حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى عَنْ بَيْعِ الثَّمَرِ حَتَّى يَبْدُوَ صَلاَحُهَا نَهَى الْبَائِعَ وَالْمُبْتَاعَ.

Ibn 'Umar (Allah be pleased with them) reported that Allah's Messenger (PBUH) forbade the sale of fruits until they were clearly in good condition, he forbade it both to the seller and to the buyer. Translation Not Available

Book Ref: Sahih Muslim Book 21 Hadith 3665
Web Ref:  Sahih Muslim Book 10 Hadith 1534 a