Histology and cytology observation on the rot disease of Laminaria japonica caused by alginic acid decomposing bacteria;

The infection tests showed that the alginic acid decomposing bacteria isolated were the main pathogenic bacteria which caused the rot disease of Laminaria japonica.

In order to study the physiological and biochemical Changes of Laminaria japonica in the process of rot disease, Laminaria japonica was induced to rot disease under the experimentally ecological conditions, and the changes of 4 indices (including soluble sugar, soluble protein, total antioxidative ability and superoxide dismutase (SOD)) were measured during the experiment.

Pathogeny Study on Tail-rot Disease in Marine Cage-cultured Pesudociaena crocea;

The tail-rot disease of Pseudosciaena crocea is one of the major diseases in marine cage-cultured Pseudosciaena crocea in Zhoushan.

Study on a bacterial red-rotting disease of Porphyra haitanensis (Bangiales, Rhodophyta);

Study on Apple-tree Canker on the Peak Fruit Period in Weibei Area of Shaanxi;

The pathogenic fungi of pear canker disease is a new veriety.

Occurring Characteristics and Control Measure of Crocus Bulb Rot in Storage;

It was found that the sweetpotato rot greatly harmed the crops.

This paper makes research on the symptoms, etiology of the rot of poplar in northern part of Shanxi Province and the relation between occurred harms and environment, and puts forward some countermeasures and opinions for harnessing.