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  • Open Access


    Contrasting Characteristics of Lodging Resistance in Two Super-Rice Hybrids Differing in Harvest Index

    Zui Tao1, Tao Lei1, Fangbo Cao1, Jiana Chen1, Xiaohong Yin1,2, Tianfeng Liang2,*, Min Huang1,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 429-437, 2022, DOI:10.32604/phyton.2022.016955

    Abstract The “super rice” breeding program in China has been successful in developing high-yielding hybrids, including few with high harvest index values. However, there is limited information on the relationship between lodging resistance and harvest index, and the mechanisms underlying the relationship in super-rice hybrids. In this study, a two-year field experiment was conducted to compare lodging resistance and its related traits between two super-rice hybrids differing in harvest index, i.e., Guiliangyou 2 (G2) with a high harvest index and Y-liangyou 1 (Y1) with a typical harvest index of modern high-yielding rice varieties. Results showed that compared to Y1, G2 was… More >

  • Open Access


    Adjusting Nitrogen Application in Accordance with Soil Water Availability Enhances Yield and Water Use by Regulating Physiological Traits of Maize under Drip Fertigation

    Mingda Yang1, Shouchen Ma2, Fujian Mei1, Li Wei1, Tongchao Wang1,*, Xiaokang Guan1,*

    Phyton-International Journal of Experimental Botany, Vol.90, No.2, pp. 417-435, 2021, DOI:10.32604/phyton.2021.013175

    Abstract Knowledge of the interactive effects of water and nitrogen (N) on physio-chemical traits of maize (Zea mays L.) helps to optimize water and N management and improve productivity. A split-plot experiment was conducted with three soil water conditions (severe drought, moderate drought, and fully water supply referring to 45%–55%, 65%–75%, and 85%–95% field capacity, respectively) and four N application rates (N0, N150, N240, and N330 referring to 0, 150, 240, 330 kg N ha–1 respectively) under drip fertigation in 2014 and 2015 in the Huang-Huai-Hai Plain of China. The results indicated that drought stress inhibited physiological activity of plants (leaf… More >

  • Open Access


    The Enhancement of Soil Fertility, Dry Matter Transport and Accumulation, Nitrogen Uptake and Yield in Rice via Green Manuring

    Tianyuan Li1,#, Saif Ullah1,#, He Liang1, Izhar Ali1, Quan Zhao1, Anas Iqbal1, Shanqing Wei1, Tariq Shah2, Yuqiong Luo1, Ligeng Jiang1,*

    Phyton-International Journal of Experimental Botany, Vol.90, No.1, pp. 223-243, 2021, DOI:10.32604/phyton.2020.012065

    Abstract Readily available chemical fertilizers have resulted in a decline in the use of organic manure (e.g., green manures), a traditionally sustainable source of nutrients. Based on this, we applied urea at the rate of 270 kg ha−1 with and without green manure in order to assess nitrogen (N) productivity in a double rice cropping system in 2017. In particular, treatment combinations were as follows: winter fallow rice-rice (WF-R-R), milk vetch rice-rice (MV-R-R), oil-seed rape rice-rice (R-R-R) and potato crop rice-rice (P-R-R). Results revealed that green manure significantly (p ≤ 0.05) improved the soil chemical properties and net soil organic carbon… More >

  • Open Access


    Biochar Application Enhanced Post-Heading Radiation Use Efficiency in Field-Grown Rice (Oryza sativa L.)

    Xiaohong Yin, Zui Tao, Jiana Chen, Fangbo Cao, Min Huang*, Yingbin Zou

    Phyton-International Journal of Experimental Botany, Vol.89, No.2, pp. 415-422, 2020, DOI:10.32604/phyton.2020.08962

    Abstract It has been shown that adding biochar to soil can improve nitrogen (N) uptake and utilization in rice (Oryza sativa L.). However, there is a lack of research on the physiological alterations of rice as a result of the changes in nitrogen uptake due to the addition of biochar. This study conducted field experiments in 2015 and 2016 with the goal of testing the hypothesis that the application of biochar would enhance radiation use efficiency (RUE) of rice by improving the plant’s ability to take in and utilize nitrogen. Our results demonstrated that the application of biochar (20 t ha−1More >

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