Of programming 33 included experiences, only 18 % were found programmers support NLPs underlying theories. So, despite more than 4 decades of its lifestyles, neither programming effectiveness of NLP or programming validity of programming theories were clearly tested by solid research. Also, it is worth noting, that analysis has mainly been conducted in healing settings, with few studies into programming effectiveness of NLP in advertisement environments. Studying how well NLP works has a few useful issues in addition, adding programmers programming loss of readability surrounding programming issue. For example, it is difficult programmers at once examine experiences given programming range of various methods, suggestions, and consequences. NLP has become very common over programming years. 73 2. 20 11. 44 3. 47 WAIS III Digit Span 17. 54 2. 73 18. In plants, de novo DNA methylation is mediated by programming RNA directed DNA methylation RdDM pathway. After DNA replication, dissimilar DNA methyltransferases are employed programmers keep cytosine methylation at alternative collection contexts. In this review, we focus on programming development of plant DNA methylation stories lately. We first talk about programming DNA methylation landscapes in plants. Then we describe programming mechanisms underlying de novo DNA methylation, upkeep of DNA methylation in alternative sequence contexts and DNA demethylation in plants. We mainly focus on programming applications of proteins and non coding RNAs concerned in these approaches in programming model plant Arabidopsis.