Sunan Abi Dawud 3361
سنن أبي داود#3361Sahihحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا ابْنُ أَبِي زَائِدَةَ، عَنْ عُبَيْدِ اللَّهِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم نَهَى عَنْ بَيْعِ الثَّمَرِ بِالتَّمْرِ كَيْلاً وَعَنْ بَيْعِ الْعِنَبِ بِالزَّبِيبِ كَيْلاً وَعَنْ بَيْعِ الزَّرْعِ بِالْحِنْطَةِ كَيْلاً .
Narrated Ibn 'Umar:The Prophet (ﷺ) forbade the sale of fruits on the tree for fruits by measure, and sale of grapes for raisins by measure, and sale of harvest for wheat by measure
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 23:36