NaCl胁迫对3个番茄品种生长发育及产量的影响

研究了不同浓度NaCl处理对浙杂204、浙杂502和浙杂809共3个番茄品种生育期、主要植株性状、果实性状及产量的影响。结果表明,3个番茄品种的生育期在盐胁迫下较CK而缩短;产量随着NaCl处理浓度的升高而显著减小;可溶性固形物含量随NaCl处理浓度的升高而有所增加,其中,浙杂809可溶性固形物含量随着NaCl处理浓度的升高增加最大;3个供试品种的耐盐性,从强到弱依次是浙杂809、浙杂204和浙杂502。120 mmol.L-1浓度可以作为番茄品种的耐盐性参考筛选浓度。

Effects of NaCl stress on tomato growth and yield

In this study,we investigated the growth and development period,plant trait,fruit trait and yield of tomato under NaCl stress with different concentrations(20,40,60,80,100,120 mmol·L-1).Compared with the control group,their periods of growth and development were shortened;plant yields were reduced;the soluble sugar contents were increased,and the soluble sugar content of Zheza809 was highest.Comparison of salt toler-ance showed that Zheza809 > Zheza204 > Zheza502.Moreover,the conclusion also showed that 120 mmol·L-1 NaCl was appropriate to test the salt tolerance of tomato.