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  • Open Access

    ARTICLE

    Seasonal Changes in Soil Respiration with An Elevation Gradient in Abies nephrolepis (Trautv.) Maxim. Forests in North China

    Zhijie Tian1,*, Xueying Jia2, Tingting Liu1, Eryan Ma1, Lamei Xue1, Yanqiu Hu1, Qingrong Zheng1

    Phyton-International Journal of Experimental Botany, Vol., , DOI:10.32604/phyton.2022.020329

    Abstract Soil respiration (Rs) plays an important role in regulating carbon cycle of terrestrial ecosystems and presents temporal and spatial heterogeneity. Abies nephrolepis is a tree species that prefers the cold and wet environment and is mainly distributed in Northeast Asia and East Asia. The Rs variations of Abies nephrolepis forests communities are generally environmental-sensitive and can effectively reflect the adaptive responses of forest ecosystems to climate change. In this study, the growing-seasonal variations of Rs, soil temperature, soil water content and soil properties of Abies nephrolepis forests were analyzed along an altitude gradient (2000, 2100, 2200 and 2300 m) over… More >

  • Open Access

    ARTICLE

    Proteomics Analysis of Soybean Seedlings under Short-Term Water Deficit

    Xiyue Wang, Zihao Wu, Chao Yan, Chunmei Ma, Shoukun Dong*

    Phyton-International Journal of Experimental Botany, Vol., , DOI:10.32604/phyton.2022.020251

    Abstract Soybeans are one of the most important grain crops worldwide. Water deficit, which seriously affects the yield and quality of soybeans, is the main abiotic stress factor in soybean production. As a follow-up study, the droughttolerant soybean variant Heinong 44 was analyzed via proteome analysis. Soybean was exposed to water deficit for 0, 8, and 24 h, and protein samples were extracted for detection of differentially expressed proteins. Protein sequencing of leaf tissues under water stress yielded a total of 549 differentially expressed proteins: 75 and 320 upregulated proteins as well as 70 and 84 downregulated proteins were obtained after… More >

  • Open Access

    ARTICLE

    De novo Transcriptome Analysis in Leymus mollis to Unveil Genes Involved in Salt Stress Response

    Wenting Wu1 , Yajing Zhang1, Yu Gao1, Kai Zhang2,3, Luying Zhu1,3,*, Hongxia Zhang2,3

    Phyton-International Journal of Experimental Botany, Vol., , DOI:10.32604/phyton.2022.020515

    Abstract Leymus mollis, a wild relative of wheat, is very tolerant to salt stress, and has been considered as a valuable genetic resource for wheat breeding. However, the genetic basis for salt tolerance of this species is still largely unknown. In this study, de novo sequencing, assembly and analysis of L. mollis transcriptome in response to salt stress was performed. A total of 110,323 and 112,846 unigenes were generated for the NaCl-free (CK) and 180 mM NaCl-treated (CT) library, respectively. For the two libraries, 73,414 unigenes were successfully annotated in five common protein databases, and 7521 differentially expressed genes (DEGs) between… More >

  • Open Access

    ARTICLE

    Physiological and Biochemical Mechanisms of Exogenous Calcium Chloride on Alleviating Salt Stress in Two Tartary Buckwheat (Fagopyrum tataricum) Varieties Differing in Salinity Tolerance

    Tao Zhang*, Hongbing Yang

    Phyton-International Journal of Experimental Botany, Vol., , DOI:10.32604/phyton.2022.019572

    Abstract Salt stress is one of the most serious abiotic stresses limiting plant growth and development. Calcium as an essential nutrient element and important signaling molecule plays an important role in ameliorating the adverse effect of salinity on plants. This study aimed to investigate the impact of exogenous calcium on improving salt tolerance in Tartary buckwheat cultivars, cv. Xinong9920 (salt-tolerant) and cv. Xinong9909 (salt-sensitive). Four-week-old Tartary buckwheat seedlings under 100 mM NaCl stress were treated with and without exogenous calcium chloride (CaCl2), Ca2+ chelator ethylene glycol tetraacetic acid (EGTA) and Ca2+-channel blocker lanthanum chloride (LaCl3) for 10 days. Then, some important… More >

  • Open Access

    ARTICLE

    Effects of Different Irrigation Management on the Textural Properties of Double-Cropping Late Indica Rice in South China

    Ruoyu Xiong1, Liming Chen1, Daren Jiang1, Yingjie Zhou1, Xueming Tan1, Xiaohua Pan1, Yongjun Zeng1, Jun Zhang2, Yanhua Zeng1,*

    Phyton-International Journal of Experimental Botany, Vol., , DOI:10.32604/phyton.2022.018485

    Abstract In order to investigate the effects of different irrigation management on the textural properties of two different double-cropping late Indica rice, the effects of three irrigation management including conventional irrigation (CK), constant irrigation (CI) and alternate wetting and drying (AWD) on textural properties has been researched under field conditions of two years. The results indicated that the firmness, cohesiveness and chewiness were decreased under AWD treatment, and the stickiness was increased compared with CK, while the textural properties under CI treatment showed the opposite trend with AWD treatment. Additionally, AWD treatment signifi- cantly improved the springiness of TY871 compared with… More >

  • Open Access

    ARTICLE

    Effects of High Temperature and Strong Light Combine Stress on Yield and Quality of Early Indica Rice with Different Amylose Content during Grout Filling

    Xiaofeng Ai1, Ruoyu Xiong1, Xueming Tan1, Haixia Wang1, Jun Zhang2, Yongjun Zeng1, Xiaohua Pan1, Qinghua Shi1, Taoju Liu1, Yanhua Zeng1,*

