|Table of Contents|

Effects of Different Plant Growth Regulators on Morphological Characters and Dry Matter Accumulation ofAndrographis paniculata

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年12
Page:
111-116
Research Field:
Publishing date:

Info

Title:
Effects of Different Plant Growth Regulators on Morphological Characters and Dry Matter Accumulation ofAndrographis paniculata
Author(s):
CHEN Dongliang; JIAN Shaofen; WEI Kunhua; MIAO Jianhua; ZHONG Chu
(Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement，Guangxi Botanical Garden of Medicinal Plants，Nanning，Guangxi 530023)
Keywords:
Andrographis paniculata; plant growth regulator; dry matter accumulation
PACS:
-
DOI:
10.11937/bfyy.20203297
Abstract:
The Guangxi local variety Andrographis paniculata was used as test material，and the greenhouse potting method was adopted，five commonly used plant growth regulators in production were selected to research the effects of different plant growth regulators on morphological characters and dry matter accumulation of Androgrcaphis paniculata，including NAA，6-BA，eBR，CCC and GA3,in order to provide reference for increasing the yield of Chinese medicinal materials.The results showed that the treatments of 200 mg·L-1，400 mg·L-1 and 600 mg·L-1 GA3 could significantly increase the plant height of Andrographis paniculata (P<0.05)，and the leaves were obviously enlarged.Among them，spraying 400 mg·L-1 GA3 increased the plant height extremely significantly (P<0.01)，and spraying 400 mg·L-1 GA3，the biomass of single plant significantly increased by 20.97% (P<0.05)，but the leaf-to-stem ratio decreased while increasing the biomass per plant.Although the biomass of single plant of Andrographis paniculata in each CCC treatments decreased in different degrees，50 mg·L-1 CCC could significantly increase the leaf-to-stem ratio (P<0.05).Each treatment concentration of 6-BA and NAA inhibited dry matter accumulation on Andrographis paniculata.In summary，spraying 400 mg·L-1 GA3 can significantly increase the biomass of single plant，but 6-BA and NAA are not suitable for the production of Andrographis paniculata.

References:

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Last Update: 2021-09-27