Plant growth promoting characteristics of soil yeast (Candida tropicalis HY) and its effectiveness for promoting rice growth

► Candida tropicalis HY (CtHY) produces plant growth regulators and mobilizes insoluble phosphate. ► Application of CtHY on rice seedlings increased root growth by 16-35%. ► Colonization of CtHY on rice roots persisted for at least 3 weeks.