    Phyton-International Journal of Experimental Botany, Vol., , DOI:10.32604/phyton.2022.018328

    Abstract High temperature (HT) accompanied with strong light (SL) often occurs in early indica rice production during grout filling stage in southern China, which accelerates grain ripening. Two indica rice cultivars with different amylose content (Zhongjiazao17, ZJZ17, high amylose content; Xiangzaoxian45, XZX45, low amylose content) were grown under control (CK), HT, and HT+SL conditions during grout filling to determine the effects on grain yield and quality of rice. The results showed that compared with CK, HT and HT+SL significantly reduced the 1000-grain weight and filled grain rate whether in high or low amylose content early indica rice cultivars during grout filling,… More >

  • Open Access

    ARTICLE

    OsMAPK6 Affects Male Fertility by Reducing Microspore Number and Delaying Tapetum Degradation in Oryza Sativa L.

    Wuzhong Yin#, Hongxia Yang#, Yantong Wang, Ping Feng, Yao Deng, Yang Liu, Danyang Chen, Yijie Ban, Weichi Liu, Guanghua He*, Nan Wang*

    Phyton-International Journal of Experimental Botany, Vol., , pp. 1-18, DOI:10.32604/phyton.2022.017811

    Abstract The mitogen-activated protein kinase (MAPK) cascade is important in stress signal transduction and plant development. In the present study, we identified a rice (Oryza sativa L.) mutant with reduced fertility, Oryza sativa mitogen-activated protein kinase 6 (osmapk6), which harbored a mutated MAPK gene. Scanning and transmission electron microscopy, quantitative RT-PCR analysis, TUNEL assays, RNA in situ hybridization, longitudinal and transverse histological sectioning, and map-based cloning were performed to characterize the osmapk6 mutant. The gene OsMAPK6 was expressed throughout the plant but predominantly in the microspore mother cells, tapetal cells, and microspores in the anther sac. Compared with the wild type,… More >

  • Open Access

    ARTICLE

    Nanotechnology-Based Advancements in Postharvest Management of Horticultural Crops

    Tarun Kumar Upadhyay1,*, V. S. Varun Kumar2, Amit Baran Sharangi3, Vijay J. Upadhye1, Fahad Khan4, Pratibha Pandey4, Mohammad Amjad Kamal5,6,7, Abrar Yasin Baba8 and Khalid Rehman Hakeem9,*

    Phyton-International Journal of Experimental Botany, Vol., , pp. 1-17, DOI:10.32604/phyton.2022.017258

    Abstract Horticulture is a branch of Agricultural science where it is defined as the science and art of cultivating and handling fruits, vegetables, ornamental plants and several plants having unique medicinal and aromatic values. Horticultural crops provide farmers with high income and have good export quality, but they have a concern about postharvest losses. Hence, increasing productivity and decreasing post-harvest losses by using scientific studies and techniques like biotechnology and nanotechnology could be the simplest possible solution to the above-mentioned problems. Using nanotechnology which is having the characteristics of nanoparticles is proven to be very useful in science and technological applications.… More >

  • Open Access

    REVIEW

    Salinity Stress in Wheat: Effects, Mechanisms and Management Strategies

    Mahmoud F. Seleiman1,2,#,*, Muhammad Talha Aslam3,#, Bushra Ahmed Alhammad4, Muhammad Umair Hassan5, Rizwan Maqbool3, Muhammad Umer Chattha3, Imran Khan3, Harun Ireri Gitari6, Omer S. Uslu7, Rana Roy8, Martin Leonardo Battaglia9

    Phyton-International Journal of Experimental Botany, Vol., , DOI:10.32604/phyton.2022.017365

    Abstract Salinity stress is a major threat to global food production and its intensity is continuously increasing because of anthropogenic activities. Wheat is a staple food and a source of carbohydrates and calories for the majority of people across the globe. However, wheat productivity is adversely affected by salt stress, which is associated with a reduction in germination, growth, altered reproductive behavior and enzymatic activity, disrupted photosynthesis, hormonal imbalance, oxidative stress, and yield reductions. Thus, a better understanding of wheat (plant) behavior to salinity stress has essential implications to devise counter and alleviation measures to cope with salt stress. Different approaches… More >

  • Open Access

    REVIEW

    Mycorrhiza and Phosphate Solubilizing Bacteria: Potential Bioagents for Sustainable Phosphorus Management in Agriculture

    Fazli Wahid1, Muhammad Sharif2, Shah Fahad3, Amjad Ali4, Muhammad Adnan1, Rafiullah1, Shah Saud5, Subhan Danish6,*, Muhammad Arif Ali6, Niaz Ahmed6, Hüseyin Arslan7, Doğan Arslan8, Murat Erman8, Ayman EL Sabagh8,9,*, Fatemeh Gholizadeh10, Rahul Datta11

    Phyton-International Journal of Experimental Botany, Vol., , DOI:10.32604/phyton.2022.016512

    Abstract Phosphorus (P) is a critical nutrient that plays an essential role in improving soil fertility for optimum plant growth and productivity. It is one of the most deficient macro-nutrients in agricultural soils after nitrogen and is considered inadequate for plant growth and production. To P availability in soils, the farmers are applying huge amounts of synthetic P fertilizers that adversely affect the wider environment, groundwater, soil fertility and microbial population. Many beneficial microbes are known to release and supply soluble P for improving growth and yield of a variety of plants in a sustainable manner in P deficient soils. Thus,… More >

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