Fecha de publicación: 29/07/2022 Fuente: WIPO "hemp" The invention provides an industrial cannabis sativa all-female variety seed reproduction method which comprises the following steps: after an isolated land parcel is prepared, seeds of male inducing plants are sown in the first ten days of April, and after seedlings are transplanted twice, the seeds grow to obtain the male inducing plants; the method comprises the following steps: sowing field plant seeds in early and middle May, transplanting seedlings twice, growing to obtain field plants, carrying out artificial chemical male induction in early and middle June, carrying out field pollination for three times, and harvesting field plant grains in early October. According to the method, the technical problem of seed reproduction of all-female varieties of industrial cannabis sativa is effectively solved by means of staged sowing, seedling raising by a seedling raising nutrition block, two-time seedling transplanting, batched management of male inducing plants and field plants, chemical male inducing, artificial pollination and the like.