论文部分内容阅读
一、试验材料与方法1.试验材料:选用D801农用杀菌药物与多种微量元素复方的杀菌剂,其含量为25%。拌种用种子为长白落叶松,质量为2等。喷洒用幼苗为生长初期的长白落叶松幼苗。2.试验方法;用D801防治落叶松播种幼苗立枯病试验,是在不进行硫酸铜浸种、硫酸亚铁土壤消毒和波尔多液喷洒幼苗的前提下进行的。试验地分设一、二两个区。一区为拌种试验区,二区为喷洒幼苗试验区。一区面积240平方米,分设1、2、3床号,用D801拌种播种床为2号,面积80平方米,设
First, the test materials and methods 1. Test Materials: Selection of D801 agricultural bactericidal drugs and trace elements in a variety of fungicides, its content was 25%. Seed dressing for the Changbai Larch, the quality of 2 and so on. The sprayed seedlings are Larix olgensis seedlings at the initial stage of growth. Test methods; D801 prevention and control larch seedling blight test is carried out without copper sulfate soaking, ferrous sulfate soil disinfection and Bordeaux mixture spraying seedlings under the premise. Experimentally set up one or two districts. A region for the seed dressing test area, the second area for spraying seedling test area. A district area of 240 square meters, divided into 1, 2, 3 bed number, with D801 seed dressing planted bed No. 2, an area of 80 square meters, set