Determination of allelopathic effect of some invasive weed species on germination and initial development of grain legume crops | Zendy

Plamen Marinov-Serafimov | Zendy

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Determination of allelopathic effect of some invasive weed species on germination and initial development of grain legume crops

Author(s) -

Plamen Marinov-Serafimov

Publication year - 2010

Publication title -

pesticidi i fitomedicina

Language(s) - English

Resource type - Journals

eISSN - 2406-1026

pISSN - 1820-3949

DOI - 10.2298/pif1003251m

Subject(s) - solanum nigrum , allelopathy , biology , sativum , weed , germination , vicia sativa , pisum , chenopodium , agronomy , dry weight , avena , biomass (ecology) , horticulture , legume , botany

SUMMARY During the 2006-2007 period, the allelopathic effect of cold water extracts from Amaranthus retroflexus L., Chenopodium album L., Erigeron canadensis L. and Solanum nigrum L. on seed germination and initial development of Glycine max L., Pisum sativum L. and Vicia sativa L. was studied under laboratory conditions in the Institute of Forage Crops, Pleven. It was found that: water extracts from fresh and dry biomass of A. retroflexus, Ch. album, E. canadensis and S. nigrum had an inhibitory effect on seed germination of G. max, P. sativum and V. sativa, the inhibition rate for the extracts from fresh biomass varying from 28.8 to 81.5% and for the extracts from dry weed biomass it was from 26.8 tо 89.2%; The values of LC50 varied from 13.5 tо 72.2 g l -1 for the extracts from fresh biomass and from 7.0 tо 84.1 g l -1 for the extracts from dry weed biomass and they could be conditionally grouped in the following ascending order: A. retroflexus < S. nigrum < E. canadensis

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