Results 61 to 70 of about 1,288 (189)

Biological Control of Hazelnut Weevil (Curculio nucum L., Coleoptera, Curculionidae) Using the Entomopathogenic Fungus Beauveria bassiana (Balsamo) Vuill. (Deuteromycotina, Hyphomycetes) [PDF]

open access: yes, 2005
The need to biologically control phytophagous insects has led researchers to consider using microorganisms to control insect pests in the field. On this basis, we decided to conduct field tests to determine the effectiveness of a commercial product made ...
Paparatti, Bruno, Speranza, Stefano
core   +1 more source

Estimation of the population density of the sweetpotato weevils on the Mariana Islands

open access: yesJournal of Entomological and Acarological Research, 2012
The sweetpotato Ipomoea batatas L. (Convolvulaceae) has been one of the most important foods for Pacific islanders for centuries. However, the yield levels have been declining in the recent past due to the presence of sweetpotato weevils Cylas ...
Gadi V.P. Reddy   +2 more
doaj   +1 more source

First Field Collection of the Rough Sweetpotato Weevil, Blosyrus asellus (Olivier) (Coleoptera: Curculionidae), on Hawaii Island, with Notes on Detection Methods [PDF]

open access: yes, 2016
Rough sweetpotato weevil, Blosyrus asellus (Olivier) (Coleoptera: Cur- culionidae), was first detected in the state of Hawaii at a commercial Okinawan sweetpotato farm in Waipio, Oahu, on 14 November 2008. Damage by this weevil species differs from other
Kumashiro, Bernarr R.   +2 more
core  

Aphid acceptance of Hordeum genotypes is affected by plant volatile exposure and is correlated with aphid growth [PDF]

open access: yes, 2009
Nineteen genotypes of Hordeum vulgare were characterized as partially resistant or susceptible regarding growth of the bird cherry - oat aphid (Rhopalosiphum padi L.).
Ninkovic, Velemir, Åhman, Inger
core   +1 more source

Determining the Presence or Absence of Euscepes postfasciatus in Haiti and use of Molecular Markers for the Distinction of Cylas formicarius elangantulus Biotypes [PDF]

open access: yes, 2019
Cylas formicarius elegantulus (Summers) and Euscepes postfaciatus (Fairmaire) are the most destructive sweetpotato weevils in the Caribean Basin. However, damage occurring in sweetpotato production in Haiti is attributed to C.
Lexidort, Marie Rachele
core   +2 more sources

Infleld damage by sweetpotato weevil, Cylas formicarius(FABRICIUS)to sweet potato.

open access: yesKyushu Plant Protection Research, 1991
Field surveys were couducted on the damage of sweet potato by sweetpotato weevil, Cylas formicarius (FABRICIUS) in sweet potato fields. Damage to sweet potato by larvae spread from vines to tubers, and also spread from the periphery of the field to the center.
Osamu SETOKUCHI, Katsumi NAKAO
openaire   +2 more sources

Comparative susceptibility of sweetpotato weevil (Coleoptera: Brentidae) to selected insecticides [PDF]

open access: yes, 2006
The response of sweetpotato weevil, Cylas formicarius (F.) (Coleoptera: Brentidae), to insecticides used for its control was tested in laboratory bioassays.
Hammond, Abner M., Smith, Tara P.
core   +2 more sources

Khả năng gây bệnh của nấm ký sinh đối với thành trùng sùng khoai lang, Cylas formicarius Fabr. (Coleoptera: curculionidae)

open access: yesTạp chí Khoa học Đại học Cần Thơ, 2016
Khả năng gây bệnh của ba loài nấm ký sinh Metarhizium anisopliae, Beauveria bassiana và Paecilomyces sp. đối với thành trùng sùng khoai lang, Cylas formicarius (Coleoptera: Curculionidae), đã được khảo sát trong điều kiện phòng thí nghiệm.
Phạm Kim Sơn   +2 more
doaj   +1 more source

UJI KETAHANAN BEBERAPA VARIETAS UBI JALAR (IPOMOEA BATATAS L.) TERHADAP SERANGAN HAMA BOLENG (CYLAS FORMICARIUS F.) [PDF]

open access: yes, 2018
Abstrak. Boleng (Cylas formicarius F.) merupakan hama utama yang menyerang pertanaman ubi jalar dan menyebabkan kehilangan hasil antara 10-80% tergantung lokasi.
DINDA KARTIKA M
core  

Are sweetpotato weevils (Coleoptera: Brentidae) differentially attracted to certain colors? [PDF]

open access: yes, 2014
The sweetpotato weevil Cylas formicarius (F.) (Coleoptera: Brentidae) is one of the most serious insects causing damage to sweetpotatoes in the world. Small populations of these insects can cause severe damage to tubers of the crop.
Gadi, Nirupa, Reddy, G. V.P.
core   +2 more sources

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