Abstract:

1.In order to produce a new disease-resistant and high-yielding variety of kenaf adaptedto the cultivating conditions of North China,the authors carried out several crossesbetween the varieties of early maturing northern type and those of the disease resistantsouthern type since 1955.Two superior strains,4-83 and 176-10,were selected from F_5of Madres (♀) ×Huanung No.1 and F_6 of Sullen 21(♀)×Madres.Both strains were ap-peared to be resistant of anthracnose of kenaf,caused by colletotrichum polacci,and with...