Allelopathic effects of redroot pigweed (Amaranthus retroflexus L.) on germination & growth of cucumber, alfalfa, common bean and bread wheat
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چکیده
منابع مشابه
Interference between Redroot Pigweed (Amaranthus retroflexus L.) and Cotton (Gossypium hirsutum L.): Growth Analysis
Redroot pigweed is one of the injurious agricultural weeds on a worldwide basis. Understanding of its interference impact in crop field will provide useful information for weed control programs. The effects of redroot pigweed on cotton at densities of 0, 0.125, 0.25, 0.5, 1, 2, 4, and 8 plants m(-1) of row were evaluated in field experiments conducted in 2013 and 2014 at Institute of Cotton Res...
متن کاملImpact of Kenaf (Hibiscus cannabinus L.) Leaf, Bark, and Core Extracts on Germination of Five Plant Species
The chemical interaction between plants, which is referred to as allelopathy, may result in the inhibition of plant growth and development. The objective of this research was to determine the impact of kenaf (Hibiscus cannabinus L.) plant extracts on the seed germination of five plant species. Four concentrations (0, 16.7, 33.3 and 66.7 g/L) of kenaf leaf, bark, and core extracts were applied t...
متن کاملAllelopathic effects of Chenopodium album, Amaranthus retroflexus and Cynodon dactylon on germination and growth of safflower
According to the importance and diversity of Chenopodium album, Cynodon dactylon and Amaranthus retroflexus in safflower fields and significant role of safflower (Carthamus tinctorius L.) as an oil seed, an experiment was conducted using CRD based factorial design with three replications to study the allelopathic effects of root and shoot extracts of these weeds on germination and early growth ...
متن کاملallelopathic effects of pigweed (amaranthus retroflexus l.) organs on seed germination and seedling growth of canola (brassica napus l.)
greenhouse and laboratory studies were conducted to examine the allelopathic effects of water extracts of pigweed (amaranthus retroflexu l.) leaf, stem, root and flower at different growth stages on canola seed germination and seedling growth. water extracts of leaf, stem, root and flower as individually, binary, ternary and quadri mixtures at 0, 50 and 100% concentrations were made and their e...
متن کاملallelopathic effects of sunflower (helianthus annuus ) on germination and initial growth of redroot pigweed (amaranthus retroflexus ) and common lambsquarter (chenopodium album )
abstract recently weed scientist are more interested in weed management by allelopathy . the main objective of the study was to evaluate allelopathic potential of sunflower on redroot pigweed and common lambsquarter. this study was conducted in two series of laboratory and greenhouse experiments. under laboratory conditions, leaf, stem and root aqueous extracts of sunflower at 0%, 2.5%, 5%, 7.5...
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ژورنال
عنوان ژورنال: Acta agriculturae Slovenica
سال: 2015
ISSN: 1581-9175,1854-1941
DOI: 10.14720/aas.2015.105.2.02