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Marigold Root Extract / alpha-Terthienyl

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A New Generation Insecticide

Marigold Root Extract

Botanical Source: Tagetes erecta L.

Plant Part Used: Root

CAS No.: 1081-34-1

Active Ingredient: Alpha-terthienyl 0.1%

Appearance: Fine Brown Powder Particle Size: 80 Mesh
Loss on Drying: NMT 5.0% Ash   Content: NMT 5.0%
Total Plate Count: < 10,000cfu/g Total   Yeast & Mold: < 1,000cfu/g 
E. Coli: Negative Salmonella: Negative

Heavy Metals
Arsenic (As): NMT 2ppm Lead (Pb): NMT 3ppm
Cadmium (Cd): NMT 0.5ppm Mercury (Hg): NMT 0.1ppm


Marigold plant is bushy with many smooth, upright, unbranched stems. In late summer it bears clusters of small yellow flower heads on the ends of the stems. The flower heads are about 0.5 in (1.3 cm) across and have 3-5 golden-yellow ray florets. The flowers are hermaphroditic (have both male and female organs) and are pollinated by insects.

Main Functions:

KINGHERBS' Marigold root extract is used as a new generation insecticide, fungicides, and nematocides. Tagetes has insecticidal componentsin its leaves, fowers, and roots. Marigold roots contain the light-sensitive compound alpha terthienyl, which can suppress nematode populations and improve the growth of plants like tobacco and tomatoes. A phototoxin extracted from marigolds, alpha-terthienyl, was shown to be extremely insecticidal against.

Shipment Details:
1. Packing: Packed in fiber drum, LDPE bag inside. Net weight: 25kgs/drum; 
2. Storage: Keep tightly sealed, store away from moisture, strong heat and sunlight;
3. Lead time: 7-10days after order confirmed;
4. Shelf Life: 2 years if sealed and stored in the recommended conditions.

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Office: 27Fl, Blding A, Cimen, Wanjiali Rd, 410014, Changsha, Hunan, China
Factory: Baishui & DongAn Industry Park, Yongzhou, Hunan, China