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First report of Rotylenchulus reniformis infecting turmeric in Vietnam and consequent damage
Huu Tien Nguyen1, Quang Phap Trinh2, Thi Duyen Nguyen2
1Institute of Ecology and Biological Resources , Vietnam Academy of Sciences and Technology , 18 Hoang Quoc Viet , Cau Giay , 100000 Hanoi , Vietnam ; Graduate University of Science and Technology , Vietnam Academy of Sciences and Technology , 18 Hoang Quoc Viet , Cau Giay , 100000 Hanoi , Vietnam ; Nematology Research Unit , Department of Biology , Ghent University , K. L. Ledeganckstraat 35 , 9000 Ghent , Belgium.
Abstract:
Turmeric (Curcuma longa L.) is one of the common medicinal crops of high economical value in Vietnam. A survey in the Central Highlands of Vietnam revealed a turmeric growing area showing serious disease symptoms, including stunting of the plant, yellowing or darkening of the leaf margins and tips, and underdeveloped dry and rotten rhizomes. An inspection for plant pathogens in soil samples from this area revealed a high density and frequency of Rotylenchus reniformis, with a significant relationship between the density of R. reniformis, rhizome weight, and level of plant damage. This study provides the first report of R. reniformis found in parasitic association with turmeric in Vietnam with the support of molecular data and examines its resulting damage.
Abstract:
Turmeric (Curcuma longa L.) is one of the common medicinal crops of high economical value in Vietnam. A survey in the Central Highlands of Vietnam revealed a turmeric growing area showing serious disease symptoms, including stunting of the plant, yellowing or darkening of the leaf margins and tips, and underdeveloped dry and rotten rhizomes. An inspection for plant pathogens in soil samples from this area revealed a high density and frequency of Rotylenchus reniformis, with a significant relationship between the density of R. reniformis, rhizome weight, and level of plant damage. This study provides the first report of R. reniformis found in parasitic association with turmeric in Vietnam with the support of molecular data and examines its resulting damage.
