任丘县苗圃场全体职工,在社会主义建设总路线的光辉照耀下,发挥了敢想敢干的精神,几年来利用毛桑鲁桑嫁接大叶桑,经过嫁接后,长的叶大,质量好,产叶量高(比不嫁接的同年生的桑树产叶量大二倍),给今后大量发展蚕桑事业,提供了充足的物貭基础,嫁接成功的大叶桑品种共五种其优点是:1、黄鲁桑:叶大稍薄长20厘米,宽17.5厘 Renqiu County nursery field all employees, under the shining of the general line of socialist construction, has dared to dare to do the spirit of the past few years, the use of Mao Sang Lu Sang grafted Ebony, after the long leaves, good quality (Higher than the non-grafted mulberry leaf yield in the same year), for the future development of a large number of sericulture industry, providing adequate material basis, the success of grafting a total of five varieties of Adiposa have the advantage of : 1, yellow Lu Sang: leaf slightly thin 20 cm long, 17.5% wide