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1971年我们在江津县瑯山公社西关大队第七生产队试用代森铵(山东省张店农药厂产品,50%水溶液)防治柑桔溃疡病,取得一定效果。该队有溃疡病树43株(其中甜橙幼树23株,甜橙结果树12株,红桔结果树8株),一般发病都较严重,有的病树茎刺上都有病斑。试用前将病树作了不同程度的修剪,于三月、四月连喷0.3%波尔多液两次,因病情未控制住,五月以后改喷代森铵(800—500倍),每隔15—20天喷药一次,连续喷射七次,到当年冬季检查,这43株树都没有再发病。在相邻的西关六队有17株甜橙病树,连续喷布波尔多液(0.5:2:100)六次,虽然以后亦未再发病,但引起锈壁虱等严重为害,且对果实和叶片发
In 1971, we experimented on behalf of the seventh production team of Xiguan Brigade of Langshan Commune in Jiangjin County to prevent and cure citrus canker disease with certain effects. The team has 43 strains of ulcer disease (including 23 young sweet orange trees, 12 sweet orange fruit trees, 8 red orange fruit trees), the general incidence is more serious, and some disease stems are stabbed on the lesion. Trial before the tree was made to varying degrees of pruning, in March, April even spray 0.3% Bordeaux mixture twice, due to uncontrolled disease, May after spraying ammonium spray (800-500 times), every 15-20 days spraying once, continuous injection seven times, to the year winter inspection, these 43 trees are no further disease. In the adjacent West 6 teams have 17 orange tree disease, continuous spraying of Bordeaux mixture (0.5: 2: 100) six times, although no recurrence later, but caused serious damage such as rust ticks and fruit and Leaf hair