Effects of transplant density on the growth, development, officinale yield and quality of Radix hedysari

doi:10.11686/cyxb20140319

Abstract

Abstract: Radix hedysari plants were cultivated at different transplant densities (30 cm between rows and 10, 15, 20, 25 and 30 cm within rows) to explore the adaptive transplant density for cultivating the plant and to provide evidence for its standardized production in the south of Gansu. When the transplant row distance was 30 cm, the plant population yield reduced significantly with the wider plant spacing, but the officinale yield and quality for the individual plants increased. When the plant spacing was 25 cm, the transplanted plants showed the highest survival rate with strong plants, the highest ratio of roots to shoots, thick main stems, high yield and good quality for the individual plants with fewer side roots, long and big main roots, resulting in good quality of officinale roots. Compared with the 30 cm in row distance (the traditional cultivated density), the officinale yield at a density of 25 cm in row spacing was increased by 14.8% in fresh weight and by 22.1% in dry weight. The above results showed that that 25 cm in row spacing and 30 cm between row distance (25 cm×30 cm), i.e. 133 thousand plants per hectare, is the optimal density for cultivating Radix hedysari in the south of Gansu.

CLC Number:

S567.904

ZHAO Rui-ming,SUN Lian-hu,GUO Feng-xia,CHEN Yuan,TIAN Sheng-hua. Effects of transplant density on the growth, development, officinale yield and quality of Radix hedysari[J]. Acta Prataculturae Sinica, 2014, 23(3): 167-174.

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