The present invention relates to sunflower plants (Helianthus annuus) being resistant to the plant disease downy mildew and especially to sunflower plants (Helianthus annuus) being resistant to the downy mildew disease causing pathogen Plasmopara halstedii. The present invention further relates to seeds and plant part of the present plants and to methods for identifying downy mildew resistant sunflower plants. Specifically, the present invention relates to Helianthus annuus plants being resistant to downy mildew disease wherein the resistance is provided by one or more amino acid substitutions in the homoserine kinase protein shown in SEQ ID No. 1 or a reduced expression of the gene encoding SEQ ID No.1.
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机译：本发明涉及对植物病霜霉病具有抗性的向日葵植物（ Helianthus annuus ），尤其涉及对引起霜霉病的向日葵植物（ Helianthus annuus ）具有抗性。病原体霍乱弧菌。本发明进一步涉及本发明植物的种子和植物部分以及鉴定耐霜霉病的向日葵植物的方法。具体而言，本发明涉及对霜霉病有抗性的向日葵（I'Helianthus annuus）植物，其中所述抗性由SEQ ID No.1所示的高丝氨酸激酶蛋白中的一个或多个氨基酸取代或还原的氨基酸提供。编码SEQ ID No.1的基因的表达。
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