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  • Open Access

    ARTICLE

    Effects of Auxin at Different Concentrations on the Growth, Root Morphology and Cadmium Uptake of Maize (Zea mays L.)

    Lingyan Hu, Haiyan Chen, Guangqun Zhang, Zihao Yu, Kai Yan, Fangdong Zhan, Yongmei He*

    Phyton-International Journal of Experimental Botany, Vol.91, No.9, pp. 1933-1944, 2022, DOI:10.32604/phyton.2022.020041

    Abstract Indoleacetic acid (IAA) is an important regulator that plays a crucial role in plant growth and responses to abiotic stresses. In the present study, a sand cultivation experiment was carried out to investigate the effects of IAA at different concentrations (0, 0.01, 0.1, 0.5, 1, and 2.5 mmol/L) on maize growth, root morphology, mineral elements (Ca, Mg) and Cd uptake under 20 mg/kg Cd stress. The results showed that 0.01 mmol/L is the optimal IAA concentration for enhancing the Cd tolerance of maize. Compared with the control treatment, 0.01 mmol/L IAA promoted maize growth, with significant increases in the height,… More >

  • Open Access

    REVIEW

    Antagonistic Potential of Bacterial Species against Fungal Plant Pathogens (FPP) and Their Role in Plant Growth Promotion (PGP): A Review

    Amjad Ali1, Yasir Iftikhar2,*, Mustansar Mubeen2, Haider Ali3, Muhammad Ahmad Zeshan2, Zohaib Asad4, Muhammad Zafar-ul-Hye5, Malik Abdul Rehman6, Mazhar Abbas7, Muhammad Rafique8, Muhammad Usman Ghani9

    Phyton-International Journal of Experimental Botany, Vol.91, No.9, pp. 1859-1877, 2022, DOI:10.32604/phyton.2022.021734

    Abstract

    Since the 19th century to date, the fungal pathogens have been involved in causing devastating diseases in plants. All types of fungal pathogens have been observed in important agricultural crops that lead to significant pre and postharvest losses. The application of synthetic fungicide against the fungal plant pathogens (FPP) is a traditional management practice but at the same time these fungicides kill other beneficial microbes, insects, animal, and humans and are harmful to environment. The antagonistic microorganism such as bacteria are being used as an alternate strategy to control the FPP. These antagonistic species are cost-effective and eco-friendly in nature.… More > Graphic Abstract

    Antagonistic Potential of Bacterial Species against Fungal Plant Pathogens (FPP) and Their Role in Plant Growth Promotion (PGP): A Review

  • Open Access

    ARTICLE

    Effect of Paclobutrazol Application on Plant Growth and Flower Quality in Herbaceous Peony

    Yanqing Wu1,2, Jiao Liu1, Daqiu Zhao2, Jun Tao1,2,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.9, pp. 2017-2032, 2022, DOI:10.32604/phyton.2022.020643

    Abstract Herbaceous peony (Paeonia lactiflora Pall.) is an important ornamental plant worldwide. In its natural state, P. lactiflora often manifests traits like rapidly elongating internodal growth, loose plant types, and soft inflorescence stems. However, very little has been known about the measures for controlling these traits. This study investigated the effect of applying paclobutrazol (PBZ) on the plant growth and flower quality in P. lactiflora. The results indicated that PBZ application reduced the plant height (8.05%), plant crown width (14.72%), and leaf area (10.90%), but increased the leaf thickness (18.18%) and stem diameter (over 11%) in P. lactiflora. Meanwhile, PBZ application… More >

  • Open Access

    REVIEW

    Plant growth-promoting rhizobacteria (PGPR) and its mechanisms against plant diseases for sustainable agriculture and better productivity

