Biotechnological Developments in Sugarcane Improvement: An Overview

Suprasanna, Penna; Patade, Vikas Yadav; Desai, Neetin; Devarumath, R. M.; Kawar, Prashant G.; Pagariya, Madhuri Chandrakant; Ganapathi, A.; Manickavasagam, Markandan; Babu, K. Harinath

doi:10.1007/s12355-011-0103-3

Cited by 49 publications

(22 citation statements)

References 86 publications

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“…In the case of sugarcane, there have been transgenes for tolerance for herbicides tolerance, pest resistance (cry genes), diseases resistance (mosaic and leaf scalding), resistance to abiotic stresses (higher accumulation of proline and trehalose), higher accumulation of saccharose, suppression of flowering, and other characteristics [36].…”

Section: Breeding Strategies and Integration Of New Biotechnologiesmentioning

confidence: 99%

Breeding of Sugarcane

Morais

Aguiar

Silva

et al. 2014

Handbook of Plant Breeding

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Sugarcane is the main source for sugar production and the most important crop for energy production, as well as for byproducts like ethanol and fibers in the world. With a complex genome, the plant has its species from crosses between species of the genus Saccharum, which were the basis for sugarcane breeding programs worldwide. The production of sugarcane has increased worldwide due to breeding programs that have developed more productive clones for specific uses and adapted to different climatic conditions. The future objective of breeding programs is to develop sugarcane with high productivity, high sucrose content, drought tolerance, and high production of ethanol and biomass, i.e., plants with high fiber content and with cell walls easily broken to favor the production of ethanol from bagasse, efficient plants with low nitrogen fertilizer use, and others, and consequently to reduce environmental impacts. Currently, the demand for products derived from sugarcane is consistently increasing; the ethanol byproduct has been pointed out as one of the important sources to feed the demand for renewable energy in fossil and nonrenewable fuel substitution programs in different countries around the world. This chapter describes the genetic improvement of sugarcane and its current goals.

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Section: Breeding Strategies and Integration Of New Biotechnologiesmentioning

confidence: 99%

Breeding of Sugarcane

Morais

Aguiar

Silva

et al. 2014

Handbook of Plant Breeding

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“…Conventional methods have greatly contributed to sugarcane improvement; however, limitations such as complex genome, narrow genetic base, poor fertility, susceptibility to biotic and abiotic stress, and long duration to breed an elite cultivar still impose challenges (Suprasanna et al, 2011). According to Dookun (1998) and Lakshmanan et al (2005), sugarcane is a Tons suitable candidate for the application of biotechnological and genetic engineering tools in increasing its productivity.…”

Section: Opportunities For Kenya's Sugar Industrymentioning

confidence: 99%

Sugarcane in vitro culture technology: Opportunities for Kenyas sugar industry

Wekesa¹,

Onguso²,

Nyende³

et al. 2015

Afr. J. Biotechnol.

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Sugarcane (Saccharum officinarum L.) is one of the most important crops in Kenya and has wide range of economic importance. The sugar industry contributes up to 15% to the country's agricultural gross domestic product and an estimated 25% of the population depends on the industry for their livelihood. However, the industry has been facing several challenges including declining yields due to use of poor quality planting materials. There is an increasing pressure to enhance the productivity of sugarcane in order to sustain profitable sugar industries in Kenya, while there are several diseases attacking sugarcane and reducing its quality. Seed multiplication of newly released varieties of sugarcane is one of the major constraints in Kenya as it takes 6-7 years to produce sufficient quantity of improved seed material. In vitro culture offers a practical and fast method for mass propagation of disease-free clonal materials. Successful protocols for shoot tip culture, callus culture, embryo culture, virus free plant production and somatic embryogenesis have already been established. Thus, in vitro technology can be used to enhance productivity of sugarcane in Kenya. Despite several advantages of applying micro-propagation technique in sugarcane such as quick multiplication of newly released varieties, rejuvenation of old deteriorated varieties; production of disease free seed; easy transportation of seed material; elimination of viruses; high cane productivity and sugar yield etc., this technique is not gaining popularity up to the desired extent. There are several constraints like the high cost of production and appearance of some variants in micropropagated population among others. The present article describes the status, challenges and opportunities of in vitro technology for the sugar industry in Kenya. Though, some problems have now been resolved to considerable extents which have been described in this review however, some constraints still require intensive research work to be resolved so that a safe and efficient exploitation of this technique can be ensured in sugarcane seed production programmes for enhanced yields and quality.

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“…In addition, sugarcane decreases its sucrose yield, through the effect on biomass and juice quality [6]. As the methods of genetic improvement in sugarcane present some problems ranging from the influence of the environment, a long period to achieve results and even the risk of varietal mixing, micropropagation emerges as a way to improve these processes [7].…”

Section: Introductionmentioning

confidence: 99%

<i>In Vitro</i> Priming of Sugarcane Varieties (RB966928 and RB867515)

Duarte¹,

Rezende²,

Pinto³

et al. 2018

AJPS

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Sugarcane, as a glycophyte, shows sensitivity to saline soils at various stages of its growth. The aim of this study was to evaluate the in vitro priming response in two sugarcane varieties (RB966928 and RB867515). Micropropagated plants, from meristems, received priming treatments by adding the salts (NaCl and KCl) in different concentrations (0.0; 12.5; 25.0 and 50.0 mM), in the MS medium. Subsequently, the plants were cultivated in rooting medium without addition of salts, acclimatized and submitted to gradient ex vitro saline stress with 20  40 and 60 mM, of each salt, for 30 days. The analyzed variables were dry matter of shoot and root, number of tillers and estimation of chlorophyll content. The experiment was carried out in a 2 × 2 × 4 factorial arrangement, in a completely randomized experimental design. Twenty replicates were used throughout the experiment. Data were submitted to analysis of variance and regression and the means were compared by Tukey's test, at a 5% probability level. The priming treatments presented a significant effect, with triple interaction, in the chlorophyll index. In the treatment with NaCl, the variety RB966928 showed an increase in the chlorophyll index with the increase of treatment levels, up to an optimal limit of 31.47 mM. On the other hand, the variety RB867515 showed decreasing in chlorophyll index. In contrast, in KCl treatment, the variety RB867515 presented the increase at the chlorophyll index with the maximum point of 25 mM. For the variables, shoot dry matter (SDM) and root dry matter (RDM) there was a significant difference (p < 0.05 and p < 0.01, respectively) only between the varieties. The variety RB966928 presented higher SDM and RDM in relation to the variety RB867515. Studies are recommended with increasing the duration of the priming treatments and more detailed study of the culture throughout its productive cycle.

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Biotechnological Developments in Sugarcane Improvement: An Overview

Cited by 49 publications

References 86 publications

Breeding of Sugarcane

Breeding of Sugarcane

Sugarcane in vitro culture technology: Opportunities for Kenyas sugar industry

<i>In Vitro</i> Priming of Sugarcane Varieties (RB966928 and RB867515)

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Biotechnological Developments in Sugarcane Improvement: An Overview

Cited by 49 publications

References 86 publications

Breeding of Sugarcane

Breeding of Sugarcane

Sugarcane in vitro culture technology: Opportunities for Kenyas sugar industry

&lt;i&gt;In Vitro&lt;/i&gt; Priming of Sugarcane Varieties (RB966928 and RB867515)

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<i>In Vitro</i> Priming of Sugarcane Varieties (RB966928 and RB867515)