Non-native earthworms have invaded ecosystems around the world but have recently received increased attention as they invaded previously earthworm-free habitats in northern North America. Earthworms can affect plants by ingesting seeds and burying them in the soil. These effects can be negative or positive but are expected to become increasingly negative with decreasing seed size. Orchids have ...

Truffles are hypogeous ectomycorrhizal (EM) fungi belonging to the genus Tuber. Although outplanting of truffle-inoculated host plants has enabled the realization of productive orchards, truffle cultivation is not yet standardized. Therefore, monitoring the distribution of fungal species in different truffle fields may help us to elucidate the factors that shape microbial communities and influe...

Many photosynthetic plants supplement carbon with fungal carbon, but the mechanisms that govern dependence on mycoheterotrophic are poorly understood. We used exclusion shelters to manipulate water and light availability of terrestrial orchids Goodyera pubescens Tipularia discolor . tracked changes in δ 13 C from photosynthesis 15 N acquired soil-derived inorganic nitrogen versus mycoheterotrop...

Abstract. Laily AN, Daryono BS, Purwantoro A, Purnomo. 2022. Various macro and micro-morphological characters of three sex types highland papaya (Vasconcellea pubescens) in Java, Indonesia. Biodiversitas 23: 6238-6246. Highland pubescens A.DC.), locally called karika, is a fruit plant successfully introduced to V. plays an essential role as it contains various substances that can be used ingred...

There is an emerging consensus that the intent of most species concepts is to identify evolutionarily distinct lineages. However, the criteria used to identify lineages differ among concepts depending on the perceived importance of various attributes of evolving populations. We have examined five different species criteria to ask whether the three taxonomic varieties of Humulus lupulus (hops) n...

Thirty-two weeds commonly found in the organic soils of southwestern Quebec were evaluated for host suitability to a local isolate of the northern root-knot nematode Meloidogyne hapla under greenhouse conditions. Galls were observed on the roots of 21 species. Sixteen of the 21 had a reproduction factor (Pf/Pi = final number of M. hapla eggs and juveniles per initial number of M. hapla juvenile...