| Effects of organic fertilizer extract on yield and quality of different watermelon varieties |
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| DOI：10.7606/j.issn.1000-7601.2022.04.11 |
| Key Words: watermelon organic fertilizer extract variety screening yield quality |
| Author Name | Affiliation | | WANG Wenyuan | College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China | | SUN Yudong | Huaiyin Institute of Agricultural Sciences, Huaiyin, Jiangsu 223001, China | | LI Jianming | College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China |
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| Abstract: |
| To select high\|quality organic watermelon varieties, choose appropriate nutrient solution combinations and provide theoretical basis and technical support for organic watermelon cultivation, five watermelon varieties were used as test materials and three organic nutrient solution formulations were created by mixing different amounts of organic extracts from pig, cow and sheep manure in this study. There were 15 treatments (T1~T15) combined with varieties and nutrient solutions. Eight indexes of single fruit quality, fruit shape index, yield, soluble solid, Vc, soluble protein, soluble sugar and reducing sugar were measured. The differences of the above\|mentioned indexes among the treatments were compared. The yield and quality indexes of each treatment were evaluated by factor analysis and from which high\|quality organic nutrient solution and variety combination were selected. The results showed that the coupling of nutrient solution and variety had a significant effect on the quality indexes of watermelon. The content of reducing sugar in T9 treatment (That is, the treatment of the coupling of the variety Z3 and the formula P3, represented by Z3P3, the same below) was the highest with 57.7 mg·g-1, and the content of reducing sugar in T7 treatment (Z3P1) was the lowest with 26.0 mg·g-1. The content of soluble sugar in T6(Z2P3) and T13 (Z5P1) treatment was the highest with 33.6 mg·g-1 and 33.9 mg·g-1 respectively. The content of soluble sugar in T7 (Z3P1) treatment was the lowest with 14.5 mg·g-1. The soluble solid content of T6 treatment was the highest with 14.0%, and that of T15(Z5P3) treatment was the lowest with 11.4%. The content of vitamin C in T5(Z2P2) treatment was the highest with 16.7 mg·100g-1, and the content of vitamin C in T4(Z2P1) treatment was the lowest with 9.7 mg·100g-1. Using factor analysis, the top 3 treatments were T9(Z3P3), T11(Z4P2) and T6(Z2P3). When organic nutrient solution formula 3 was applied, the yield and quality of 2011WH0045 and 2011WH0053 watermelon varieties were better. When organic nutrient solution formula 2 was applied, the yield and quality of 2011WH0057 watermelon varieties were better. |
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