Enhancing germination and seedling growth in Vitex doniana Sweet for horticultural prospects and conservation of genetic resources

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AuteurN DANIKOU, SOGNIGBE
AuteurACHIGAN DAKO, ENOCH GBENATO
AuteurTCHOKPONHOUE, DEDEOU APOCALYPSE
AuteurASSOGBA KOMLAN, FRANCOISE
AuteurGEBAUER, JENS
AuteurVODOUHE, RAYMOND S
AuteurAHANCHEDE, ADAM
Date d'ajout2026-06-02T16:06:57Z
Date de disponibilite2026-06-02T16:06:57Z
Date de publication2014
ResumeMany fruit trees with a hard seed coat exhibit seed dormancy, posing problems for their regeneration. Vitex doniana, an indigenous multipurpose but threatened fruit and vegetable tree that supports the livelihoods of many households in West Africa, is a typical example. Materials and methods. In our research, we evaluated five dormancy-breaking treatments. We tested the effects of sulphuric acid at 95% concentration (T1); 3 d sun-drying + 48 h soaking in tap water (T2); 3 d alternation of 8 h sun-drying + 1 h soaking in tap water (T3); 2 weeks sun-drying with regular watering in the daytime (T4); and physical shock (T5). These treatments were compared with two controls (T0 and Tc), with seeds from two different sources. The germination percentage, mean germination time, time to first germination and time to threshold germination (20%) were compared; the seedling height, diameter and biomass produced were monitored for 15 weeks. We used generalised linear models and correlation tests to compare the effects of the various treatments on germination and seedling growth. Results and discussion. T3 significantly enhanced seed germination in V. doniana (72% after 12 months). T4 best promoted homogeneity in germination (p < 0.01), followed by T3. The best seedling growth was obtained with T4 and T3. Alternation of sun-drying followed by soaking of seeds, a technique with almost no cost, improved seed germination in V. doniana and, in 33 d, just over 1 month, 20% germination can be achieved. Vitex doniana is a fast-growing species (at the nursery stage), in contrast to the common opinion. Conclusion. Our method should be further investigated to assess the adequate soaking and drying length so as to speed up germination and reach homogenous cohorts.
DOI10.1051/fruits/2014017
Autre identifiantBECDB-6133
URIhttps://dspace.uac.bj/handle/123456789/5609
Languefr
Fait partie deFruits
SujetBénin / Vitex doniana / domestication des plantes / reproduction sexuée /
Sujetdormance des semences / germination des graines / plantule / taux de
Sujetcroissance Benin / Vitex doniana / plant domestication / sexual reproduction / seed
Sujetdormancy / seed germina
TitreEnhancing germination and seedling growth in Vitex doniana Sweet for horticultural prospects and conservation of genetic resources
TypeArticle

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