Rice Genomics and Genetics 2025, Vol.16, No.4, 180-198 http://cropscipublisher.com/index.php/rgg 180 Case Study Open Access Comprehensive Evaluation of Growth Traits, Physiological Resistance, and Ecological Cultivation of New Rice Varieties: A Case Study from the Demonstration Base in Damao Village, Jiashan ZhigangFu Jiashan County Fengchan Grain & Oil Professional Cooperative, Jiashan, 314110, Zhejiang, China Corresponding email: 414192496@qq.com Rice Genomics and Genetics, 2025, Vol.16, No.4 doi: 10.5376/rgg.2025.16.0016 Received: 08 May, 2025 Accepted: 18 Jun., 2025 Published: 06 Jul., 2025 Copyright © 2025 Fu, This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Preferred citation for this article: Fu Z.G., 2025, Comprehensive evaluation of growth traits, physiological resistance, and ecological cultivation of new rice varieties: a case study from the demonstration base in Damao village, Jiashan, Rice Genomics and Genetics, 16(4): 180-198 (doi: 10.5376/rgg.2025.16.0016) Abstract In order to promote the development of green agriculture and improve rice yield and stress resistance, this study was based on the demonstration base of Dahao Village in Jiashan. The comprehensive performance of the new late rice varieties displayed locally in terms of growth traits, physiological resistance and ecological cultivation mode was systematically evaluated. The differences between indica-japonica hybrid rice and conventional late japonica rice in terms of plant height, tillering ability, fruiting rate, and 1 000-grain weight were analyzed. At the same time, their adaptability to adverse stresses such as pests and diseases, lodging, and premature aging was investigated. Combined with green agricultural practices, such as substrate seedling cultivation, controlled-release fertilizer application, and green prevention and control technologies, their effects on rice growth and yield were evaluated. This study also selected typical varieties "Yongyou 33", "Jiangliangyou 7901", "Xiushui 1717" and "Jiahe 567" for case analysis to explore the synergistic relationship between variety traits, management mode and yield. The results show that the integration of high yield, high resistance and ecological cultivation is the key direction for achieving sustainable rice production. This study provides a practical basis and theoretical support for the green transformation of rice cultivation and variety promotion in East China. Keywords Rice; Growth traits; Physiological resistance; Ecological cultivation; Green agriculture 1 Introduction Damao Village, Jiashan County, is located in the hinterland of the Hangjiahu Plain in the Yangtze River Delta, at the junction of Jiashan, Zhejiang and Jinshan, Shanghai, with obvious location advantages. The base has a flat terrain, medium to high soil fertility, a complete ditch road network, and convenient transportation, which is conducive to the demonstration and radiation promotion of agricultural scientific and technological achievements. In recent years, relying on its location and scientific research strength, the local area has actively carried out demonstrations of new rice varieties, accelerated the promotion of excellent varieties, and injected new impetus into the high-quality development of the rice industry. The development and growth of the rice industry cannot be separated from the strong support of new and excellent varieties. As the core area of the grain production functional area of Jiashan County, Dahao Village has a good foundation and conditions for demonstrating new varieties. The promotion of new varieties is of great significance to ensuring food security and promoting the transformation of green agriculture. On the one hand, with the growth of population and the advancement of urbanization, the demand for rice continues to increase, and increasing yield is a key means to ensure food supply (Chen et al., 2024). The selection and application of new varieties have been proven to be one of the most effective ways to increase rice production. The coverage rate of improved varieties of major crops in my country has exceeded 96%, and the planting area of independently bred varieties accounts for more than 95%. The rice yield has increased from 457.4 kg/mu in 2016 to 469.6 kg/mu in 2020, and the promotion of new varieties has contributed greatly. On the other hand, new varieties often have better resistance and quality characteristics, which can reduce the input of pesticides and fertilizers, and meet the requirements of green and sustainable development (Blaise, 2021; Hang et
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