PROBLEM TO BE SOLVED: To provide a method for improving salt tolerance of a plant so as to enable the cultivation of the plant in a high salt concentration environment.SOLUTION: The present invention relates to a method for improving salt tolerance of a plant, said method comprising suppressing or inhibiting the function of proline-rich extensin-like receptor kinase 13 (PERK13) of a plant to control the flow of sodium ions into the plant.SELECTED DRAWING: None【課題】高塩濃度環境下での栽培が可能となるように、植物体の耐塩性を向上させるための方法を提供する。【解決手段】植物体のＰＥＲＫ１３（Proline-rich extensin-like receptor kinase 13）の植物体内へのナトリウムイオンの流入を制御する機能を抑制又は阻害する、植物体の耐塩性向上方法。【選択図】なし
