A heat-resistant tomato plant having a high ability to form fruits having seeds under high temperature conditions is provided. The present invention relates to a method for producing a heat-resistant tomato plant, comprising introducing a genetic mutation that improves the pollen survival rate under high-temperature conditions and the ability to form seed-bearing fruits to the tomato plant as compared to the wild type, and The present invention relates to a heat-resistant tomato plant into which the mutation has been introduced.高温条件下での種子を有する果実の形成能が高い耐暑性トマト植物が提供される。本発明は、野生型と比較して高温条件下における花粉生存率及び種子を有する果実の形成能を向上させる遺伝的変異を、トマト植物に導入することを含む、耐暑性トマト植物の作出方法及び該変異を導入した耐暑性トマト植物に関する。
