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Vietnam: There are cassava varieties resistant to leaf mosaic disease, Tay Ninh seeks to propagate quickly

Cassava
Vietnam
Published Apr 24, 2022

Tridge summary

Tay Ninh province has more than 55,000 hectares of cassava (tapioca). In which, about 46,000ha of cassava was infected with cassava leaf mosaic disease, accounting for more than 80% of the area. Since 2018, Tay Ninh Department of Agriculture and Rural Development has coordinated with the Vietnam Institute of Agricultural Genetics (MARD) and the International Center for Tropical Agriculture (CIAT) to research and test disease-free and resistant varieties of noodles with mosaic disease.

Original content

leaves. As a result, by the end of 2021, there were 2 varieties that were completely resistant to cassava mosaic disease, HN3, HN5, and some other promising varieties. Tay Ninh Agricultural Extension Center is building a project to breed HN3 and HN5 noodles in the field, about 60ha. However, this area only meets about 1% of the actual needs of farmers in the province. Mr. Bui Cong Ngoc, who grows noodles in Tan Hiep commune (Tan Chau district), said that cassava has leaf mosaic disease, causing high care costs. Productivity and flour are also affected, so farmers' profits are not high. Mr. Ngoc was selected by the Provincial Agricultural Extension Center and Hung Loc Agricultural Research Center (Dong Nai) as a partner to transfer, plant and propagate 2 varieties of noodles HN3, HN5. Through field trials, both new varieties did not appear mosaic disease. Compared with old cassava varieties such as HL11, KM140 and KM419, this variety is not only resistant to cassava leaf mosaic ...
Source: Danviet
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