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《China Rice》 2018-03
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Effects of Different Seed Dressing Treatments on Seedling Quality of Mechanical Transplanting Super Rice

MAI Yingxiao;HUANG Huiling;CHENG Siren;SUN Xiaoluan;TANG Xiangru;College of Agriculture, South China Agricultural University;Scientific Observing and Experimental Station of Crop Cultivation in South China, Ministry of Agriculture;  
Committed to improving the large-scale popularization and application of super rice mechanized production technology, the experiment was carried out to study different seed dressing treatments on seedling quality of super rice, using Wufengyou 615 as ma-terial. The result showed that 4 seed dressing treatments had a significant effect on the seedlings. The seedlings using seed dressing could effectively reduce the height, significantly increased the number of green leaves, leaf age and SPAD value. When seedling age was 28 days, the average stem base width were increased by 8.21%~32.70% compared to CK. The root system of seedling treated by seed dressing was more developed, the white roots and total root number and underground dry weight were improved. The seedling es-tablishment rate were increased by 5.49%~24.73%. In addition, compared with CK, the POD activity, the average free proline content and the soluble protein content were increased by 32.61%, 163.42% and 14.67% respectively. Among them, the effect of B4 treatment was better.
【Fund】: 国家级大学生创新创业训练项目(201510564001);; 广东省发展粮食生产专项资金(F15025);; 广东省高水平大学建设专项资金(215504)
【CateGory Index】: S511
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