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  • Open Access


    The Effect of Organ Temperature on Total Yield of Transplanted and Direct-Seeded Rice (Oryza sativa L.)

    Ziwei Li1,2, Lifen Huang1,2, Zhongyang Huo1,2, Min Jiang1,2,*

    Phyton-International Journal of Experimental Botany, Vol.92, No.11, pp. 2999-3019, 2023, DOI:10.32604/phyton.2023.030627

    Abstract The canopy temperature of rice is an important index that directly reflects the growth and physiological state of rice, and affects the yield of rice plants to a great extent. The correlation between the temperatures of different rice organs and canopy in different growth stages and the grain yield is complex. The stability and universality of these correlations must be verified. We conducted a pot experiment using two rice varieties and two temperature treatments (high temperature treatment was carried out at the beginning of heading stage for 10 days). We measured rice organ temperature during seven stages of growth using… More >

  • Open Access


    Exploration of Distinct Physiological and Biochemical Alterations in Chickpea (Cicer arietinum L.) under Varying Organic Materials, Drought and Proline Application

    Uttam Kumer Sarker1, A. N. Md. Anamul Karim1, F. M. Jamil Uddin1, Ahmed Khairul Hasan1, Najrul Islam1, Md. Romij Uddin1,*, Md. Alamgir Hossain2, Sabry Hassan3, Mohamed M. Hassan3, Mahmoud F. K. Soliman4

    Phyton-International Journal of Experimental Botany, Vol.91, No.12, pp. 2775-2789, 2022, DOI:10.32604/phyton.2022.023112

    Abstract Chickpea yield is decreasing day by day due to drought stress, which could be an immense risk for future food security in developing countries. Management practices could be the most excellent approach to diminish loss due to this abiotic factor. The current research work was designed to explore the tolerance reaction of chickpea genotypes against management practices, through morphological and biochemical parameters and evaluate yield performance across drought prone location of Bangladesh. Four genotypes BD-6048, BD-6045, BD-6090, BD-6092 and eight management practices, e.g., severe water stress (SWS), i.e., without irrigation, 10 cm thick mulching with rice straw (MRS), 10 cm thick… More >

  • Open Access


    Breeding Enrichment of Genetic Variation of Grain Yield and Its Attributes in Bread Wheat under Drought Stress and Well Irrigation

    Dina Swelam1, Abdel Hamid Salem2, Manal Hassan1, Mohammed Ali2,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.12, pp. 2699-2717, 2022, DOI:10.32604/phyton.2022.022651

    Abstract Drought stress (DS) is one of the most critical environmental abiotic stresses for wheat production in the arid environments. Selection of high-yielding genotypes tolerant to DS can play a significant role in mitigation the negative impacts associated with DS. In the present study, generation means analysis (GMA) was used to study the performance of two crosses under well irrigation (WI) and deficit irrigation [cross I (Line 44 × Shandweel-1) and cross II (Line 20 × Sakha 93)]. Significant differences were observed for days to heading (DH), days to maturity (DM), plant height (PH), spike length (SL), number of spikes per plant (NS/P), number of… More >

  • Open Access


    Foliar Application of Brassinolide Induced Regulation of Grain Yield and Quality, Antioxidant Responses and Aroma in Fragrant Rice

    Jinhai Liu1,2,3,#, Rifang Lai1,2,3,#, Longxin He1,2,3, Pipeng Xing1,2,3, Haowen Luo1,2,3, Shuying Yang4, Yingbin Zou4, Xiangru Tang1,2,3,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.5, pp. 1061-1071, 2022, DOI:10.32604/phyton.2022.017634

    Abstract Brassinolide (BR) is a new green plant growth regulator. The present field study was conducted on two fragrant rice cultivars (i.e., Meixiangzhan-2 and Xiangyaxiangzhan) to study the effects of foliar application of BR on fragrant rice performance. At the heading stage, BR solutions at 0.05, 0.15, 0.25 and 0.50 mg L-1 were sprayed on fragrant rice at 600 liters per hectare; these treatments were named as BR1, BR2, BR3 and BR4, respectively. The treatment sprayed with distilled water was taken as a control (CK). Compared with CK, the BR2 treatment significantly enhanced the chlorophyll concentration and net photosynthetic rate for… More >

  • Open Access


    Effect of Reaction-Finished Solution of Hydrochar (HRFS) Application on Rice Grain Yield and Nitrogen Use Efficiency in Saline Soil

    Zhenghua Yi1, Paramsothy Jeyakumar2, Jiang Jiang1, Xiaomian Zhang3, Chunlei Yue3, Haijun Sun1,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.4, pp. 859-868, 2022, DOI:10.32604/phyton.2022.018396

    Abstract We conducted a pot experiment to examine the feasibility of applying a reaction-finished solution of hydrochar (HRFS) to enhance rice production in a saline soil. With this purpose, HRFS was applied (0, 10, 20, 40, 60, 80 and 100 mL/pot) and rice yield and nitrogen (N) use efficiency (NUE) were determined. HRFS application significantly (P <0.05) increased rice grain yield by 19.6%–30.0% compared to the control treatment (CKU, with N but without HRFS addition). Moreover, HRFS application promoted plant height and straw biomass of rice. Increases of rice yield were mainly achieved by increases in the number of panicles and grains… More >

  • Open Access


    Phenotypic and Molecular Assessment of Wheat Genotypes Tolerant to Leaf Blight, Rust and Blast Diseases

