关键词: 西葫芦, 京葫CRV4, 抗ZYMY, 一代杂种

Abstract: ‘Jinghu CRV4’ is a new summer squash F₁ hybrid bred by crossing inbred line‘ 08-19-15-29-18-20-58’ as female parent with‘ 06-2-6-38-15-26-18’ as male parent. It was developed by combining marker-assisted selection technology with traditional breeding methods. It is an early maturing variety with mid-vigorous plant growth，short nods and continuous fruit setting ability. Its fruit has glossy light green rind. The plant is of mid-tall cylinder shape with straight and equal size fruit. It is tolerant to high temperature and not easy to premature aging. It has high resistance to ZYMV（Zucchini yellow masaic vius） and powdery mildew. It is suitable to be cultivated in protected and open fields both in southern and northern China.

Key words: Summer squash；&lsquo, Jinghu CRV4&rsquo, ；Resistant to ZYMY；F₁ hybrid