आँपमा लाग्ने किराहरु तथा तिनको व्यवस्थापन
Mango leaf Webber, (Orthaga euadrusalis)
- Removal of leaf webs and burning them.
- Manual or mechanical destruction of webs with long hooked bamboo poles can curb the spread of the pest to some extent.
- Pruning infested shoots during June-July and burning them, helps in cutting down the pest population.
- Parasites like Brachyameria eascus are found to effectively control the pest.
- Raking the soil around the base of the trees in January and spraying insecticides like Chlorpyriphos at 2ml/liter of water (2500 ml in 1250 liters of water per hectare) immediately after disturbance of webs result effective management.
- Quinalphos 25 EC @ 1.5 ml/liter of water (1875ml in 1250 liters of water per hectare) or Acephate @ 1.5 gram/liter of water (1875 g in 1250 liters of water per hectare).
Mango Gall Psyllid (Apsylla castella)
- Collect and destroy gall.
- Spray 1.7 liters of dimethoate 30 EC in 1250 liters of water per hectare.
Mango Stone Weevil (Sternochetus magniferae)
- Destroying all fallen fruits, weevilled mango and dispose of refuse, stone, debris etc.
- Being internal feeder, weevil is not affected by insecticides unless treatment is done early (Feb-May) to kill the adult awaiting the formation of ripe fruits.
Mango Mealy Bug (Drosicha magniferae)
- Remove weeds from orchard.
- Ploughing of orchards at summer expose to natural enemies.
- Using 15-20 cm wide sticky band with plastic sheet around the trunk above the ground level during 2nd week of December.
- Nymph found congregating below the lower edge of plastic sheet should be killed mechanically or applying Deltamehrin.
Mango Hopper (Idioscopus niveosparsus)
- Avoid high density planting.
- Do not encourage plants to put intermittent flushes by regular irrigation and split dose of nitrogen.
- Avoid waterlogged and damp condition.
- Prune plant at winter for better light penetration.
- Spray 3 liters Dimethoate 30 EC in 1250 liters of water or 2-5 kg of Carbaryl 50 WP in 1250 liter of water.
Mango Stem Borers (Batocera rufomacutata)
- Cut and destroy the infected branches with grub and pupae within.
- Remove grass near the holes and inject 10 ml of Deltamethrin/Quinalphos inside hole & plugging by moist soil.
- Placing Aluminum phosphide tablet inside the hole and plugging with most soil.
- Injecting kerosene/petrol in hole and plugging with moist soil.
लिचिमा लाग्ने किराहरु तथा तिनको व्यवस्थापन
लिचीको पतेरो (Litchi Stink Bug)
- बगैचाको सरसफाई ।
- संक्रमित शाखा र रूखहरूको भागको प्रारम्भिक काटछाँट।
- प्रति हेक्टर १२५० लिटर पानीमा ३ लिटर डाइमेथोएट ३० ई.सी. प्रयोग गर्नुहोस्।
पात बटार्ने सुलसुले (Leaf Curl Mite)
- प्रति हेक्टर ५००-१००० लिटर पानी प्रयोग गरेर १०० मिलीलीटर Propagites 57 EC स्प्रे गर्नुहोस् । नयाँ पालुवा आउनभन्दा पहिले स्प्रे गर्नुहोस्।
- माइट फ्री रोपण सामग्रीको प्रयोग गर्ने ।
- प्रभावित भाग छाँट्नुपर्दछ ।
