潍坊三大举措助力突破品种选育瓶颈，良种覆盖率达98%以上

Core Viewpoint - Weifang City is actively enhancing its agricultural productivity and food security through the development of high-quality seed varieties and a comprehensive seed industry system [1][3]. Group 1: Seed Variety Development - Weifang has cultivated 27 high-quality and high-yield grain and oilseed varieties, achieving a major crop seed coverage rate of over 98% [1][5]. - The city has implemented policies to accelerate the research and development of new seed varieties, focusing on wheat and corn, with several varieties already approved at the national level [3][6]. Group 2: Demonstration and Promotion - Weifang has established a demonstration system for new crop varieties, setting up 10 demonstration sites to showcase the advantages of new varieties to farmers [5][6]. - The promotion of new varieties has significantly increased the planting area of high-yield and disease-resistant wheat and corn varieties in the region [5][6]. Group 3: Seed Breeding and Production - The city has built 180,000 acres of wheat seed breeding bases, producing 90 million kilograms of wheat seeds annually, ensuring a stable supply of quality seeds for agricultural production [6][7]. - Weifang is focusing on expanding the scale of seed breeding and enhancing the application of superior varieties in agriculture [6][7].