(7) باب النَّهْىِ عَنِ الْقِرَاءَةِ، فِي الرُّكُوعِ
It was narrated that 'Ali said:
"The Prophet (ﷺ) forbade me from wearing gold rings, from reciting the Qur'an when bowing, and from wearing Al-Qassi, and clothes dyed with safflower."
Reference: Sunan an-Nasa'i 1041
In-book reference: Book 12, Hadith 13
English translation: Vol. 2, Book 12, Hadith 1042