Abstract
Artemisia annua is a plant used in traditional Chinese medicine to prevent and treat malaria and other parasitosis. However, the production of Artemisia annua seems to face many problems especially in the germination of grains making it difficult to grow this promising plant. The objective of this work is to contribute to the improvement of the emergence and growth of Artemisia annua in soilless culture. To do so, Artemisia annua seeds were sown in a germinator made of three organic substrates: simple soil, carbonized rice husk soil and soil-compost all supplemented with decomposed chicken droppings. After 24 days in the nursery, the seedlings were transplanted onto three growth substrates of the same composition as those in the nursery. The results showed that the substrate made of carbonized rice husk and soil, supplemented with chicken droppings is the best substrate. Plants growing on this substrate had a higher number of leaves (65 leaves/plant) with a height of 15 cm and a diameter of 9 mm than plants growing on the other two substrates. Moreover, the popularization of the results of this work will allow to intensify the culture of Artemisia annua but also to direct the actors of the sector of Artemisia annua towards new sustainable and more promising cultural techniques in order to eradicate malaria in Côte d'Ivoire and even in the sub-region.
Highlights
The annual mugwort (Artemisia annua L.) is a species of the Asteraceae family native to the highlands of China
It has been introduced in East Africa and Madagascar, in West Africa (Burkina, Ivory Coast, Gambia, Mali, Nigeria, Senegal, Togo) and in South America (Brazil, Peru, Colombia) in a more marginal way [1; 2]. It is a herbaceous plant which develops preferably in not too heavy soils with pH between 5.5 and 7.5 and in soils with pH lower than 5.5 [2]. It has been used for 2000 years in Traditional Chinese Medicine to prevent and treat intermittent fevers and other parasitosis [3]
Number of seedlings This graph (Figure 7) shows the distribution of the number of Artemisia annua seedlings according to the substrates 4 weeks after sowing
Summary
The annual mugwort (Artemisia annua L.) is a species of the Asteraceae family native to the highlands of China. It has been introduced in East Africa and Madagascar, in West Africa (Burkina, Ivory Coast, Gambia, Mali, Nigeria, Senegal, Togo) and in South America (Brazil, Peru, Colombia) in a more marginal way [1; 2] It is a herbaceous plant which develops preferably in not too heavy soils (sandy) with pH between 5.5 and 7.5 and in soils with pH lower than 5.5 [2]. The objective of this work is to improve the production of Artemisia annua in soilless on biological substrates It is to evaluate the effect of substrates on the emergence and growth of plants and to determine the ideal substrate for optimal growth
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