI:10.32604/phyton.2022.022159
（This article belongs to this Special Issue: Mycorrhizal Fungi and Sustainable Development of Agriculture)
Abstract Arbuscular mycorrhizal (AM) fungi distribute widely in natural habits and play a variety of ecological functions. In order to test the physiological response to salt stress mediated by different AM fungi, Viola prionantha was selected as the host, the dominant AM fungus in the rhizosphere of V. philippica growing in Songnen saline-alkali grassland, Rhizophagus irregularis, and their mixtures were used as inoculants, and NaCl stress was applied after the roots were colonized. The results showed that V. philippica could be colonized by AM fungi in the field and the colonization rate ranged from 73.33% to 96.67%, and Claroideoglomus etunicatum was… More >
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Ge Chen1,2, Yuling Kang1, Fangbo Cao1, Jiana Chen1, Min Huang1,*
Phyton-International Journal of Experimental Botany, Vol.92, No.1, pp. 71-77, 2023, DOI:10.32604/phyton.2022.022313
Abstract Weeds occurred during the fallow season can well perform the function of carbon (C) capture due to receiving little human disturbance. This study aimed to evaluate the C capture potential of fallow weeds in rice (Oryza sativa L.) cropping systems. A six-region, two-year on-farm investigation and a three-year tillage experiment were conducted to estimate C capture in fallow weeds in rice cropping systems. The on-farm investigation showed that the average mean C capture by fallow weeds across six regions and two years reached 112 g m–2. The tillage experiment indicated that no-tillage practices increased C capture by fallow weeds by… More >
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Junsheng Sun#, Haozhen Zhang#, Mingxia Zhang, Sishen Li, Yanrong An*
Phyton-International Journal of Experimental Botany, Vol.92, No.1, pp. 79-90, 2023, DOI:10.32604/phyton.2022.022225
（This article belongs to this Special Issue: Plant Omics in Challenging Environment)
Abstract EARLY FLOWERING 3 (ELF3), a light zeitnehmer (time-taker) gene, regulates circadian rhythm and photoperiodic flowering in Arabidopsis, rice, and barley. The three orthologs of ELF3 (TaELF3-1AL, TaELF3-1BL, and
TaELF3-1DL) have been identified in wheat too, and one gene, TaELF3-1DL, has been associated with heading
date. However, the basic characteristics of these three genes and the roles of the other two genes, TaELF3-1BL
and, TaELF3-1AL, remain unknown. Therefore, the present study obtained the coding sequences of the three
orthologs (TaELF3-1AL, TaELF3-1BL, and TaELF3-1DL) of ELF3 from bread wheat and characterized them
and investigated the role of TaELF3-1BL in Arabidopsis. Protein sequence… More >
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Haojie Jia1,2, Hong Du1,2,*, Muhmmad Aslam1,2, Tangcheng Li1,2, Canqi Zheng1,2, Xihui Xie1,2, Nan Huang1,2, Honghao Liang1,2, Pengbing Pei1,2, Ping Li1,2, Weizhou Chen1,2, Xiaojuan Liu1,2
Phyton-International Journal of Experimental Botany, Vol.92, No.1, pp. 91-110, 2023, DOI:10.32604/phyton.2022.022663
（This article belongs to this Special Issue: Plant Omics in Challenging Environment)
Abstract Sulfur is an essential macronutrient for the growth of all photosynthetic organisms and plays important roles in
different metabolic pathways. However, sulfur metabolism and its related research on macroalgae with important
ecological value is rather limited. In this study, marine ecological valued macroalga Gracilariopsis lemaneiformis
was used to study the general physiological responses and transcriptome profiling under the sulfate deficiency.
The relative growth rate of algae under sulfate deficiency was statistically significantly lower than that of control
after 6 days. However, no significant differences were observed in the pigments content and Fv/Fm value, indicating
that the photosynthesis was not obviously… More >
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Walid Soufan*, Yaser Hassan Dewir, Nasser A. Al-Suhaibani
Phyton-International Journal of Experimental Botany, Vol.92, No.1, pp. 111-120, 2023, DOI:10.32604/phyton.2022.023115
（This article belongs to this Special Issue: Symbiotic Associations for Nutrients Management and Complexes Formation for Better Agricultural Crops Productivity under Biotic and Abiotic Stresses)
Abstract Alfalfa (Medicago sativa L.), when exposed to abiotic stress such as salinity, suffers significant losses in yield and
productivity. The present study evaluated the salinity tolerance of 12 alfalfa cultivars in vitro using five concentrations of sodium chloride (NaCl), ranging from 0 to 250 mmol L−1
. The results obtained in the current study
revealed that the Saudi cultivars, Kasimi and Hassawi, and the German cultivar (Berlin) had the highest salinity
tolerance in terms of germination percentage (GP), corrected germination rate index (CGRI), days to reach 50%
germination (GT50), and ability to form cotyledonary and true leaves. Under mmol L−1… More >
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Yingying Zhang1,2,3, Jinhai Liu1,2,3, Zhuosheng Yan4, Gangshun Rao5, Xiangru Tang1,2,3,*
Phyton-International Journal of Experimental Botany, Vol.92, No.1, pp. 121-130, 2023, DOI:10.32604/phyton.2022.022697
Abstract Irrigation with desalinated seawater is an effective way to use ocean resources and save freshwater resources. However, seawater irrigation would cause yield loss of rice. In order to explore the effects of ultrasonic seed treatment on rice performances under seawater irrigation, the present study was conducted with three irrigation treatments (fresh water (SW0), ten times diluted seawater (SW1%, 0.34% salinity), and five times diluted seawater (SW2%, 0.68% salinity)) and two seed treatments (ultrasonic treated seeds (UT) and untreated seeds (CK)). Compared with SW0 + CK treatment, SW1 + CK and SW2 + CK treatments significantly decreased grain yield by 56.19%… More >
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Guangheng Wu1,#,*, Lu Rui2,3,#, Xiang Lu4, Libo Han2, Gan Lv1, Xianyu Fu5, Jinxian Liu5, Nong Zhou3, Chuanhai Zhang1
Phyton-International Journal of Experimental Botany, Vol.92, No.1, pp. 131-147, 2023, DOI:10.32604/phyton.2022.021919
（This article belongs to this Special Issue: Plant–Environment Interactions)
Abstract Gray blight disease (GBD) causes significant losses in tea production in China. Although genes and biological processes involved in resistance to fungal disease in tea plants have been identified, specific mechanisms of the GBD infection process remain unknown. In this study, morphological and multi-gene (TEF-TUB-ITS) phylogenetic characteristics were used to identify isolate CLBB1 of Pseudopestalotiopsis vietnamensis. Pathogenicity tests confirmed that isolate CLBB1 from tea leaves caused GBD in the susceptible tea cultivar Wuyi Rock (Camellia sinensis var. sinensis cv. Shuixian). Spores began to germinate 24 h after infection (hai), and after 48 h, elongated fungal hyphae formed from a single conidium. Transcriptome… More >
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