A Preliminary Study on Root Growth Dynamics of Spring Wheat

doi:10.3321/j.issn:1000-7091.1993.01.018

Abstract

Abstract: Root growth dynamics of four spring wheat varieties in different nitrogen levels and under no-irrigated conditions were observed by using minirhizotron technique.The growth dynamics of above-ground parts investigated by the method of fixed sample.Below- and above-ground biomass in ripening stage was also measured.After 54 days of seedling emergence the root amounts reached maximum level.Root biomass of plants fertilized with 37.5g/m² of pure nitrogen was less than that of the plants fertilized with 22.5g/m² of nitrogen.Otherwise, the state of the above-ground biomass was opposite.The specific value of the below- and above-ground biomass of the plants under no-irrigated condition was greater than that under irrigated condition.

Key words: Spring wheat, Root system, Growth dynamics, Biomass

Zhao Alfen, Huang Xuewen. A Preliminary Study on Root Growth Dynamics of Spring Wheat[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1993, 8(1): 88-93. doi: 10.3321/j.issn:1000-7091.1993.01.018.

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