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19
Jul

Control of Thrips

• Spray any one of the following in nursery stage Phosphamidon 40 SL 50 ml Monocrotophos 36 SL 40 ml Endosulfan 35 EC 80 ml • Spray any one of the following in main field stage Phosphamidon 40 SL 300 ml Monocrotophos 36 SL 30 ml
19
Jul

Life stages of Thrips

1. Egg: Eggs laid singly in the tissues of the tender leaves on the sides facing the stem. Eggs are hyaline and turn pale yellow as they mature.

2. Nymph: Newly hatched nymphs are transparent but turn yellowish white after the first moult and possess darker legs, head and antennae.

3. Pupa: Pupation takes place inside the rolled leaves and appendages and wings are clearly visible.

19
Jul

Symptoms and Nature of damage of Thrips

Symptom of attack of Thrips: Affected nurseries present a pale yellow colour with brown tips. On passing the wet palm over the top of the seedlings a large number of black adults and yellowish nymphs may be seen striking to the palm. The infestation invariably disappears after sharp showers.

Nature of damage of Thrips:

19
Jul

Thrips

Order: Thysanoptera

Family : Thripida

Scientific name : Stenchaetothrips biformis

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