【摘要】 河北省桑树资源丰富,采集到的桑种有白桑、鲁桑、山桑、鸡桑、华桑、黑桑、蒙桑及其变种鬼桑;发现了河北桑;栽培品种可分为五大实用类型:叶用桑、条用桑、果用桑、杈用桑、材用桑。更多还原

【Abstract】 Hebei Province is rich in resources of mulberry including Morus alba Linn. , M. multicaulis Perr. , M. bombycis Koidz. , M. australis Poir. , M. cathayana Hemsl. , M. nigra Linn. , M. mongolica Schneider and its two varieties : M. monglica var. diabolica Koidz. and M. monglica (Bur. )Schneider var. hopeinsis S. S. Chang,var. nov. The cultivated varieties are divided into 5 types as their uses: leaf-using,shoot-using,catkinsorosis-using,hayfork-using and wood-using mulberry,更多还原