# DADA2 multiple sequencing runs - de novo picking allows for merging after artifact? **URL:** https://forum.qiime2.org/t/dada2-multiple-sequencing-runs-de-novo-picking-allows-for-merging-after-artifact/4341 **Category:** User Support **Tags:** merge **Created:** [May 29, 2018, 1:34pm UTC](https://forum.qiime2.org/t/dada2-multiple-sequencing-runs-de-novo-picking-allows-for-merging-after-artifact/4341 "2018-05-29T13:34:38Z") **Posts on this page:** 1 **Showing post:** 5
### Author: ![Nicholas\_Bokulich](https://forum.qiime2.org/user_avatar/forum.qiime2.org/nicholas_bokulich/32/19937_2.png) [@Nicholas\_Bokulich](https://forum.qiime2.org/u/Nicholas_Bokulich) #### Post date: [June 1, 2018, 2:56pm UTC](https://forum.qiime2.org/t/dada2-multiple-sequencing-runs-de-novo-picking-allows-for-merging-after-artifact/4341/5 "2018-06-01T14:56:28Z")
2 off-topic replies have been split into a new topic: [Duplicate samples in feature tables during merge](https://forum.qiime2.org/t/duplicate-samples-in-feature-tables-during-merge/4393) Please keep replies on-topic in the future. --- _[View the full topic](https://forum.qiime2.org/t/dada2-multiple-sequencing-runs-de-novo-picking-allows-for-merging-after-artifact/4341)._