Grass seed infection following inundation withPyrenophora semeniperda

Autor:	Mathew Alexander Campbell, Richard William Medd
Rok vydání:	2005
Předmět:	biology ved/biology Lolium rigidum Vulpia bromoides ved/biology.organism_classification_rank.species food and beverages Bromus diandrus biology.organism_classification Conidium Agronomy Anthesis Germination Seedling Insect Science Avena fatua Agronomy and Crop Science
Zdroj:	Biocontrol Science and Technology. 15:21-36
ISSN:	1360-0478 0958-3157
Popis:	Seed infection by the seed-borne pathogen Pyrenophora semeniperda was demonstrated following inundative applications of the fungus to several annual grass weeds and wheat. The optimum time for applying inoculum was found to be around mid-anthesis in wheat. Applications of inoculum during and after anthesis in field experiments resulted in seed infection that manifested as stromatal development which affected germination or reduced seedling vigour. In an initial field experiment, >70% of Bromus diandrus seeds exhibited stromata of P. semeniperda. In a field comparison of inoculum types, conidial suspensions resulted in the greatest level of seed infection of B. diandrus compared with several types of inoculum containing mycelium fragments. Inundation of Avena fatua, Lolium rigidum, Hordeum leporinum, Vulpia bromoides and B. diandrus under field conditions with conidia of P. semeniperda also resulted in either the failure of infected seeds to germinate or a reduction of seedling vigour. It is concluded that...
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::f52653afa879de524535cff0de8b1383 https://doi.org/10.1080/09583150410001720635 Zobrazit plný text záznamu