Significant positive correlation coefficient was found between drought resistance and root dry weight.
结果表明：幼苗的抗旱性与根干重呈显著正相关。
The drought-resistance coefficient of three-way hybrid was 51.21%, higher than related single cross hybrid's 44.8%, 25.88%.
抗旱鉴定结果表明，水早稻三交种的抗旱系数为51.21%，高于两对照单交种的44.8%和25.88%。
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