Breaking Seed Dormancy of Kalmia Hirsuta with High Temperatures

Ecology ◽  
1968 ◽  
Vol 49 (6) ◽  
pp. 1196-1198 ◽  
Author(s):  
Richard A. Jaynes
Keyword(s):  
High Temperatures ◽  
Seed Dormancy ◽  
Breaking Seed Dormancy

Breaking Seed Dormancy in Corchorus olitorius Landraces

Planta Medica ◽  
2008 ◽  
Vol 74 (03) ◽  
Author(s):  
AE-D Helaly ◽  
H Al-Amier ◽  
AA Al-Aziz ◽  
LE Craker
Keyword(s):  
Seed Dormancy ◽  
Corchorus Olitorius ◽  
Breaking Seed Dormancy

scholarly journals Practical Methods for Breaking Seed Dormancy in a Wild Ornamental Tulip Species Tulipa thianschanica Regel

Agronomy ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. 1765
Author(s):  
Wei Zhang ◽  
Lian-Wei Qu ◽  
Jun Zhao ◽  
Li Xue ◽  
Han-Ping Dai ◽  
...  
Keyword(s):  
Seed Germination ◽  
Seed Dormancy ◽  
Combined Treatment ◽  
Individual Treatment ◽  
Cold Stratification ◽  
Slight Effect ◽  
Sowing Depth ◽  
Physiological Dormancy ◽  
Commercial Breeding ◽  
Breaking Seed Dormancy

The innate physiological dormancy of Tulipa thianschanica seeds ensures its survival and regeneration in the natural environment. However, the low percentage of germination restricts the establishment of its population and commercial breeding. To develop effective ways to break dormancy and improve germination, some important factors of seed germination of T. thianschanica were tested, including temperature, gibberellin (GA3) and/or kinetin (KT), cold stratification and sowing depth. The percentage of germination was as high as 80.7% at a constant temperature of 4 °C, followed by 55.6% at a fluctuating temperature of 4/16 °C, and almost no seeds germinated at 16 °C, 20 °C and 16/20 °C. Treatment with exogenous GA3 significantly improved the germination of seeds, but KT had a slight effect on the germination of T. thianschanica seeds. The combined treatment of GA3 and KT was more effective at enhancing seed germination than any individual treatment, and the optimal hormone concentration for the germination of T. thianschanica seeds was 100 mg/L GA3 + 10 mg/L KT. In addition, it took at least 20 days of cold stratification to break the seed dormancy of T. thianschanica. The emergence of T. thianschanica seedlings was the highest with 82.4% at a sowing depth of 1.5 cm, and it decreased significantly at a depth of >3.0 cm. This study provides information on methods to break dormancy and promote the germination of T. thianschanica seeds.

scholarly journals When Breaking Seed Dormancy Is a Problem: Try a Move-along Experiment

2003 ◽  
Vol 4 (1) ◽  
pp. 17-21 ◽  
Author(s):  
C. C. Baskin ◽  
J. M. Baskin
Keyword(s):  
Seed Dormancy ◽  
Breaking Seed Dormancy

scholarly journals Nitric oxide-induced rapid decrease of abscisic acid concentration is required in breaking seed dormancy in Arabidopsis

2009 ◽  
Vol 183 (4) ◽  
pp. 1030-1042 ◽  
Author(s):  
Yinggao Liu ◽  
Lin Shi ◽  
Nenghui Ye ◽  
Rui Liu ◽  
Wensuo Jia ◽  
...  
Keyword(s):  
Nitric Oxide ◽  
Abscisic Acid ◽  
Seed Dormancy ◽  
Acid Concentration ◽  
Rapid Decrease ◽  
Breaking Seed Dormancy

Breaking seed dormancy of Prangos uloptera DC., a medicinal plant of the Iran

2009 ◽  
Vol 37 (3) ◽  
pp. 771-775 ◽  
Author(s):  
K. Razmjoo ◽  
A. Razzazi ◽  
N. Khodaeian ◽  
E. Askari
Keyword(s):  
Medicinal Plant ◽  
Seed Dormancy ◽  
Breaking Seed Dormancy

Effect of temperature and moist conditions on seed dormancy cycling of two sympatric limestone species, Begonia guishanensis and Paraisometrum mileense, in southern China

2020 ◽  
Vol 30 (1) ◽  
pp. 29-36 ◽  
Author(s):  
Xiao-Jian Hu ◽  
Cheng Liu ◽  
Ai-Rong Li ◽  
Xiang-Yun Yang ◽  
Carol Baskin
Keyword(s):  
Field Experiment ◽  
High Temperatures ◽  
Seed Dormancy ◽  
Natural Environment ◽  
Southern China ◽  
Soil Seed Bank ◽  
Effect Of Temperature ◽  
Wet Season ◽  
Persistent Soil Seed Bank ◽  
Almost All

AbstractInformation about seed dormancy cycling and germination in relation to temperature and moisture conditions in the natural environment is important for the conservation and restoration of rare species, including Begonia guishanensis and Paraisometrum mileense, two sympatric perennial limestone (karst) species. Dry afterripening (DAR) and wet and dry (WD) cycles at 15/5 and 25/15°C as well as moist chilling (MC) at 15/5°C were used to mimic the natural environment at different times of the year. A field experiment was conducted to monitor seasonal changes in germination responses of the seeds. About 40–65% of B. guishanensis and 5% of P. mileense seeds were dormant at maturity. DAR at 25/15 and 15/5°C as well as MC and WD cycles at 15/5°C alleviated dormancy for B. guishanensis but not P. mileense, and WD cycles at 25/15°C induced a deeper conditional dormancy for both species. Seeds of B. guishanensis exhibited dormancy cycling in the field, with increased dormancy under natural WD cycles at relatively high temperatures during the transition from the dry to the wet season in April to May and decreased dormancy during the wet season from June to October. KNO3 mitigated the dormancy-inducing effect of both artificial and natural WD cycles at relatively high temperatures for B. guishanensis. The field experiment indicated that seeds of B. guishanensis may be able to form a persistent soil seed bank, while almost all seeds of P. mileense germinate at the beginning of the wet season in the field.

Breaking seed dormancy in sweet gourd (Momordica cochinchinensis)

2013 ◽  
Vol 41 (1) ◽  
pp. 133-136 ◽  
Author(s):  
S. Pandey ◽  
C. Devi ◽  
A. Kak ◽  
Y.J. Khan ◽  
V. Gupta
Keyword(s):  
Seed Dormancy ◽  
Momordica Cochinchinensis ◽  
Breaking Seed Dormancy

Breaking seed dormancy in long-term stored seeds from Iranian wild almond species

2009 ◽  
Vol 37 (2) ◽  
pp. 267-275 ◽  
Author(s):  
M. Zeinalabedini ◽  
K. Majourhat ◽  
M. Khayam-Nekoui ◽  
J.A. Hernández ◽  
P. Martínez-Gómez
Keyword(s):  
Seed Dormancy ◽  
Breaking Seed Dormancy ◽  
Wild Almond

scholarly journals Computer-Assisted Recovery of Threatened Plants: Keys for Breaking Seed Dormancy of Eryngium viviparum

2017 ◽  
Vol 8 ◽  
Author(s):  
Manuel Ayuso ◽  
Pablo Ramil-Rego ◽  
Mariana Landin ◽  
Pedro P. Gallego ◽  
M. Esther Barreal
Keyword(s):  
Seed Dormancy ◽  
Computer Assisted ◽  
Threatened Plants ◽  
Breaking Seed Dormancy
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