Results 111 to 120 of about 10,599 (220)

Inventory of observed unexpected environmental effects of genetically modified crops [PDF]

open access: yes
In general, it can be concluded that very few clearly unexpected effects were observed during the large scale post-release growing of herbicide-tolerant crops and Bt crops.
Brink, L., van den   +6 more
core   +1 more source

Development and Life History of Sitophilus zeamais (Coleoptera: Curculionidae) on Cereal Crops

open access: yesAdvances in Agriculture, 2016
The maize weevil, Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae), is one of the most destructive pests of stored cereals. Knowledge of the life history and biology is important to the development of an integrated pest management program ...
James Adebayo Ojo, Adebayo Amos Omoloye
doaj   +1 more source

Evaluation of transgenic cotton: Preliminary results of the Coodetec-Cirad program in Brazil [PDF]

open access: yes, 2000
The objectives and first results of the cooperation program running between COODETEC and CIRAD are presented in this short note. Two species of the genus Spodoptera are being kept in the laboratory for evaluation of transformed lines of Coker 310 with ...
Gondim, D.M.C.   +3 more
core  

Field Screening of Lentil Genotypes Against Aphid Infestation in Inner Tarai of Nepal [PDF]

open access: yes, 2020
Twenty lentil (Lens culinaris Medik) genotypes received from Grain Legumes Research Program, Khajura, Banke were screened for relative tolerance against aphid (Aphis craccivora Koch.) at the research field of National Maize Research Program, Rampur ...
Darai, R. (Rajendra)   +2 more
core  

Ohio Economic Insects and Related Anthropods [PDF]

open access: yes, 1989
PDF pages ...
Albrecht, Carl W.   +16 more
core  

IDENTIFICATION OF MAIZE KERNELS RESISTANT TO THE MAIZE WEEVILS (Sitophilus zeamais)

open access: yes, 2007
The objective of this work was to test the ability of maize kernels in distincting, among 21 different genotypes, individually marked and mixed, which material is resistance to the insect. The mixture was infested with S. zeamais for 15 days. The data suggest that the improvement of high quality of maize populations was effective in order to obtain ...
Silva, Daniela Rézio e   +2 more
openaire   +1 more source

Current Maize Production, Postharvest Losses and the Risk of Mycotoxins Contamination in Tanzania [PDF]

open access: yes, 2015
Agriculture is the backbone of Tanzanian economy. It accounts for about one-third of the gross domestic product (GDP), provides 85 percent of all exports and saves as a livelihood to over 80 percent of the total population.
Rosentrater, Kurt A.   +1 more
core   +1 more source

The relationship between quality and economic value of fresh sweet potato and dried cassava products in Mwanza, Tanzania [PDF]

open access: yes, 1997
This report outlines the relationship between quality and economic value for fresh sweet potato and dried cassava in the urban markets of Mwanza in north west Tanzania. These two crops form an increasingly important part of food security and, through the
Jeremiah, S.   +4 more
core  

Argentine stem weevil control in maize

open access: yesProceedings of the New Zealand Weed and Pest Control Conference, 1978
R.N. Watson, N.R. Wrenn
openaire   +2 more sources

Institutional Change and Discontinuities in Farmers' Use of Hybrid Maize Seed and Fertilizer in Malawi: Findings from the 1996-97 CIMMYT/ MoALD Survey [PDF]

open access: yes
This study records the use of hybrid maize seed and fertilizer by small-scale farmers in Malawi, as well as their opinions about these inputs, from 1989-90 through 1996-97. Its main purpose is to determine whether the principal constraint to smallholders
Phiri, Alexander, Smale, Melinda
core   +1 more source

Home - About - Disclaimer - Privacy