New trichoderma atroviride strain, culture medium containing it, and use of the strain in particular as a stimulant for the germination and/or growth of plants

摘要

Trichoderma atroviridestrain submitted in mycology department of Catholic University of Leuven under reference BCCM(RTM: Belgian Co-ordinated Collections of Micro-organisms)/MUCL 45632, is new. Independent claims are included for: (1) an Ascomycetessubmitted at the mycology department of Catholic University of Leuven under reference BCCM(RTM: Belgian Co-ordinated Collections of Micro-organisms)/MUCL 45632; (2) Trichoderma atrovirideclone obtained from the new strain; (3) a Trichoderma atrovirideBCCM(RTM: Belgian Co-ordinated Collections of Micro-organisms)/ MUCL 45632 culture medium comprising a Trichoderma atrovirideBCCM(RTM: Belgian Co-ordinated Collections of Micro-organisms)/MUCL 45632 and a substrate, preferably a vegetable substrate such as a substrate rich in polysaccharides like starch, hemicellulose and cellulose; (4) a dehydrated concentrate of Trichoderma atrovirideBCCM(RTM: Belgian Co-ordinated Collections of Micro-organisms)/MUCL 45632, preferably in powder form; (5) a process for obtaining a powder of Trichoderma atrovirideBCCM(RTM: Belgian Co-ordinated Collections of Micro-organisms)/MUCL 45632 comprising fermentation of the culture medium, dehydration at low temperature and optional grinding; (6) the powder obtained by the process; and (7) the preparation of the strain.