Ecofriendly Management of Rugose Spiralling Whitefly Aleurodicus rugioperculatus Martin Infesting Coconut

نویسندگان

چکیده

Studies were conducted on the incidence, intensity of infestation, infestation grade index and natural enemy complex rugose spiralling whitefly (RSW) Aleurodicus rugioperculatus Martin infesting coconut palms so as to evolve ecofriendly IPM. RSW incidence was at peak in June 2018 (38.3%), subsequently declined December (20.5%), but later attained again March 2019 (47.5%). The pest also showed increasing trend from January 2019. mean 29.5% 1.5 (medium), respectively 2018-2019. significantly reduced 75.5 37.7% 85.7 42.9%, treated with IPM practices 2018-19. Nut yield net return found more synergy maximum parasitism (78.5%) by aphelinid parasitoid Encarsia guadeloupae Viggiani observed practices.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

First Report on the Whitefly, Aleurodicus pseudugesii on the Coconut Palm, Cocos nucifera in Brazil

The coconut palm, Cocos nucifera L. (Arecales: Arecaceae), is currently grown extensively throughout the intertropical zones of the world, including Brazil, where it constitutes an important source of income for growers. Although whiteflies are not normally considered coconut pests, these insects can damage crops directly by sucking the sap, which weakens the plant; indirect damage may be cause...

متن کامل

Pathogenicity, Ovicidal Action, and Median Lethal Concentrations (LC50) of Entomopathogenic Fungi against Exotic Spiralling Whitefly, Aleurodicus dispersus Russell

Biological control using entomopathogenic fungi could be a promising alternative to chemical control. Entomopathogenic fungi, Beauveria bassiana (Balsamo) Vuillemin, Metarhizium anisopliae (Metschnikoff) Sorokin, Lecanicillium lecanii (Zimmerm.) Zare and Gams, and Paecilomyces fumosoroseus (Wize) Brown and Smith, were tested for their pathogenicity, ovicidal effect, and median lethal concentrat...

متن کامل

Discovery of a New World ladybird beetle Nephaspis indus Gordon, 1996 (Coleoptera: Coccinellidae: Scymnini) on the Island of Taiwan

BACKGROUND Nephaspis indus Gordon, 1996 was imported into Taiwan from Hawaii in 1990 as a biological control agent for the spiralling whitefly, Aleurodicus dispersus Russell, 1965 (Hemiptera: Aleyrodidae). However, its establishment was not known prior to this study. NEW INFORMATION Nephaspis indus Gordon, 1996, a natural enemy of Aleurodicus dispersus Russell (Hemiptera: Aleyrodidae) native ...

متن کامل

Efficacy of Some Insecticides Against Whitefly (Bemisia tabaci Genn.) Infesting Cotton under Field Conditions

Seven insecticides, viz. Megamos 20SL, Actara 25WG, Polo 500SC, Sitara 25WP, Nighaban 20EC, Thiodan 35EC and Confidor 200SL were evaluated at their field recommended doses for their efficacy against whitefly (Bemisia tabaci Genn.) on cotton, at the farmer’s field in Dera Ghazi Khan during 2007. The insecticides were applied at ETL’s of whitefly. All the test insecticides caused significant mort...

متن کامل

They are Different: Molecular Approach on Tirathaba Pest Infesting Oil Palm and Coconut Tree

High infestation rate of Tirathaba mundella was reported from many oil palm plantations established on peat Masijan et al. [1]. The infestation is identified by the presence of long tubes of silk and frass which is built by the pest. The larvae stage of pest does most of the damage by feeding or scraping leaving holes on immature fruitlets. Larvae of early instar stage often attack on male infl...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Indian journal of entomology

سال: 2022

ISSN: ['0367-8288', '0974-8172']

DOI: https://doi.org/10.55446/ije.2021.317