Vip3Aa抗性会削弱Cry蛋白防效吗？——最新棉铃虫研究给出答案：无稳定交互抗性，且存在协同作用
Bt转基因作物在过去数十年显著提升了害虫防控效率，但美洲棉铃虫等重要害虫已对Cry类蛋白产生广泛的田间抗性。在这一背景下，Vip3Aa作为与Cry作用机制不同的Bt毒素，被广泛应用于新一代多毒素（金字塔）转基因作物中，并成为当前维持防效的核心成分。然而，Vip3Aa抗性风险在美洲棉铃虫中已开始显现，其长期稳定性受到关注。因此，明确两个关键问题尤为重要：
中美欧农药管理的本质差异：谁在生产、如何准入、怎样追溯？
美国是″风险—收益权衡型″的农药管理；欧盟是″预防原则—高保护水平型″的农药管理；中国是″行政秩序—质量安全—产业治理型″的农药管理。
美国司法部与农业部联合行动，拜耳种子销售激励条款受限至少七年
世界农化网中文网报道：2026年5月20日，美国司法部反垄断局（Antitrust Division）宣布，拜耳作物科学公司已同意从其对独立种子公司提供的激励机制″卓越表现计划″（″Premier Performance Program″）中，删除若干可能损害农业种子市场竞争的条款，并承诺在未来至少七年内不会恢复这些受到质疑的条款。此次变更与一项针对美国玉米和大豆种子销售中竞争问题的持续性联邦调查有关。
Looming Beef Market Access Issues Create Uncertainty
May 2026, AU: Looming beef market access issues may threaten to affect the bright demand outlook for Australian beef ove…
World Food Safety Day / Programme Of Events Published
May 2026, Rome: As we gear up for this year’s celebrations, the World Food Safety Day team has put together a “Programme…
Registration Now Open for the 20th Annual Iowa Hunger Summit
May 2026, Iowa: Today, the World Food Prize Foundation announced registration is now open for the 2026 Iowa Hu…
Building First Nations Pathways Into Biosecurity
May 2026, AU: The department has partnered with the Aboriginal Health and Medical Research Council to deliver a 12-week …
Puig shares drop as Estée Lauder walks away
Estée Lauder Companies (ELC) has pulled the plug on the Puig merger. The companies officially confirmed discussions of the merger on March 23, ultimately resulting in the termination of the talks announced on May 21.
Swissveg Price Comparison 2026: Plant-Based Milk Achieves Price Parity in Swiss Retail
According to a recent survey by Swissveg, plant-based milk alternatives in Swiss shops have largely caught up with their animal-based counterparts in terms of price. However, there are still significant price differences when it comes to yoghurt and cheese alternatives.
NYSCC Suppliers’ Day 2026: Syensqo recovers curls with biodegradable polymers
Syensqo showcased its biodegradable bio-based polymers for scalp care applications at NYSCC Suppliers’ Day 2026 in New York City, US (May 19–20). The company highlighted its ingredients’ eco-responsible benefits, efficacies, and appeal for the North American beauty market.