Evaluation of Cymbopogon germplasm against rust disease incited by Puccinia nakanishikii

摘要

Cymbopogon martinii (Roxb) Wats (Palmarosa) and Cymbopogon citratus (DC) Stapf. (Lemongrass) are essential oil bearing aromatic plants belonging to the genus Cymbopogon. The oil from Cymbopogon martini is used as base for fine perfumery and is valuedbecause of their geranial contents. Palmarosa oil and its separated fraction-geranial are widely used in perfume industry. Besides the perfumery value, the oil has a great wound healing effect. Cymbopogon citratus is one of the sources of citral, an important monoterpene aldehyde, large quantity of which are being utilized for production of ionones, vitamin A and geraniol besides the use in perfumery soaps and cosmetics.