Kasetsart 50 is the most important cassava cultivar in Thailand and probably the most important cultivar in the world. In 2006, this cultivar was planted covering 57 percent of cassava growing area in Thailand (about 633,700 ha). This cultivar also is grown extensively in Indonesia and Vietnam (under the name of KM 94).
Characteristic : Huay Bong 60 has 7% greater fresh root yield and slightly higher fresh root starch content than Kasetsart 50 with very similar agronomic characteristics to Kasetsart 50.
Pedigree : Rayong 5 x Kasetsart 50
Table 1 Yield of Huay Bong 60 as compared with Kasetsart 50, Rayong 5 and Rayong 72. Data are averaged from 30 trials during 1998-2001.
Cultivars
|
Yield (ton/ha) |
Root starch content
(%) |
Fresh |
% |
Dry |
% |
Huay Bong 60 |
35.93 |
107 |
13.37 |
107 |
25.4 |
Kasetsart 50 |
33.62 |
100 |
12.50 |
100 |
25.0 |
Rayong 5 |
31.12 |
93 |
11.75 |
94 |
24.1 |
Rayong 72 |
37.18 |
111 |
13.25 |
106 |
23.5 |
|
From : Vichukit et al. (2003)
Table 2 Distribution of new cassava varieties by TTDI During 1995-2007.
Varieties |
Total number of stakes |
Huay Bong 60 |
24,248,757 |
Kasetsart 50 |
19,196,986 |
Rayong 5 |
4,158,471 |
Rayong 72 |
105,375 |
From : TTDI |