Effect of Seedling Density Paclobutrazol Consistency and Treatment Time on Seedling Quality of Tomato

doi:10.3321/j.issn:1000-7091.1997.02.025

Abstract

Abstract: The experiment was designed in squaring and regressive rotation with three factors to study the effect of seedling density and paclobutrazol and its applied time on seedling quality.Paclobutrazol can retard seedling futile growth more strongly under normal density than under high density.Paclobutrazol can increase the rate of photosynthesis of seedling under both low and high density.Paclobutrazol also can increase proline amount containd in seedling,especially under high density and high paclobutrazol consistency,the proline amount is intensively increased.This means that seedling was stressed.During raise seedling the method to apply a deal of paclobutrazol to retard fugile growth is not appropriate.

Key words: Tomato, Paclobutrazol, Raise seedling, Density, Proline, Photosynthesis

CLC Number:

S641.204

Lu Yuhua, Shen Yumei, Pang Jin an. Effect of Seedling Density Paclobutrazol Consistency and Treatment Time on Seedling Quality of Tomato[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1997, 12(2): 131-135. doi: 10.3321/j.issn:1000-7091.1997.02.025.

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