Junifer Rey E.
Tabafunda, and Genaro D. Omo, from the different institute of Philippines.
wrote a Research Article about, Effect of Ginger Rhizome Sett Size on Plantlet
Production for Planting Materials. Entitled, Capability of the different sizes
of ginger (Zingiber officinale) rhizome setts in producing plantlets as
planting materials. This research paper published by the Journal of Biodiversity and Environmental Sciences (JBES). an open access scholarly research
journal on Biodiversity. under the affiliation of the International
Network For Natural Sciences| INNSpub. an open access multidisciplinary
research journal publisher.
Abstract
Ginger (Zingiber officinale Rosc.) plants are perennials and the rhizomes have a pungent taste which is very important for flavoring various food products specifically in Asian cuisine. In ginger production, the matured rhizomes are commonly used as planting materials which contributes to the highest total production cost. Therefore, other kinds of planting materials could be considered, such as using plantlets. The most common method of rapid propagation in many crops is the tissue culture method, usually done in the laboratory. On the other hand, the use of certain plant parts has also the potential for rapid propagation. Moreover, they could be adopted by any farmer because it does not require expensive facilities and special skills, lower cost of production and the propagated plantlets can be directly transplanted in the field due to their quick adaptability to varied climatic conditions. Hence, this study aims to; evaluate the effects of the different sizes of rhizomes on the propagation of plantlets to be used as planting materials, and to determine the most productive size of rhizomes to produce plantlets. The result revealed that the 150g rhizome sett had the highest number of plantlets produced per sett (8.53) and the highest net income from recovered rhizome setts. (PhP 53,590.00) after gathering the plantlets, while the 50g sett has the highest number of plantlets produced per kilogram of rhizome sett with 85.67 plantlets.
Read more : Ecological Impact of Mining on the Cavally River in Western Côte d’Ivoire | InformativeBD
Introduction
Ginger (Zingiber officinale) plants belong to the family Zingiberaceae, perennials, and are endemic to tropical Southeast Asia (Adegbola and Olufunmilola, 2017). The rhizomes are very familiar as flavoring of foods and natural additives of other products due to their pungent taste for more than 2000 years (Bartley and Jacobs, 2000). The importance of the ginger rhizome is the flavor, which contains essential oils and oleoresins (Rhode et al., 2007). The odor is due to its components such as volatile oils zingerone, shogaols, and the gingerols which is 3% of the fresh weight of the ginger (Moghaddasi and Kashani, 2012). It is also an important home remedy for various illnesses. It thrives in various climatic conditions in tropical and semi-temperate countries.
The worldwide production of ginger in 2020 reached 4.3 million tons, wherein India had the highest production which shared 43% of the total world supply. It was followed by Nigeria, China, and Nepal (FAO, 2021). In ginger production, the most common planting materials used by farmers in the Philippines and in some countries are the matured rhizomes. During planting season, the cost of rhizomes increases significantly. Likewise, the required volume of rhizomes needed is very high.
On the other hand, it was reported that the tissuecultured plantlets can be used as planting materials. This method of propagation has been considered to be an effective means of eliminating pathogens from the vegetative source of the material. The propagation of plantlets by this method can be done throughout the year. However, the tissue-cultured plantlets are very expensive and they had poor success in outplanting in the field hampering its full commercialization (Freyre et al., 2019). The major reason that causes its high cost is the use of culture media such as agar-agar as a gelling agent, sucrose (as a carbon source), etc. Infrastructure, electricity, and maintenance contributed to the high cost of operation that hampers its success (Gupta and Verma, 2011). Tissue-cultured derived plantlets are a possible alternative planting material with uniform and disease-free material. However, tissue-cultured plantlets are much more expensive as compared to the seed rhizomes with possible lower yield during the first production cycle.
On the other hand, other methods have the potential for rapid propagation of plantlets, such as the sowing of certain plant parts like the rhizomes. Moreover, the production cost of this method is cheaper since it does not use expensive infrastructures, electricity, and maintenance and the procedure could be easily adopted by the farmers.
Hence, the aims of this study are; to
evaluate the effects of the different sizes of rhizomes in the production of
plantlets as planting materials, and to determine the cost and return of the
different sizes of rhizomes on the production of plantlets.
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