‏البيوع : Hadeeth No:3665 Ibn 'Umar (Allaah be pleased with them) reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) forbade the sale of fruits until they were clearly in good condition, he forbade it both to the seller and to the buyer....

‏البيوع : Hadeeth No:3909 This hadith has been narrated by Ibn Abu Najih through another chain of transmitters mentioning in it" for a specified period"....