Allelopathic potential of different extract concentrations of sunflower (Helianthus annus, L.), maize (Zea mays, L.), bean (Phaseolus vulgaris, L.) and sweet potato (Ipomoea batata, L.) on the initial growth and development of common bean (Phaseolus vulga
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Abstract
agroecosystems, plants release an appreciable quantity of
biologically active compounds to the medium. Some of them
act as inhibitors of seed germination or affect plant growth.
These are allelopathic substances and their inhibiting action
is known as allelopathy. This research work was aimed at
determining the effect of water extracts of sunflower
(Helianthus annus, L.), maize (Zea mays, L.), bean (Phaseolus
vulgaris, L.) and sweet potato (Ipomaea batata, L.) on the growth
and initial development of bean (Phaseolus vulgaris, L.) var.
Tomeguín-94. Results showed a negative effect of these
extracts on the germination, survival and stem length of
common bean, without affecting root length in any case.
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