Results 91 to 100 of about 10,599 (220)

Biological control of invasive plant species: stochastic economic analysis [PDF]

open access: yes
We analysed to what extent the stochastic effects of two biological control agents (i.e. weevils and mycoherbicides) affect the optimal choice of Californian thistle control.
Chalak-Haghighi, Morteza   +2 more
core   +1 more source

Uji Beberapa Konsentrasi Tepung Daun Gamal (Gliricidia Sepium Jacq.) Terhadap Hama Sitophilus Zeamais M. Pada Biji Jagung Di Penyimpanan [PDF]

open access: yes, 2017
Corn grain in storage can be damaged by maize weevil Sitophilus zeamais M. pest. If corn grain stored juring 6 monts cause damage to reach 85%. The research aims to find a concentration of gamal leaf powder that cause mortality of maize weevil S ...
ningsih, Y. (Yulia)   +2 more
core  

Potential of Solid Gel Formulation of Kaffir Lime Peel Extract Against Postharvest Pest Sitophilus Zeamais on Stored Rice [PDF]

open access: yesBIO Web of Conferences
Maize weevil, Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae) is a primary pest on maize, rice, wheat, sorghum, and other cereal grains. The purpose of this study was to determine the effectiveness of using kaffir lime peel extract in solid ...
Altazani Multi   +6 more
doaj   +1 more source

Rice Weevils and Maize Weevils (Coleoptera: Curculionidae) Respond Differently to Disturbance of Stored Grain

open access: yesAnnals of the Entomological Society of America, 2010
Abstract Rice weevils, Sitophilus oryzae (L.), and maize weevils, Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae), are important pests of stored grain. We have observed that rice weevil adults have a greater propensity than maize weevils to climb upward after physical disturbance of stored grain.
Gordon R Plague   +3 more
openaire   +1 more source

Relative resistance of maize varieties against maize weevil, Sitophilus zeamais (Motschulsky), (Coleoptera: Curcolionidae)

open access: yesPakistan Journal of Agricultural Sciences, 2021
The maize weevil, Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae), is one of the most damaging pests of stored cereals causing severe damage to stored grains. In current investigation, six open pollinated maize varieties viz. JALAL (white), AZAM (white), SADAF (yellow), ZARD LOCAL (yellow), KASHMIRI (yellow) and PAHARI (white) were ...
openaire   +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  

Efficacy of Diatomaceous Earth to Control Internal Infestations of Rice Weevil and Maize Weevil (Coleoptera: Curculionidae)

open access: yesJournal of Economic Entomology, 2003
Densities of 10, 20, and 30 hard red winter wheat kernels, Triticum aestivum L., were infested with different life stages of the rice weevil, Sitophilus oryzae (L.), mixed with 35 g of wheat treated with 300 ppm of the Protect-It (Mississauga, Ontario, Canada) formulation of diatomaceous earth (DE), and held at 22, 27, and 32 degrees C.
Arthur, Frank H., Throne, James E.
openaire   +3 more sources

Is Flint Corn Naturally Resistant to Maize Weevil Infestation? [PDF]

open access: yes, 2014
Sitophilus zeamais (maize weevil) is one of the most destructive pests of maize stored in tropical and subtropical regions. This study determined the resistance of flint corn and dent corn to infestation by S.
Bern, Carl   +7 more
core   +2 more sources

Economic Analysis of Alternative Maize Storage Technologies in Kenya [PDF]

open access: yes
Upcoming technologies for maize storage have sometimes been promoted without being subjected to trials and economic analysis. In the recent past, new storage technologies, actellic super, super grain bag and the metal silo have been developed.
De Groote, Hugo, Kimenju, Simon Chege
core   +1 more source

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