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SPREAD AND TRIAL TREATMENTS OF CITRUS LEAF MINER (Phyllocnistis citrella Stainton) -IN NGHE AN PROVINCE
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: 1344-bb-sau-hai-cam.rar
Publishing year: 8/2022
This study provides data for the spread and trial treatmnets to control citrus leaf miner (CLM) in Nghe An province. The research was carried out according to QCVN 01 - 119: 2012/BNNPTNT and TCCS 80:2014/BVTV. The results of damage trend of CLM in 2020 in Nghe An showed that: average damage rate was from 3.51 to 8.28% and the highest damage level was found in the autumn (August, September). CLM was the most hamful insect in citrus genus at Tan Ky district, but the lowest in Quy Hop district. The spread of CLM depended on the buds of orange trees and using insecticide by farmers. At field conditions, the Reasgant 3.6EC was the most effective reaching the hightest rate at 71.66% after 10 days treatment. The efficiency of herbal extract was 61.52% after and it can be used effectively to spray regularly to have better following the young buds of orange trees.
Orange, Nghe An province, control, spread, citrus leaf miner.
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