Results 31 to 40 of about 8,012 (219)

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

Preparasi Dan Karakterisasi Kitin Yang Terkandung Dalam Eksoskeleton Kumbang Tanduk Rhinoceros Beetle (Xylotrupes Gideon L) Dan Kutu Beras (Sitophilus Oryzae L) [PDF]

open access: yes, 2012
Penelitian ini bertujuan mengkarakterisasi kitin hasil preparasi dari eksoskeleton kumbang tanduk Rhinoceros Beetle (Xylotrupes gideon L) dan kutu beras (Sitophilus oryzae).
Astuti, L. (Luki)   +1 more
core   +3 more sources

Chemical composition of essential oil in Piper nigrum from Nigeria and its bioactivity against stored-grain insects

open access: yesTạp chí Khoa học Đại học Huế: Khoa học Tự nhiên, 2023
Experiments were carried out on the essential oil (EO) and its bio-efficacy against rice weevil (Sitophilus oryzae) and cowpea seed beetle (Callosbruchus maculatus). The EO from Piper nigrum was extracted by using steam distillation.
Kehinde Adenike Oyewole   +2 more
doaj   +1 more source

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

Resistance of Rice Varieties toSitophilus oryzae(Coleoptera: Curculionidae) [PDF]

open access: yesFlorida Entomologist, 2016
O arroz (Oryza sativa L.; Poaceae) e uma das culturas alimentares mais importantes do mundo. Entre os insetos que danificam os graos de arroz, o gorgulho do arroz Sitophylus oryzae L. (Coleoptera: Curculionidae) e a especia mais importante. O objetivo deste trabalho foi identificar variedades de arroz com resistencia a S. oryzae. As variedades de arroz
Costa, Diana Cristina da Silva   +6 more
openaire   +2 more sources

Enhancing Stored Wheat Shelf Life: Advances in Storage Technologies, Integrated Pest Management, and Climate‐Responsive Approaches

open access: yesFood and Energy Security, Volume 15, Issue 3, May/June 2026.
ABSTRACT Recent advances in agricultural production and storage systems have contributed to a significant enhancement in annual wheat production and preservation, aimed at satisfying increasing consumer demands. Despite such potential developments, there are still significant post‐harvest losses in stored wheat, induced by destructive pests, grain ...
Hafiz Muhammad Bilal Yousuf   +3 more
wiley   +1 more source

Resistance of Rice Varieties to \u3ci\u3eSitophilus oryzae\u3c/i\u3e (Coleoptera: Curculionidae) [PDF]

open access: yes, 2016
Rice, Oryza sativa L. (Poaceae), is one of the world’s most important food crops. Among the insects that damage rice grains, the rice weevil, Sitophilus oryzae (L.) (Coleoptera: Curculionidae), is the most important species.
da Silva Araújo, Marcio   +6 more
core   +1 more source

Effecs of damage by wheat bug, Aelia germari [Hemiptera : Pentatomidae], on grain quality and on reproductive performance of the rice weevil, Sitophilus oryzae [Coleoptera : curculionidae] [PDF]

open access: yes, 1997
La punaise des céréales, Aelia germari, cause des dégâts au champ, avant la maturité du grain, qui ont pour conséquence majeure une réduction de la valeur boulangère du blé destiné à la panification.
Fleurat-Lessard, F., Fourar, R.
core   +1 more source

Extracto acuoso de hojas de Gliricidia sepium: un insecticida biológico efectivo contra Sitophilus oryzae

open access: yesRevista de la Facultad de Agronomía
Sitophilus oryzae es uno de los principales insectos plagas presente en cereales, en el departamento del Meta - Colombia, Sitophilus oryzae se encuentra ampliamente distribuido en los silos de arroz, en los cual ataca al grano y ocasiona daños en su ...
Maria Cristina Ospina Ladino   +4 more
doaj   +1 more source

A study of population growth of Sitophilus oryzae L. and Sitophilus granarius L. in single and mixed culture in wheat and rice : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Plant Science at Massey University [PDF]

open access: yes, 1983
Biological interactions between organisms which contend for the same resource, have been of interest to ecologists since the days of Darwin. Although this sort of association is evident for many animal-versus-animal and plant-versus-plant situations, one
Stephensons, Maria Christina
core  

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