    Md. Ashraful Alam1, Milan Skalicky2, Muhammad Rezaul Kabir1, Md. Monwar Hossain1, Md. Abdul Hakim1, Md. Siddikun Nabi Mandal1, Rabiul Islam3, Md. Babul Anwar3, Akbar Hossain1,*, Fahmy Hassan4, Amaal Mohammadein4, Muhammad Aamir Iqbal5, Marian Brestic2,6, Mohammad Anwar Hossain7, Khalid Rehman Hakeem8, Ayman EL Sabagh9,*

    Phyton-International Journal of Experimental Botany, Vol.90, No.4, pp. 1301-1320, 2021, DOI:10.32604/phyton.2021.016015

    Abstract Globally among biotic stresses, diseases like blight, rust and blast constitute prime constraints for reducing wheat productivity especially in Bangladesh. For sustainable productivity, the development of disease-resistant lines and high yielding varieties is vital and necessary. This study was conducted using 122 advanced breeding lines of wheat including 21 varieties developed by Bangladesh Wheat and Maize Research Institute (BAMRI) with aims to identify genotypes having high yield potential and resistance to leaf blight, leaf rust and blast diseases. These genotypes were evaluated for resistance against leaf blight and leaf rust at Dinajpur and wheat blast at Jashore under field condition.… More >

  • Open Access


    Grain Yield Predict Based on GRA-AdaBoost-SVR Model

    Diantao Hu, Cong Zhang*, Wenqi Cao, Xintao Lv, Songwu Xie

    Journal on Big Data, Vol.3, No.2, pp. 65-76, 2021, DOI:10.32604/jbd.2021.016317

    Abstract Grain yield security is a basic national policy of China, and changes in grain yield are influenced by a variety of factors, which often have a complex, non-linear relationship with each other. Therefore, this paper proposes a Grey Relational Analysis–Adaptive Boosting–Support Vector Regression (GRAAdaBoost-SVR) model, which can ensure the prediction accuracy of the model under small sample, improve the generalization ability, and enhance the prediction accuracy. SVR allows mapping to high-dimensional spaces using kernel functions, good for solving nonlinear problems. Grain yield datasets generally have small sample sizes and many features, making SVR a promising application for grain yield datasets.… More >

  • Open Access


    Critical Yield Factors for Achieving High Grain Yield in Early-Season Rice Grown under Mechanical Transplanting Conditions

    Jiana Chen1, Ruichun Zhang2, Fangbo Cao1, Xiaohong Yin1,3, Tianfeng Liang3, Min Huang1,*, Yingbin Zou1

    Phyton-International Journal of Experimental Botany, Vol.89, No.4, pp. 1043-1057, 2020, DOI:10.32604/phyton.2020.011361

    Abstract Double-season rice cropping systems occupy a large portion of the rice production area in southern China. Because the problem of insufficient labor, mechanical transplanting (in contrast to the manual transplanting) was become more attractive in double-season rice system. However, the decisive yield factors which resulting in high grain yield of early-season rice are unclear under mechanical-transplanted conditions. In present study, the field experiments were conducted in the early season in 2017 and repeated in 2018 in Santang Town, Hunan Province, China. Ten early season rice cultivars (Zhuliangyou 819, Lingliangyou 268, Lingliangyou 104, Luliangyou 996, Xiangzaoxian 24, Xiangzaoxian 32, Xiangzaoxian 45,… More >

  • Open Access


    Grain Yield, Quality and 2-Acetyl-1-Pyrroline of Fragrant Rice in Response to Different Planting Seasons in South China

    Leilei Kong1,2, Haowen Luo1, Zhaowen Mo1, Shenggang Pan1, Zhixia Liu2, Qiang Zhang2, Song Bai2,*, Xiangru Tang1,*

    Phyton-International Journal of Experimental Botany, Vol.89, No.3, pp. 705-714, 2020, DOI:10.32604/phyton.2020.010953

    Abstract Climate conditions is an important factor affected the fragrant rice growth and development. In order to study the effects of different planting seasons on fragrant rice performance in South China, present study was conducted with three planting seasons (early season (April to July), middle season (June to September) and late season (August to November)) and three fragrant rice cultivars, ‘Basmati-385’, ‘Meixiangzhan-2’ and ‘Xiangyaxiangzhan’. The results showed that the highest grain yield and grain 2-acetyl-1-pyrroline (2-AP, key component of fragrant rice aroma) content were both recorded in late season treatment while the fragrant rice in middle season treatment produced the lowest… More >

  • Open Access


    Effects of Multi-Stage Continuous Drought on Photosynthetic Characteristics, Yield and Water Use Efficiency of Winter Wheat

    Daoxi Li1,*, Ruitao Lou1, Yanbin Li1, Zepeng Bian1, Ya’nan Zhu2

    Phyton-International Journal of Experimental Botany, Vol.89, No.3, pp. 691-703, 2020, DOI:10.32604/phyton.2020.010661

    Abstract A drought event can cause entire crops to fail or yield loss. In order to study the effects of continuous drought on photosynthetic characteristics, yield, and water use efficiency (WUE) of winter wheat (Triticum aestivum L.), the winter wheat variety “Aikang 58” was selected as test material with controlling the water of the pot-planted winter wheat under a mobile rainout shelter. Based on foot planting and safe wintering, winter wheat was evaluated under different drought conditions, including light, moderate and severe drought at the jointing (B), heading (C), and filling (G) stages. The soil water content was controlled in a… More >

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