先正达 铜大师 77%氢氧化铜可湿性粉剂

评测依据

• review_count：9800
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["京东","天猫","拼多多"]
• time_range：{"from":"2026-06-25 10:15:42","to":"2026-06-25 10:15:42"}
• intros：{"brand_intro":"先正达是全球领先的农业科技公司，总部位于瑞士，2017年被中国化工收购，现属中化集团旗下。品牌在杀菌剂领域拥有百年积淀，铜制剂产品线覆盖全球。核心技术优势在于\"纳米级铜离子缓释技术\"和\"抗雨水冲刷配方\"。创始人故事可追溯至19世纪瑞士化工先驱，品控理念强调\"绿色植保\"，所有产品均通过欧盟和中国双重环保标准。","product_intro":"铜大师是先正达经典铜制剂产品，定位中高端市场，适用于果树、蔬菜、大田作物的细菌性病害。核心卖点：77%高含量氢氧化铜，杀菌力强；独特助剂系统使药液展着性优异，覆盖均匀；对作物安全，花期和幼果期可用。与竞品相比，其性价比突出（45元/100g），且对柑橘溃疡病、水稻白叶枯病、番茄青枯病等有特效。适用场景包括南方柑橘产区、北方蔬菜大棚。","key_specs":{"有效成分":"77%氢氧化铜（铜含量50%）","剂型":"可湿性粉剂（WP）","细度":"通过325目筛（≤44微米）","pH值":"6.0-7.0","持效期":"5-7天","适用作物":"柑橘、水稻、番茄、辣椒、西瓜"}}
• alt_products：[{"product_name":"先正达 铜大师 77%氢氧化铜可湿性粉剂","brand":"先正达（Syngenta）","model":"77% WP","price":45},{"product_name":"科迪华 可杀得叁仟 46%氢氧化铜水分散粒剂","brand":"科迪华（Corteva）","model":"46% WG","price":68},{"product_name":"龙灯 龙灯铜 30%王铜悬浮剂","brand":"龙灯（LongDeng）","model":"30% SC","price":35}]
• kol_quotes：[]
• scoring_breakdown：[{"source":"word_of_mouth","score":87.1,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价集中在性价比和防效上。优点：价格亲民，对溃疡病和青枯病效果明显，混配性好；缺点：可湿性粉剂易产生粉尘，需注意防护；部分用户反映在连续阴雨天气下持效期略短。专业评测认为其铜离子释放速度适中，适合预防性用药，但治疗性稍弱于科迪华产品。","source_count":3}},{"source":"objective","score":78.34863636363636,"weight":0.45,"confidence":0.5,"details":{"rating_avg":4.5,"price":45,"wom_score":87.1}},{"source":"user_review","score":90,"weight":0.2,"confidence":1,"details":{"rating_avg":4.5,"review_count":9800,"source":"product_reviews_aggregate"}}]
• method_version：v2
• search_visual：null