Medicinal crops include Glory Lily, Opium poppy, Medicinal yam, Atropa Belladonna, Neem etc.There are various pests that may cause damage to these crops.For the protection, a proper description of pests are given in below link:
1.Pests of Glory Lily
S.No. |
Pests |
|
| a. | Lily caterpillar |  |
| b. | Red Hairy Caterpillar |  |
| c. | Semilooper |  |
| d. | Tobacco Cutworm |  |
2.Pest of Long pepper
S.No. |
Pests |
|
| a. | Mealy bug: Dysmicoccus sp |  |
| b. | Tea mosquito bug: Helopeltis theivora |  |
3.Pests of Neem
a.Tea mosquito bug: Helopeltis theivora
4.Pests of Atropa Belladonna
a. Cutworm, Agrotis flammetra
- Larva attacks the tender seedlings during early summer months.
- Defoliation
Management:
-
Plough the field after harvesting the crop to expose hibernating pupae on the surface.
b. Leaf feeder, Archips imaccana
- Caterpillar feed on the leaves
- Larva defoliates the plant.
5.Pests of Opium poppy
S.No. |
Pests |
|
| a. | Cutworm: Agrotis spp | |
| b. | Aphid: Myzus persicae |  |
| c. | Capsule borer: Helicoverpa armigera |  |
6.Pests of Medicinal Yam
a. Yam Aphids: Aphis gossypii, Pentalonia nigronervosa
Symptoms of damage:
- Aphids cause damage to young seedlings
- Nymph and adults suck the sap from leaves and stems of young vines.
- As a result, new growth is adversely affected.
Identification of the pest:
A. gossypii
- Globular yellowish green to brown or black in colour.
Management:
- Spray neem oil 0.5% (or) NSKE 5%.
- Conserve natural enemies like parasitoids and predators
b.Yam Red spider mite: Tetranychus sp
Symptoms of damage:
- Red spider mites are found to infest laminary base adjoining petiole
- Development of necrotic areas on the upper surface of the leaf lamina
- Feeding injury predisposes the plant for fungal infection in D. floribunda and D. composita.
Identification of the pest:
- Nymphs and adults are red in colour.
- Eggs are laid on the ventral surface of the leaves and are whitish, spherical in shape
Management:
- Spray wettable sulphur 50 WP 2g/lit.
Source-
- TamliNadu Agritech Portal.
