Pest control of flower disease in plum season

Before and after plum entry, the main common diseases of flower crops in our district are brown spot, leaf class disease and anthracnose, followed by root rot, stem rot and so on. in order to control the occurrence and spread of diseases in plum rain season, we should do a good job of prevention.

1. The occurrence of the disease: according to the observation in and around the observation area of this station, the average plant morbidity of rhododendron brown spot and leaf spot was 12.60% (4.0-33.0), and the average leaf disease rate was 3.65% (0.8-7.54). The average plant disease rate of tea plum anthracnose was 11.5% (3.00-17.00), the leaf disease rate was 1.89% (0.43-2.56), and the average plant disease rate of stem rot was 3.75%. The rate of Carthamus tinctorius is 7.00%, and the condition of the lost field is even more serious.

Second, suggestions for prevention and control: for chemical control, 70% Antai can be used to produce 69% Anke manganese zinc 800 times, anthracnose can be controlled with 80% thiram 700 times or 25% carbendazim manganese salt 500 times, stem rot can be controlled with 50% carbendazim 500 times or 50% carbendazim 300 times.