为增强压砂西瓜产业活力，筛选出在砂田种植条件下具备发展潜力的大果型西瓜品种，在宁夏压砂西瓜核心产区对选取的8个大果型西瓜品种，从生长势、抗病性、果实性状和产量等方面综合分析了各品种的特征特性。结果表明，供试品种1912主蔓长、节间长优势较高，蔓粗最粗，枯萎病、霜霉病、白粉病和炭疽病发病率均为最低，抗病性表现最优，综合表现突出。该品种果实横径最大，为245.80 mm；果实纵径较大，为333.90 mm；果实中心糖度、边缘糖度均为最高，分别为12.80%、9.60%；单瓜质量最高，为9.04 kg，较对照品种金城红金五高0.53 kg；商品率较高，为91.33%；西瓜折合产量和商品瓜折合产量也最高，分别为31 391.20、28 669.58 kg/hm2，较对照品种金城红金五分别增产6.24%、5.47%。综合以上各项性状表现，认为1912种植优势突出，适宜在砂田种植模式进一步推广。

In order to enhance the vitality of gravel-mulched watermelon industry, large-fruit watermelon varieties with development potential under gravel-mulched field planting conditions were selected in this study. 8 large-fruited watermelon varieties were selected to comprehensively compare the agronomy characters under the sand field planting mode from the perspectives of growth potential, disease resistance, fruit characters and yields. The results showed that the main vine length and internode length of the tested variety 1912 were relatively higher, the vine diameter was the thickest, the disease resistance was the best with the lowest the incidence of fusarium wilt, downy mildew, powdery mildew and anthracnose, and the comprehensive performance was ideal. The fruit transverse diameter of this variety was the largest, which was 245.80 mm. The fruit longitudinal diameter was relatively higher which was 333.90 mm. The sugar content of fruit center and edge of 1912 was the highest, which was 12.80% and 9.60%, respectively. The single fruit weight of 1912 was the highest, reaching 9.04 kg which was 0.53 kg higher than that of the control variety Jinchenghongjinwu. Commodity rate of 1912 was 91.33%. The yield and commodity melonyield of 1 912 were the highest, which were 31 391.20 kg/ha and 28 669.58 kg/ha, respectively, which were 6.24 % and 5.47 % higher than the control variety Jinchenghongjinwu. Based on the comprehensive performance of the various traits, 1912 had outstanding advantages and was suitable for further promotion in the sand field planting mode.

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宁夏回族自治区2021年农业特色产业良种繁育基地建设项目[宁农(种)发〔2021〕4号]。