    PRANAB DUTTA1,*, GOMATHY MUTHUKRISHNAN2,*, SABARINATHAN KUTALINGAM GOPALASUBRAMAIAM2, RAJAKUMAR DHARMARAJ2, ANANTHI KARUPPAIAH3, KARTHIBA LOGANATHAN4, KALAISELVI PERIYASAMY5, M. ARUMUGAM PILLAI2, GK UPAMANYA6, SARODEE BORUAH7, LIPA DEB1, ARTI KUMARI1, MADHUSMITA MAHANTA1, PUNABATI HEISNAM8, AK MISHRA9

    BIOCELL, Vol.46, No.8, pp. 1843-1859, 2022, DOI:10.32604/biocell.2022.019291

    Abstract

    Plant growth-promoting rhizobacteria (PGPR) are specialized bacterial communities inhabiting the root rhizosphere and the secretion of root exudates helps to, regulate the microbial dynamics and their interactions with the plants. These bacteria viz., Agrobacterium, Arthobacter, Azospirillum, Bacillus, Burkholderia, Flavobacterium, Pseudomonas, Rhizobium, etc., play important role in plant growth promotion. In addition, such symbiotic associations of PGPRs in the rhizospheric region also confer protection against several diseases caused by bacterial, fungal and viral pathogens. The biocontrol mechanism utilized by PGPR includes direct and indirect mechanisms direct PGPR mechanisms include the production of antibiotic, siderophore, and hydrolytic enzymes, competition for space and… More >

  • Open Access

    REVIEW

    Crop Improvement and Abiotic Stress Tolerance Promoted by Moringa Leaf Extract

    Md. Abir Ul Islam1, Juthy Abedin Nupur2, Charles T. Hunter3, Abdullah Al Mamun Sohag4, Ashaduzzaman Sagar5, Md. Sazzad Hossain6, Mona F. A. Dawood7,*, Arafat Abdel Hamed Abdel Latef8, Marián Brestič9,10, Md. Tahjib-UI-Arif4,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.8, pp. 1557-1583, 2022, DOI:10.32604/phyton.2022.021556

    Abstract Moringa leaf extract (MLE) has been shown to promote beneficial outcomes in animals and plants. It is rich in amino acids, antioxidants, phytohormones, minerals, and many other bioactive compounds with nutritional and growth-promoting potential. Recent reports indicated that MLE improved abiotic stress tolerance in plants. Our understanding of the mechanisms underlying MLE-mediated abiotic stress tolerance remains limited. This review summarizes the existing literature on the role of MLE in promoting plant abiotic stress acclimation processes. MLE is applied to plants in a variety of ways, including foliar spray, rooting media, and seed priming. Exogenous application of MLE promoted crop plant… More >

  • Open Access

    ARTICLE

    Mycorrhiza improves plant growth and photosynthetic characteristics of tea plants in response to drought stress

    FENGJUN DAI1, ZIYI RONG1, QIANGSHENG WU1, ELSAYED FATHI ABD_ALLAH3, CHUNYAN LIU1,2,*, SHENGRUI LIU2,*

    BIOCELL, Vol.46, No.5, pp. 1339-1346, 2022, DOI:10.32604/biocell.2022.018909

    Abstract Tea plants are sensitive to soil moisture deficit, with the level of soil water being a critical factor affecting their growth and quality. Arbuscular mycorrhizal fungi (AMF) can improve water and nutrient absorption, but it is not clear whether AMF can improve the photosynthetic characteristics of tea plants. A potted study was conducted to determine the effects of Claroideoglomus etunicatum on plant growth, leaf water status, pigment content, gas exchange, and chlorophyll fluorescence parameters in Camellia sinensis cv. Fuding Dabaicha under well-watered (WW) and drought stress (DS) conditions. Root mycorrhizal colonization and soil hyphal length were significantly reduced by the… More >

  • Open Access

    REVIEW

    Climate Change and Its Adverse Impacts on Plant Growth in South Asia: Current Status and Upcoming Challenges

    Mohammad Saidur Rhaman1,*, Tahjib-Ul-Arif2, Mohammad Golam Kibria3, Anamul Hoque3

    Phyton-International Journal of Experimental Botany, Vol.91, No.4, pp. 695-711, 2022, DOI:10.32604/phyton.2022.018898

