In the second, three indica rice cultivars, V14, V27, and R09, widely cultivated in Burundi, were used to investigate changes in cytosine DNA methylation induced by tissue culture by means of methylation-sensitive amplified polymorphism (MSAP) method.

• 第二部分研究了V14,V27和R09三个在布隆迪广泛种植的籼稻栽培品种。 这三个品种经过组织培养,并通过甲基化敏感的多态性扩增(MSAP)方法研究DNA胞嘧啶的甲基化变化。