新乐1号(原名超黑蜜2号)是河南省新乡市种子公司西甜瓜育种室培育的中熟、优质、高产无籽西瓜新品系,2005年3月通过河南省农作物品种审定委员会审定并命名(审定编号豫审西瓜2005001号)。选育经过新乐1号的父本S350是从一个国审品种筛选而来的纯黑皮、圆果红肉品系。母本S312是 Xinle 1 (formerly known as Super Black Honey 2) is a seed company in Xinxiang City, Henan Province, melon breeding room breeding middle-aged, high-quality, high-yielding seedless watermelon new line, in March 2005 through the Henan Province Crop Variety Approval Committee approved Name (examined number Yu trial watermelon 2005001). Breeding through the new music, the father of the S350 is selected from a national sample of pure black, round red meat. Female S312 is