The genus Trichoderma includes species of great biotechnological value, both for their mycoparasitic activities and for their ability to produce extracellular hydrolytic enzymes. Although activity of extracellular laccase has previously been reported in Trichoderma spp., the possible number of isoenzymes is still unknown, as are the structural and functional characteristics of both the genes an...

Studies have only recently begun to underline the importance of including data on the physiological flexibility of a species when modelling its vulnerability to extinction from climate change. We investigated the effects of a 4°C increase in ambient temperature (Ta), similar to that predicted for southern Africa by the year 2080, on certain physiological variables of a 10-12 g passerine bird en...

Interpreting how far organisms within fossil assemblages may have been transported and if they all originated from the same location is fundamental to understanding whether they represent true palaeocommunities. In a three-factorial experimental design, we used an annular flume to generate actualistic sandy sediment-density flows that were fast (2 ms-1) and fully turbulent in order to test the ...

Sequences of the internal transcribed spacer region 1 (ITS1) of the ribosomal DNA were used to determine the phylogenetic relationships of species of Trichoderma sect. Pachybasium. To this end, 85 strains-including all the available ex-type strains-were analyzed. Parsimony analysis demonstrated that the section is nonmonophyletic, distributing the 85 strains among three main groups that were su...

Chemical fungicides viz. propiconazole, thiram, bayleton, copper-oxy-chloride, benomyl and mancozeb in three different concentrations were screened for their fungicidal efficacy against P. pinnata seed mycoflora viz., Penicillium sp., A. oryzae, A. ustus, A. sydowii, A. fumigatus, A. flavus, A. niger, Rhizopus sp., Fusarium sp., C. gloeosporioides and Absidia sp. in in-vitro conditions by poiso...

Nine fungicides namely: carbendazim, hexaconazole, thiophonate methyl, triadimefan, metalaxyl, mancozeb, captan, copper oxychloride and chlorothalonil and seven bioagents namely: Trichoderma harzianum, Trichoderma viride, Gliocladium virens, Lacaria laccata, Boletus edulis, Suillus placids and Russula lutea were evaluated in vitro by using dual culture and cultural filtrate techniques for their...