Home > IV Asian Horticultural Congress – AHC2023 > Seed dormancy of Andrographis paniculate (Burm. f.) Wall. ex Nees and its relationship with seed maturity stages and after ripening period

Articles

Seed dormancy of Andrographis paniculate (Burm. f.) Wall. ex Nees and its relationship with seed maturity stages and after ripening period

Article number

1404_3

Pages

19 – 26

Language

English

Abstract

Andrographis paniculata (Burm. f.) Wall. ex Nees, known as the king of bitterness, is one of the important medicinal plants used in phytopharmaceuticals.
The problem with these seeds is dormancy, which needs to be resolved properly.
This study aimed to determine the seed’s physiological maturity, learn the mechanism of seed dormancy, and obtain the method for breaking seed dormancy.
The first experiment used a split-plot design, with the after-ripening period as the main plot and seed maturity stages as the sub-plot.
The second experiment was conducted using a complete randomized design, the first factor was physiological maturity stages, and the second factor was breaking dormancy.
The seed’s physiological maturity was reached at 26 days after anthesis (DAA) based on germination percentage, vigor index, and speed of germination.
The dormant intensity decreased with the increase of seed maturity because the GA₃/ABA ratio increased.
Seed dormancy was broken in the 12^th week after ripening, with the highest germination (67%) and vigor index (54%), and not significantly different with the 13^th week after ripening (69 and 55%). Chemical scarification treatment using 5% H₂SO₄ significantly increased germination percentage, vigor index, and speed of germination compared to the control.
Soaking seeds using 0.2% KNO₃, 100 ppm kinetin, 100 ppm GA₃, (100 ppm GA₃ + 100 ppm kinetin) on scarified seeds significantly increased seed viability and vigor.
Scarification treatment followed by 100 ppm GA₃ soaking was most effective in breaking seed dormancy at all stages of seed maturity (22, 23, 24, 25, and 26 DAA). The type of Andrographis paniculata seed dormancy is considered morphophysiological dormancy.

Publication

IV Asian Horticultural Congress – AHC2023

Authors

B.T. Gundala, E. Widajati, S. Ilyas

Keywords

breaking dormancy, chemical scarification, dormant intensity, GA₃/ABA ratio, germination, morphophysiological dormancy, seed vigor

Full text

https://doi.org/10.17660/ActaHortic.2024.1404.3

Groups involved

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181. Effects of rain-protected culture in a plastic greenhouse using the whole harvest cultivation method for one-year-old asparagus plants

S. Yamashita | K. Seimiya | K. Yamafuji | T. Taguchi | S. Motoki

182. Estimation of the light extinction coefficients of lateral asparagus ferns using a numerical method

T. Kuroyanagi | H. Yoshikoshi | M. Hikawa-Endo

183. Glycine betaine material affects the growth and yield of asparagus in the long-term harvest production system in a semi-forcing culture

F. Satake | K. Okada | Y. Yoshida | W. Sakata | S. Motoki

184. Mounding increases the rate of thick spears of asparagus

K. Suzuki | Y. Ayabe | A. Kato | S. Motoki

185. Investigation of nutrient solution management in hydroponics using organic fertilizer

T. Endoh | M. Takagaki | P. Suwitchyanon | C. Chaturong

186. Effect of different cultivation methods and environments on the growth and yield of Shimonita-Negi

M. Okabe | K. Obokata | T. Hirose | Y. Hashida

187. Predicting corn salad (Valerianella spp.) weight in a plant factory with artificial lighting (PFAL) using K-Nearest Neighbors algorithm (KNN)

S. Dhammayorddee | C. Chanseetis | A. Kato | M. Takagaki | N. Lookin

188. The effect of water and fertilizer types on growth and yield of supan-supan (Neptunia oleracea) cultivated on flooded Ultisol media

H. Susanti | J. Purnomo | O.A. Kumadawara

189. Effect of low sunlight and high temperature during flower bud differentiation on the cut flower quality of carnation ‘Cherry Tessino’

S. Kamachi | R. Sakai | S. Nagashima | S. Mori

190. Deficit irrigation and fertilizer rates affecting growth, flower quality and physiological changes in tuberous begonia grown in plant factory

C. Inkham | K. Panjama | S. Ruamrungsri

191. Growth and flowering characteristics of Calendula under different light spectra in a controlled environment

M. Munyanont | N. Lu | T. Joilek | D.F. Rachma | M. Takagaki

192. Selection of optimal marigold (Tagetes patula) cultivar as an edible flower in a plant factory

N.Y. Kwak | B.H. Sung | K.P.S. Kumaratenna | Y.Y. Cho

193. Promoting flower yields, photosynthetic pigments and some secondary metabolite in Marguerite daisy (Chrysanthemum frutescens L.) cut flower under the smart farming system by pinching technique

Y. Luekhampa | C. Seelatlao | W. Chareontham | J. Sanitchon | P. Hongpakdee

194. Nutrient deficiencies affect growth and development of vinca

S. Ruamrungsri | C. Inkham | K. Panjama

195. Relationship between Asian ginseng decline and soil chemical property

Md.A.A. Mahmud | Y. Matsubara | T. Ikezawa

196. Influence of different flower vases on the impression of cut flowers

Y. Mitarai

197. Effects of different LED light spectrum on growth and cannabinoid contents of Cannabis sativa L. hybrid ‘KKU’ cultivars under an indoor pot cultivation

P. Nounbunma | P. Hongpakdee | J. Paluka | C. Lapjit

198. Effects of cultivation environmental factors on the growth of the edible cactus (Nopalea cochenillifera) grown under hydroponic conditions

S. Tsuchimoto | K. Okada | K. Kondo | T. Horibe

199. Calcium and magnesium biofortification of the edible cactus Nopalea cochenillifera grown under hydroponic conditions

E. Nishimura | K. Hayashi | T. Horibe

200. Effect of selling area, period, and type on the price of okra (Abelmoschus esculentus L.) in Japan

L. Sato | N. Miyamoto | S. Motoki

201. Comparative analysis of asparagus marketing practices in Europe, North America, and Asia during summer and autumn

S. Yamashita | S. Motoki

202. Edible alleys in the discourse of urban horticulture: a case study on densely built urban renewal districts in Chiayi, Taiwan

T.I. Lee

203. Application of calcium chloride on yield and quality of Capsicum annuum L.

N. Montri | S. Sengseng | R. Deewatthanawong | K. Bunya-atichart

204. Development of a growth state estimation system using a moving camera in strawberry cultivation

S. Matsuo | H. Umeda

205. The impact of adding nanoparticles to the media to speed up the in vitro multiplication stage of banana explants

P. Nugrahani | I.R. Moeljani