| Autor: |
Chandran, K., Nisha, M., Gopi, R., Mahendran, B., Chandran, Dilsha, Mahesh, P., Arun Kumar, R., Krishnapriya, V., Gomathi, R., Malathi, P., Viswanathan, R., Hemaprabha, G. |
| Zdroj: |
Sugar Tech; Dec2023, Vol. 25 Issue 6, p1285-1302, 18p |
| Abstrakt: |
Sugarcane agriculture is frequently challenged across the globe by biotic and abiotic factors causing significant damage to production and productivity. Sugarcane germplasm by virtue of its exhaustive collection, extensive characterization and evaluation exhibits an ideal system for combating the challenges offered from various stresses. The genus Saccharum consists of six species: Saccharum officinarum, S. spontaneum, S. robustum, Saccharum edule, S. barberi and Saccharum sinense. S.officinarum 'the noble cane' a native of Pacific islands is the basic genetic material where all the commercial hybrids are built up on. Along with the noble canes, the wild species S. spontaneum which has a Mediterranean and Indian origin has contributed significantly to the development of present-day commercial hybrids providing resistance to various biotic and abiotic stresses. From a utilization point of view, the sugarcane gene pool is very attractive due to less intra- and interspecific barriers and even intergeneric gene transfer involving Sclerostachya, Erianthus and Miscanthus, Sorghum and Imperata is viable. The sugarcane crop has a history of very systematic germplasm collection efforts from the beginning which has resulted in the collection of large variability of both cultivated and wild genetic resources through various national and international expeditions. In India, the gene bank at Kannur, Kerala, which is an internationally recognized systematically maintained gene bank for the sugarcane germplasm, houses the largest collection of sugarcane germplasm. A total of 3377 accessions are maintained at Kannur and over 3000 accessions at Coimbatore. The germplasm has been periodically screened against various biotic and abiotic stresses and resistant/tolerant accessions have been identified. These clones are the potential sources for genetic improvement of sugarcane against the threat posed by the challenges for sugarcane agriculture. This paper reviews the status of sugarcane germplasm collection in India and the sources of resistance to various biotic and abiotic stresses available in it. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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