草莓个头大是用膨大剂了吗

Core Viewpoint - The article discusses the use of growth regulators in strawberry cultivation, addressing common misconceptions and emphasizing that larger strawberries do not necessarily indicate the use of such chemicals [1][2]. Group 1: Use of Growth Regulators - Growth regulators, specifically chlorophenylurea (CPPU), are not new or banned chemicals and are used to enhance fruit size by regulating plant hormones [1]. - Local strawberry growers in Longkou City, Shandong Province, report that they do not rely on growth regulators, as their main variety, "Zhang Ji," does not exhibit the characteristics of treated strawberries [1][2]. - The use of growth regulators can lead to softer fruit that is less suitable for storage and transport, making it economically unviable for growers who sell strawberries online [1]. Group 2: Factors Influencing Strawberry Size - The increase in average strawberry size is attributed to the introduction of new varieties such as "Zhang Ji" and "Xiang Ye," which are larger, earlier-ripening, and sweeter [2]. - Improved cultivation techniques, including light and temperature control, flower and fruit thinning, and precise water and fertilizer management, contribute to better fruit quality and market alignment [2]. Group 3: Quality Control and Safety - China has established a comprehensive agricultural product quality safety supervision system, with local regulatory bodies conducting random inspections to ensure compliance with safety standards [3].