EVALUATION OF THE ABILITY TO GROW, YIELD AND QUALITY OF SOME VARIETIES OF MELONS (Cucumis melo L.) IN THE GREEN HOUSE, SPRING-SUMMER 2022, THAI NGUYEN PROVINCE
The experiment evaluated the growth, yield and quality of 6 varieties of melons (04 varieties imported from Korea: Nami 102, M108, Bach Kim and Hanok No.1, and 2 new hybrid varieties from the Institute of Fruit and Vegetable Research: Happy 6 and Happy 7). The experiment was conducted in the Summer 2022 in the green house of Thai Nguyen University of Agriculture and Forestry. The results of the study showed that melons have a growing time from 95 to 107 days. The group of big melon varieties (Nami 102, M108, Bach kim) has strong growth capacity, but the infection rate of powdery mildew and nematodes was higher than other varieties, thus affecting the actual yield of the variety. Some high-yielding varieties such as Happy 6, Hanok No.1, Bach Kim have yields from 22.4 to 24.1 quintals/1000 m2. The studied varieties have brix from 11.2 to 14.8%, vitamin C from 60.67 to 74.23mg, total sugar: 4.37 - 6.26%, dry matter from 7.99 to 15.62%. The group of small-fruited melon varieties (Happy 6, Happy 7 and Hanok No.1) have higher brix, total sugar and dry matter than the rest of the varieties. In addition, Happy 6 and Happy 7 varieties are fragrant when ripe.
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