|Table of Contents|

Effects of Sowing Date on Growth and Early-bolting of Angelica dahurica Seedlings

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2025年4
Page:
97-103
Research Field:
Publishing date:

Info

Title:
Effects of Sowing Date on Growth and Early-bolting of Angelica dahurica Seedlings
Author(s):
WU PingGUO JunxiaWANG XiaoyuZHANG SonglinZHANG MeiLI Qingmiao
(Institute of TCM Medicinal Resources and Cultivation,Sichuan Academy of Traditional Chinese Medicine Sciences/Sichuan Genuine Medicinal Materials System Development Engineering Technology Research Center/Sichuan Key Laboratory of Quality and Innovation of Traditional Chinese Medicine,Chengdu,Sichuan 610041)
Keywords:
Angelica dahuricasowing dateagronomic traitearly-boltingendogenous hormones
PACS:
S 853.75
DOI:
10.11937/bfyy.20243155
Abstract:
Taking Angelica dahurica as the test material,seeding was carried out on September 15th,October 12th,November 10th,December 7th,and January 6th,2023,the effects of different seeding periods on the agronomic traits of Angelica dahurica seedlings,the hormone content levels in different parts,and the early-bolting rate were studied,in order to provide reference for the efficient cultivation of Angelica dahurica.The results showed that the plant height,aboveground fresh weight,root length,root diameter and underground fresh weight of Angelica dahurica seedlings decreased gradually with the delay of sowing date.The effects of the sowing date on the agronomic traits of Angelica dahurica was underground fresh weight>aboveground fresh weight>plant height>root diameter>root length.The sowing date had a significant effect on the early-bolting rate of Angelica dahurica,and showed a decreasing trend with the delay of sowing date.The results of correlation analysis showed that the early-bolting rate of Angelica dahurica was positively correlated with the agronomic traits and effective accumulated temperature of seedlings at different sowing dates,and was closely related to plant endogenous hormones,it was positively correlated with the contents of JA and SA in petiole,the correlation coefficients were 0.968 and 0.962,respectively,and positively correlated with the contents of ACC and ZT in leaf,and the contents of IAA in petiole and root,the correlation coefficients were 0.934,0.916,0.903 and 0.909 respectively.In conclusion,proper delay of sowing date can effectively alleviate the early-bolting of Angelica dahurica.

References:

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Last Update: 2025-02-28