了解和掌握柑桔在本地区的物候期以及梢、果生长发育规律,是柑桔田间档案的重要内容。它对制定和完善相应的栽培管理技术,实现低成本、高效益地发展本地区柑桔生产均具有较高的实用价值。 一、材料和方法 有关观测均在本场柑桔13队进行。分别选择“市文”、“山川”、“上野”、“石塚’、“德森”等特早熟品 Understanding and mastering citrus in the region’s phenology and shoot, fruit growth and development of law, citrus field file is an important part. It has a high practical value for formulating and perfecting the corresponding cultivation and management techniques, and realizing the low-cost and high-efficient development of the citrus production in the region. First, materials and methods The observations were made in the field 13 teams of oranges. Select “City text”, “mountains”, “Ueno”, “Ishizuka”, “Dessen” and other special precooked