[Objective]The aim was to study the occurrence regularity of fruit physiological disease spongy tissue in Zihua mango(Mangifera indica L.).[Method]Main features
The spider resources in tea plantations in Enshi region have been investigated and 51 species of spiders belonging to 22 families have been identified in the pa
The pathogen and characteristics, infection cycle, occurrence regularity and damage symptoms of tomato bacterial pith necrosis are introduced in the paper. To c