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  Estonian Journal of Ecology

ISSN 1736-7549 (electronic)   ISSN 1736-602X (print)
An international scientific journal

Formerly: Proceedings of the Estonian Academy of Sciences: Biology, Ecology
(ISSN 1406-0914)
Published since 1952
 

Estonian Journal of Ecology

ISSN 1736-7549 (electronic)   ISSN 1736-602X (print)
An international scientific journal

Formerly: Proceedings of the Estonian Academy of Sciences: Biology, Ecology
(ISSN 1406-0914)
Published since 1952
 

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Screening indigenous tree species for suitable tree–crop combinations in the agroforestry system of Mizoram, India; pp. 269–278

(Full article in PDF format) doi: 10.3176/eco.2008.4.04


Authors

Munesh Kumar, Siiolyne Singshi, Bhupendra Singh

Abstract

The study was conducted in the northeastern state of Mizoram in India to find out the allelopathic effect of trees on agricultural crops. The study was conducted in a bioassay culture and a pot culture. The following results were received:

· In the bioassay culture, the germination and radicle length of all food crops decreased in leaf and bark extracts of Aporosa octandra, Anthocephallus chinensis, and Albizzia procera compared with the control, except the radicle length of Glycine max in the bark extract of Anthocephallus chinensis.

· In the pot culture, Glycine max was the most resistant crop (irrespective of trees and growth media), which showed the highest germination (75.28%) followed by Oryza sativa (68.33%) and Brassica campestris (54.44%). The length of crops (irrespective of growth media and crops) was the largest (86.39 cm) in combination with Anthocephallus chinensis, followed by Albizzia procera (83.85 cm) and Aporosa octandra (81.85 cm).

· Dry matter production of crops was highest in Anthocephallus chinensis (1.06 g/plant) followed by Aporosa octandra (0.83 g/plant) and Albizzia procera (0.81 g/plant).

Thus, we concluded that the order of tree suitability for crops was Anthocephallus chinensis > Albizzia procera > Aporosa octandra and that of crops to trees was Glycine max > Oryza sativa > Brassica campestris.

Keywords

allelopathy, allelochemical, dry matter production, growth media, growth inhibition, growth stimulation.

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