Root water potential and root growth potential had strongly correlated, and should be considered as the main indicators for physiological and vigor.
苗木根系水势和根生长潜力回归极显著，是苗木质量评价重要的生理指标和活力指标。
The results showed: (1) SAB 3 had the characters of strong root system, dark green leaves, high yield potential, good resistance and longer stage of vegetative growth.
结果表明：（1） SAB- 3根系发达，叶色深绿，丰产性好，抗性强，营养生长期较长；
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