    Abstract Socioeconomic development, adaptive capacity of the population, and demographic conditions across the states of South Asia make it more vulnerable to climate change. South Asia is daily going to be more vulnerable to climate change and climatic variability. This region is facing multiple challenges in terms of climate change, dilapidation of ecosystems, and food insecurity. Climate is the primary determining factor for agricultural output, which unswervingly influences food production across the globe. South Asia is mainly an agricultural foundation based region and thus the economy of these regions directly depends on agriculture and agricultural production. Due to the extensive dependence… More >

  • Open Access

    ARTICLE

    Estimation of Growth and Photosynthetic Performance of Two C4 Species (Pennisetum spicatum (L.) Körn. and Zea mays L.) under a Low Temperature Treatment

    Abdulkhaliq Alshoaibi*

    Phyton-International Journal of Experimental Botany, Vol.91, No.1, pp. 45-55, 2022, DOI:10.32604/phyton.2022.016434

    Abstract Pearl millet (Pennisetum spicatum (L.) Körn.) and maize (Zea mays L.) are C4 grass species grown for feeding humans and animals in Almadinah Almunawwarah, which is in the western part of Saudi Arabia. During the winter, the mean temperature, which drops to 14°C, represents a major problem for the growth of these species in this region. Therefore, the objectives of this research were to investigate the growth response and the photosynthetic performance of P. spicatum and Z. mays under a low temperature stress. The treatments involved daytime and nighttime temperatures of 14/12°C (low temperature) and 24/22°C (optimum temperature). The results… More >

  • Open Access

    ARTICLE

    Antimicrobial and plant growth-promoting activities of bacterial endophytes isolated from Calotropis procera (Ait.) W.T. Aiton

    MUHAMMAD HAMAYUN1,*, NASIR KHAN1, MUHAMMAD NAUMAN KHAN2, MUHAMMAD QADIR1, ANWAR HUSSAIN1, AMJAD IQBAL3, SUMERA AFZAL KHAN4, KHUSHNOOD UR REHMAN5, IN-JUNG LEE6,*

    BIOCELL, Vol.45, No.2, pp. 363-369, 2021, DOI:10.32604/biocell.2021.013907

    Abstract Bacterial endophytes are beneficial to their hosts as they can fix nitrogen in the soil and make it available to the host. Endophytic bacteria also secrete plant growth-promoting hormones to support their host plants under normal as well as stress conditions. The current study aimed to isolate endophytic bacteria from different parts of Calotropis procera, i.e., roots, stem and leaves of Calotropis procera (Ait.) W.T. Aiton. Plants were collected from the Lundkhwar, district Mardan. A total of 12 bacterial strains, i.e., six from roots, three from the stem and three from the leaves were isolated. The strains were screened for… More >

  • Open Access

    ARTICLE

    Interaction of Acaena elongata L. with Arbuscular Mycorrhizal Fungi under Phosphorus Limitation Conditions in a Temperate Forest

    Yasmin Vázquez-Santos1, Yuriana Martínez-Orea1, Javier Álvarez-Sánchez1, Noé Manuel Montaño2, Sara Lucía Camargo-Ricalde2, Silvia Castillo-Argüero1,*

    Phyton-International Journal of Experimental Botany, Vol.90, No.2, pp. 605-619, 2021, DOI:10.32604/phyton.2021.014208

    Abstract The aim of this study was to analyze the performance of Acaena elongata colonized by arbuscular mycorrhizal fungi (AMF) to different phosphorus (P) concentrations, as a measure of AMF dependency. A. elongata, is a species from soils where P availability is limited, such as temperate forests. Our research questions were: 1) How do different P concentrations affect the AMF association in Acaena elongata, and 2) How does the AMF association influence A. elongata’s growth under different P concentrations? A. elongata’s growth, P content in plant tissue, AMF colonization and dependency were measured under four P concentrations: control (0 g P… More >

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