Identification and Chemical Control of Stem Canker Pathogen of <i>Idesia polycarpa</i>.

ABSTRACT: Idesia polycarpa is an important woody oilseed tree crucial for ensuring China's grain and oil security. The expansion of I. polycarpa plantations has been accompanied by an increase in pests and diseases, with canker disease recently observed in two forests in Henan Province. Field surveys revealed a disease incidence of 70.12% among 328 surveyed trees, indicating a substantial threat to plantation health. The most virulent pathogen, strain SQ5, was identified as Botryosphaeria dothidea through molecular sequencing and morphological analyses. Strain SQ5 showed an optimum growth temperature of 25 °C and a mycelial lethal temperature of 60 °C. The pathogen thrives in acidic conditions and is promoted by light, with the ability to utilize various carbon and nitrogen sour

SUBMITTER: Feng J 

PROVIDER: S-EPMC12073612 | biostudies-literature | 2025 May

REPOSITORIES: biostudies-literature