Tagetes minuta (marigold)
Asteraceae

General

Fact sheet about Tagetes minuta

An introduced garden ornamental, native to Central America, widely planted in public and private gardens. Nowadays it is found as an escape in fields and along riverbanks, even at elevations above 600 m. It is an erect annual herb, branching above, growing up to ca. 90 cm high, rooting at the lower nodes. Leaves usually are alternate, deeply divided with toothed leaflets which are linear-elliptic.

Plant parts with insect-controlling properties
leaves, flowers, seeds, roots, whole plant

Mode of action
repellent, insect-controlling, fungicidal, nematocidal

Target organisms
General grain pests, aphids, bean pod weevil, caterpillars diamondback moth, leaf beetle, leafhoppers grasshoppers

Preparation and application
Collect leaves and seeds of the plant and dry them, then pound them into a powder. Mix 20 litres of grain with 1/4 litre of marigold powder.

Cut fresh marigold plants and place them inside the sotre room about 1 inch thick. Then fill the granary with the grains. On top of these spread another layer of crushed marigold.

 

 

 

 

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Copyright © 2011
The Natural Resources Institute, University of Greenwich

 

 

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