Results 31 to 40 of about 3,469 (211)

The asymmetric synthesis of (+)-sitophilure, the natural form of the aggregation pheromone of Sitophilus oryzae L. and Sitophilus zeamais M. [PDF]

open access: yes, 2015
The asymmetric synthesis of (+)-sitophilure, the aggregation pheromone of Sitophilus oryzae L. and Sitophilus zeamais M., was carried out in 12 steps, 18% overall yield and 82% enantiomeric excess from the enzymatic reduction of methyl 3-oxopentanoate ...
Riatto V.B.   +5 more
core   +1 more source

A Review Pesticidal Activity of Essential Oils against Sitophilus oryzae, Sitophilus granaries and Sitophilus Zeamais [PDF]

open access: yes, 2022
Infestation of cereals in storage by Sitophilus oryzae, Sitophilus granaries and Sitophilus Zeamais lead to great food loses in Sub-Saharan Africa. Some of the synthetic pesticides which are available are non-biodegradable and have adverse effect on the ...
Njoroge, Peter W.   +2 more
core  

FUMIGANT AND CONTACT TOXICITY OF GARLIC OIL ON Ca/losobruchus c/Jinensis (L.), CaJJosobruchus macuJatus (F.), Tribolium castaneum (HBST.) AND SitophiJus oryzae (L.) [PDF]

open access: yesJournal of Plant Protection and Pathology, 2005
Toxicity of garlic oil was tested against adults of Callosobruchus chinensis (L.), C. maculatus (F.), Tribolium castaneum(Hbst.) and Sitophilus oryzae(L.) using air tight jars for the fumigant toxicity and topical application for the contact toxicity ...
M. Swidan,
doaj   +1 more source

Insecticidal Effect of an Enhanced Attapulgite for the Control of Four Stored-Product Beetle Species

open access: yesAgronomy, 2022
We examined the insecticidal effect of three different dust formulations, which were attapulgite (W), attapulgite mix with oregano essential oil with 52% carvacrol (D1), and attapulgite mix with oregano essential oil with 75% carvacrol (D2), in four ...
Evagelia Lampiri   +3 more
doaj   +1 more source

Competition between Two Species of the Genus Sitophilus (Coleoptera: Curculionidae) on Wheat and Barley

open access: yesApplied Sciences, 2023
Species can coexist and infest stored products at different population densities. We evaluated the population growth of Sitophilus oryzae (L.) and Sitophilus granarius (L.) (Coleoptera: Curculionidae) on wheat and barley in laboratory conditions.
Maria K. Sakka   +2 more
doaj   +1 more source

UJI TOKSISITAS LARVASIDA EKSTRAK DAUN DAN BATANG Nerium oleander TERHADAP KUTU BERAS Sitophilus oryzae [PDF]

open access: yes, 1998
Sitophilus oryzae merupakan salah satu serangga penyebab kerusakan beras dalam penyimpanan, sehingga menyebabkan berkurangnya kualitas dan kuantitas bahan pangan.
NOER MOEHAMMADI, Drs., M.Kes.
core   +3 more sources

Sitophilus oryzae L. (Coleoptera : Curculionidae) [PDF]

open access: yesJournal of Garmian University, 2018
تم اختبار فعالیة أربعة أنواع من التوابل هی الزنجبیل Zingiber officinale ، القرفة Cinnamomum zeylancium ، الکمون Cuminum cyminum والفلفل الأسود Piper nigrum من حیث قدرتها على طرد وقتل بالغات حشرة سوسة الرز Sitophilus oryzae ضمن ظروف المختبر.شملت الدراسة حساب النسب المئویة لطرد الحشرة باستخدام التراکیز (0 ، 1 ، 2 ، 4 ، 6)% بعد (48) ساعة من المعاملة ، وتم
openaire   +1 more source

Effet comparé des huiles essentielles de quatre espèces végétales contre la bruche du niébé (Callosobruchus maculatus Fab.) et le charançon du riz (Sitophilus oryzae L) [PDF]

open access: yesTropicultura, 1995
Compared Effect of Four Plant Essential Oils against Cowpea Weevil Callosobruchus maculatus Fab. and Rice Weevil Sitophilus oryzae L. The aim of this paper is to compare the essential oil effects of Eucalyptus tereticornis Sm., Eucalyptus citriodora Hook,
Gakuru, S., Foua-Bi, K.
doaj  

KARAKTERISTIK DIMENSI BERAS LOKAL PROPINSI SUMATERA UTARA DAN KAJIAN KERENTANANNYA TERHADAP Sitophilus oryzae (Coleoptera: Curculionidae)

open access: yesZiraa'ah: Majalah Ilmiah Pertanian, 2022
The rice weevil, Sitophilus oryzae L. (Coleoptera: Curculionidae) is a major pest and causes damage to rice in storage. This study aimed to study the dimensional characters and determine the susceptibility of rice from germplasm paddy local in Dairi ...
Hamzah Fansury Nasution   +4 more
doaj   +1 more source

Effects of 50°C temperature on Sitophilus granarius (L.), Sitophilus oryzae (L.) and Sitophilus zeamais (Motsch.)

open access: yesPesticidi i fitomedicina, 2011
Adults of laboratory populations of granary weevil (S. granarius), rice weevil (S. oryzae) and maize weevil (S. zeamais) were exposed at the temperature of 50?C to determine lethal time (parameters LT20, LT50 and LT99) and progeny production/reduction in F1 generation at mentioned temperature.
Pražić Golić, Marijana   +2 more
openaire   +3 more sources

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