Management of Needle-Eating Caterpillars Associated with Pinus massoniana and P. merkusii in Vietnam

Pine tussock moth (Dasychira axutha Collenette (Lymantriidae)) and masson pine caterpillar (Dendrolimus punctatus Walker (Lasiocampidae)) cause serious damage to Pinus massoniana and P. merkusii plantations in Vietnam. An in...

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Autores principales:	Dao Ngoc Quang, Pham Quang Thu, Nguyen Minh Chi, Le Van Binh, Nguyen Quoc Thong, Nguyen Hoai Thu, Vo Dai Nguyen, Bernard Dell
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	damage threshold <i>Dasychira axutha</i> <i>Dendrolimus punctatus</i> integrated pest management masson pine caterpillar pine tussock moth Plant ecology QK900-989
Acceso en línea:	https://doaj.org/article/77f6638348fe44c8ad0bed2b68416999
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spelling	oai:doaj.org-article:77f6638348fe44c8ad0bed2b684169992021-11-25T17:39:30ZManagement of Needle-Eating Caterpillars Associated with <i>Pinus massoniana</i> and <i>P. merkusii</i> in Vietnam10.3390/f121116101999-4907https://doaj.org/article/77f6638348fe44c8ad0bed2b684169992021-11-01T00:00:00Zhttps://www.mdpi.com/1999-4907/12/11/1610https://doaj.org/toc/1999-4907Pine tussock moth (<i>Dasychira axutha</i> Collenette (Lymantriidae)) and masson pine caterpillar (<i>Dendrolimus punctatus</i> Walker (Lasiocampidae)) cause serious damage to <i>Pinus massoniana</i> and <i>P. merkusii</i> plantations in Vietnam. An integrated pest management (IPM) program is required to control these pests. Therefore, this study was undertaken to identify damage thresholds and to evaluate control options for implementing IPM in the Northeast and North Central regions of Vietnam. Three damage thresholds were considered: <25%, 25%–50% and >50% loss of leaf area. Control options were manual collection of eggs and pupae and the use of light traps and biological agents. An initial IPM model was developed for each pest and these gave control efficacies of 82.4% (<i>Da. axutha</i> on <i>P. massoniana</i>) and 77.8% (<i>De. punctatus</i> on <i>P. merkusii</i>). Six extended IPM models were undertaken by forest companies giving pest control efficacies of 79.2%–85.9%. The collection of pine resin provides an important source of income to local communities and the resin yield in the IPM models increased by 20.9%–22.7% compared to untreated control plots. The IPM protocols would help in developing policies that promote a more sustainable management of forest pests in Vietnam, thus reducing dependence on the use of insecticides of environmental and public health concerns.Dao Ngoc QuangPham Quang ThuNguyen Minh ChiLe Van BinhNguyen Quoc ThongNguyen Hoai ThuVo Dai NguyenBernard DellMDPI AGarticledamage threshold<i>Dasychira axutha</i><i>Dendrolimus punctatus</i>integrated pest managementmasson pine caterpillarpine tussock mothPlant ecologyQK900-989ENForests, Vol 12, Iss 1610, p 1610 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	damage threshold <i>Dasychira axutha</i> <i>Dendrolimus punctatus</i> integrated pest management masson pine caterpillar pine tussock moth Plant ecology QK900-989
spellingShingle	damage threshold <i>Dasychira axutha</i> <i>Dendrolimus punctatus</i> integrated pest management masson pine caterpillar pine tussock moth Plant ecology QK900-989 Dao Ngoc Quang Pham Quang Thu Nguyen Minh Chi Le Van Binh Nguyen Quoc Thong Nguyen Hoai Thu Vo Dai Nguyen Bernard Dell Management of Needle-Eating Caterpillars Associated with <i>Pinus massoniana</i> and <i>P. merkusii</i> in Vietnam
description	Pine tussock moth (<i>Dasychira axutha</i> Collenette (Lymantriidae)) and masson pine caterpillar (<i>Dendrolimus punctatus</i> Walker (Lasiocampidae)) cause serious damage to <i>Pinus massoniana</i> and <i>P. merkusii</i> plantations in Vietnam. An integrated pest management (IPM) program is required to control these pests. Therefore, this study was undertaken to identify damage thresholds and to evaluate control options for implementing IPM in the Northeast and North Central regions of Vietnam. Three damage thresholds were considered: <25%, 25%–50% and >50% loss of leaf area. Control options were manual collection of eggs and pupae and the use of light traps and biological agents. An initial IPM model was developed for each pest and these gave control efficacies of 82.4% (<i>Da. axutha</i> on <i>P. massoniana</i>) and 77.8% (<i>De. punctatus</i> on <i>P. merkusii</i>). Six extended IPM models were undertaken by forest companies giving pest control efficacies of 79.2%–85.9%. The collection of pine resin provides an important source of income to local communities and the resin yield in the IPM models increased by 20.9%–22.7% compared to untreated control plots. The IPM protocols would help in developing policies that promote a more sustainable management of forest pests in Vietnam, thus reducing dependence on the use of insecticides of environmental and public health concerns.
format	article
author	Dao Ngoc Quang Pham Quang Thu Nguyen Minh Chi Le Van Binh Nguyen Quoc Thong Nguyen Hoai Thu Vo Dai Nguyen Bernard Dell
author_facet	Dao Ngoc Quang Pham Quang Thu Nguyen Minh Chi Le Van Binh Nguyen Quoc Thong Nguyen Hoai Thu Vo Dai Nguyen Bernard Dell
author_sort	Dao Ngoc Quang
title	Management of Needle-Eating Caterpillars Associated with <i>Pinus massoniana</i> and <i>P. merkusii</i> in Vietnam
title_short	Management of Needle-Eating Caterpillars Associated with <i>Pinus massoniana</i> and <i>P. merkusii</i> in Vietnam
title_full	Management of Needle-Eating Caterpillars Associated with <i>Pinus massoniana</i> and <i>P. merkusii</i> in Vietnam
title_fullStr	Management of Needle-Eating Caterpillars Associated with <i>Pinus massoniana</i> and <i>P. merkusii</i> in Vietnam
title_full_unstemmed	Management of Needle-Eating Caterpillars Associated with <i>Pinus massoniana</i> and <i>P. merkusii</i> in Vietnam
title_sort	management of needle-eating caterpillars associated with <i>pinus massoniana</i> and <i>p. merkusii</i> in vietnam
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/77f6638348fe44c8ad0bed2b68416999
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Management of Needle-Eating Caterpillars Associated with <i>Pinus massoniana</i> and <i>P. merkusii</i> in Vietnam

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