Reduction of time for producing and acclimatizing two bamboo species in a greenhouse
2013
Giovanni Aquino Gasparetto | Marcio Jara Davalo | Josimara Nolasco Rondon
China has been investing in bamboo cultivation in Brazilian lands. However, there’s a significant deficit of seedling production for civil construction and the charcoal and cellulose sectors, something which compromises a part of the forestry sector. In order to contribute so that the bamboo production chain solves this problem, this study aimed to check whether the application of indole acetic acid (IAA) could promote plant growth in a shorter cultivation time. In the study, Bambusa vulgaris and B. vulgaris var. vitatta stakes underwent two treatments (0.25% and 5.0% of IAA) and they were grown on washed sand in a greenhouse. Number of leaves, stem growth, rooting, and chlorophyll content were investigated. There was no difference with regard to stem growth, root length, and number of leaves for both species in the two treatments (0.25% and 5% IAA). The chlorophyll content variation between the two species may constitute a quality parameter of forest seedling when compared to other bamboo species. After 43 days, the seedlings are ready for planting in areas of full sun. For the species studied here, the average time to the seedling sale is from 4 to 6 months, with no addition of auxin. Using this simple and low cost technique, several nurserymen will produce bamboo seedlings with reduced time, costs, and manpower.
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