Plant physiology, biochemistry and molecular biology

Seed Germination of 14 Wild Functional Ornamental Herbaceous Species from the Northwest Sichuan

  • 杨马进,黄文娟,李 臻,唐霄铧,韩菊兰,叶昌华
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  • (Sichuan Academy of Agricultural Characteristic Plants, Neijiang 641200, Sichuan China)

Received date: 2023-03-12

  Accepted date: 2023-05-08

  Online published: 2023-08-24

Abstract

By different storage methods and different seed treatments, 14 wild functional ornamental herbaceous species occurring in the Northwest Sichuan were used as experimental materials to carry out seed germination, and based on the germination characteristics of each species to explore the suitable storage methods and dormancy removal methods of seed breeding in low altitude areas. The results indicated that: ① Lilium duchartrei, Cynoglossum amabile, Anemone cathayensis, Primula sikkimensis, Aster dolichopodus maintained high vigor and strong germination ability before and after storage, and the seed germination abilities of Primula nivalis, Sinopodophyllum hexandrum, Meconopsis integrifolia were obviously enhanced after storage; ② The effects of different storage methods on seed germination rate of 14 species were significant (P<0.01), sand storage was superior to dry and low temperature storage, and the germination rate of seeds under sand storage was the highest at low temperature of 3 ℃; ③ The effects of different seed treatments on seed germination rate of 14 species were significant (P<0.01), and the seed germination rate was most significantly different deal with the treatment of gibberellin solution and 6-BA solution. Gibberellin solution promoted the seed germination, while the 6-BA solution had opposite effect, and mechanical peeling and sulphuric acid treatment significantly reduced the germination rate; ④ The germination process of most plant seeds was shortened obviously by methods of low temperature of 3 ℃ in sand storage, Gibberellin immersion, water immersion and ultrasonic shock. Cynoglossum amabile, Anemone cathayensis, Salvia przewalskii, Anemone rivularis and Aster dolichopodus seedlings were adapted to the natural environment of Chengdu and showed strong adaptability in summer.

Cite this article

杨马进,黄文娟,李 臻,唐霄铧,韩菊兰,叶昌华 . Seed Germination of 14 Wild Functional Ornamental Herbaceous Species from the Northwest Sichuan[J]. Subtropical Plant Science, 2023 , 52(3) : 228 -241 . DOI: 10.3969/j.issn.1009-7791.2023.03.008

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