不同种植密度下施肥量对黄芩根系生长的影响

doi:10.3969/j.issn.2096-1197.2019.03.08

Abstract

Abstract: In order to improve the yield and standardized production of Scutellaria baicalensis,the effects of different fertilization levels and densities on root morphological indexes and the dry and fresh weights of Scutellaria baicalensis seedlings cultured in greenhouse were studied.The underground parts of Scutellaria baicalensis were collected at 45,70,95,120 and 145 days after emergence.The length,surface area,volume,diameter and dry and fresh weight of the main roots were measured.Suitable amounts of fertilizer can promote root growth and speed up the growth of Scutellaria baicalensis.Under the experimental conditions,the morphological indexes of the medicinal parts of Scutellaria baicalensis under the F2 （330.00 kg/hm² phosphate+64.65 kg/hm² urea） treatment were better than those of other treatments,and the growth rate was faster than with the other treatments.The increase of density affected the root growth of Scutellaria baicalensis.

Key words: Scutellaria baicalensis, Morphological indexes, Fertilization, Density

CLC Number:

S567.239

WANG Jing, SHENG Jinhua, ZHANG Xiongjie, LIU Jie, LI Xiaoji. Effect of fertilization on the root growth of Scutellaria baicalensis in different planting densities[J].Journal of Northern Agriculture, 2019, 47(3): 41-45.

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Effect of fertilization on the root growth of Scutellaria baicalensis in different planting densities

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