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Sweetpotato planting material: the Triple S System – Storage, Sand, Sprouting

Farmers often obtain sweetpotato planting material from roots which have been overlooked during harvest and sprout when it rains. However, the roots sprout only when it rains and planting material only becomes available some weeks afterwards. The roots may sprout in distant fields, unprotected from grazing animals and thieves. To solve these problems, researchers and farmers have developed a system of conserving planting material whereby storage roots are stored in sand and then planted out and watered before the arrival of the rains. The Triple S System – storage, sand, sprouting make the roots sprout and produce large amounts of planting material in time for the arrival of the rains. This brochure highlights the steps involved in producing clean planting materials from roots through the storage in sand and sprouting system.

Authors: International Potato Center (CIP), Natural Resources Institute (NRI), International Potato Center (CIP), Natural Resources Institute (NRI)

Contributors: Hilda Munyua, Hilda Munyua

Subjects: Triple S system

Pages: 2

Publisher: International Potato Center (CIP); Natural Resources Institute (NRI)

Publication Date: 2013

Keywords: Conservation of planting material, Triple S