Effect of Different Seeding Measures on Emergence and Seedling Quality of Atractylodes japonica Koidz.ex Kitam(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effect of Different Seeding Measures on Emergence and Seedling Quality of Atractylodes japonica Koidz.ex Kitam

Author(s):: PIAO Jin; WANG Kun; YAN Yi-zi; JU Hong-guang; Department of Agronomy,Yanbian University,Longjing,Jilin 133400

Keywords:: Atractylodes japonica; soil matrix; thickness of overlying soil; temperature; seedling emergence

Abstract:: Taking the Atractylodes japonica Koidz.ex Kitam seeds as materials,the effect of soil matrix and overlying soil thickness on seed emergence and seedling quality under different temperature conditions were studied.The results showed that the emergence rate and the total survival rate of Atractylodes japonica in silty loam were the highest，which reached 35.4% and 71.9%.Although clay loam unearthed rate was not high，but its total survival rate could reach 69.8%.From the emergence rate，seedling fresh weight and the total survival rate of Atractylodes japonica，the appropriate overlying soil thickness was 4 cm when the temperature was 15℃，and the appropriate covering thickness was 3 cm when the temperature was 20℃.The Atractylodes japonica emergence time was 20 d under 15℃，which was 8 d later than 20℃，but its germination rate and total survival rate were higher than 20℃.

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Last Update: 2014-08-26