The girasole,3 Hetianthus tuberosus, has had much interest centered upon it since the report of JACKSON, SILSBEE and PROFFITT (4) on the possible commercial preparation from it of fructose, a sugar sweeter than sucrose, according to PAUL (7), DEERR (3), SALE and SKINNER (8), BIESTER, WOOD and WAHLIN (2) and SPENGLER and TRAEGEL (10). A survey of the plants which might serve as a source for the ...

To evaluate the effect of Azospirillum and mycorrhizal soil fungi on nutrition Jerusalem artichoke crop (Helianthus tuberosus L.), determinations agronomic parameters health status plants were carried out under field conditions. The tests out, at time implantation culture: "seeds" inoculated with A. brasilense native fungi, generating four treatments including control co-inoculation consortium ...