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Control of silverleaf whitefly, cotton aphid and kanzawa spider mite with oil and extracts from seeds of sugar apple / Controle da mosca-branca, do pulgão do algodoeiro e do ácaro de kanzawa com óleo e extratos de sementes de fruta-do-conde
Lin, Chien-Yih; Wu, Der-Chung; Yu, Jih-Zu; Chen, Bing-Huei; Wang, Chin-Ling; Ko, Wen-Hsiung.
  • Lin, Chien-Yih; Asia University. College of Health Science. Taichung. TW
  • Wu, Der-Chung; Taiwan Agricultural Research Institute. Department of Applied Zoology. Taichung. TW
  • Yu, Jih-Zu; Taiwan Agricultural Research Institute. Department of Applied Zoology. Taichung. TW
  • Chen, Bing-Huei; Taiwan Agricultural Research Institute. Department of Applied Zoology. Taichung. TW
  • Wang, Chin-Ling; Taiwan Agricultural Research Institute. Department of Applied Zoology. Taichung. TW
  • Ko, Wen-Hsiung; National Chung Hsing University. Department of Plant Pathology. Taichung. TW
Neotrop. entomol ; 38(4): 531-536, July-Aug. 2009. ilus, tab
Article in English | LILACS | ID: lil-525844
ABSTRACT
Development of alternative methods for pest management is needed with the increased concern for adverse effects of pesticides for human health and the environment. The main goal of our study was to test the oil from seeds of sugar apple (Annona squamosa), an edible tropical fruit for pest control. The oil pressed out of seeds was as effective in controlling the silverleaf whitefly, Bemisia argentifolii Bellows & Perring (Homoptera Aleyrodidae), infesting leaves of tomato plants in greenhouse conditions as the recommended insecticide, with the advantage of not being phytotoxic. When observed with a scanning electron microscope, the seed oil caused whitefly nymphs to shrink and detach from the leaf surface. Sugar apple seed oil was also very effective in controlling the cotton aphid, Aphis gossypii Glover (Homoptera Aphididae), on melon leaves and the Kanzawa spider mite, Tetranychus kanzawai Kishida (Acari Tetranychidae), on soybean leaves. The study revealed the possibility of developing the oil from sugar apple seeds, an agricultural waste, into a broad spectrum product friendly to the environment and human health for crop pest management.
RESUMO
É crescente a necessidade de desenvolvimento de métodos alternativos para o manejo de pragas com o aumento da consciência pública sobre os efeitos adversos de pesticidas à saúde humana e ao ambiente. O objetivo principal deste trabalho foi o de avaliar o óleo de sementes de fruta-do-conde (Annona squamosa), uma fruta tropical comestível, para o controle de pragas. O óleo prensado de sementes foi tão eficiente quanto o pesticida recomendado para controle da mosca-branca Bemisia argentifolii Bellows & Perring (Homoptera Aleyrodidae) infestando folhas de tomate em casa-de-vegetação, com a vantagem de não apresentar fitotoxicidade. Em observações ao microscópio eletrônico de varredura, o óleo de semente induziu ao ressecamento das ninfas e o seu desprendimento da superfície da folha. O óleo de sementes de fruta-do-conde também foi eficaz no controle do pulgão do algodoeiro, Aphis gossypii Glover (Homoptera Aphididae), infestando folhas de melão, e do ácaro de Kanzawa, Tetranychus kanzawai Kishida (Acari Tetranychidae), em folhas de soja. Este estudo revelou a possibilidade de utilizar o óleo de sementes de fruta-do-conde, um sub-produto agrícola, como produto de largo espectro de ação mas seguro ao ambiente e à saúde humana, em programas de manejo de pragas agrícolas.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Aphids / Seeds / Plant Oils / Plant Extracts / Pest Control / Tetranychidae / Annona / Hemiptera Limits: Animals Language: English Journal: Neotrop. entomol Journal subject: Biology / ZOOLOGIA Year: 2009 Type: Article / Project document Affiliation country: Bangladesh / Taiwan Institution/Affiliation country: Asia University/TW / National Chung Hsing University/TW / Taiwan Agricultural Research Institute/TW

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Full text: Available Index: LILACS (Americas) Main subject: Aphids / Seeds / Plant Oils / Plant Extracts / Pest Control / Tetranychidae / Annona / Hemiptera Limits: Animals Language: English Journal: Neotrop. entomol Journal subject: Biology / ZOOLOGIA Year: 2009 Type: Article / Project document Affiliation country: Bangladesh / Taiwan Institution/Affiliation country: Asia University/TW / National Chung Hsing University/TW / Taiwan Agricultural Research Institute/TW