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Book
Mass rearing of stem borers, maize weevil, and larger grain borer insect pests of maize
(CIMMYT, 2010)
Variety screening studies require a consistent supply of large quantities of these pests at specified time periods. Stem borers are reared on an artificial diet in order to have dependable large and continuous supplies of ...
Book
Methods of screening maize for resistance to stem borers and post-harvest insect pests
(CIMMYT, 2011)
This manual is based on the work undertaken through the “Developing Maize Resistant to Stem Borer and Storage Insect Pests for Eastern and Southern Africa – IRMA III Conventional Project (2009−2013)”, funded by the Syngenta ...
Article
Genotype by environment interactions and agronomic performance of doubled haploids testcross maize (Zea mays L.) hybrids
(Springer, 2016)
In vivo production of maternal haploid plants and advancement in chromosome doubling technology has led to rapid production of doubled haploid homozygous lines. These in turn have boosted rapid advancement in most breeding ...
Article
Response to S1 recurrent selection for resistance to two stem borers, Busseola fusca and Chilo partellus, in two tropical maize populations
(Springer, 2015)
Stem borers, Busseola fusca and Chilo partellus, are among the key devastating lepidopteran insect pests ofmaize causing grain yield losses.Recurrent selection studies for stem borer resistance in maize are limited. ...
Article
Testcross performance of doubled haploid maize lines derived from tropical adapted backcross populations
(Consiglio per la Ricerca e la sperimentazione in Agricoltura, Unità di Ricerca per la Maiscoltura, 2011)
Doubled haploid (DH) lines produced by in vivo induction of maternal haploids are routinely used in maize breeding. The present study was carried out to assess the performance of 75 doubled haploid maize testcrosses and ...
Article
Quantification of Bt δ-endotoxins in leaf tissues of tropical Bt maize populations
(Academic Journals, 2012)
In Kenya, stem borers destroy an estimated 13.5% of farmers' annual maize harvest. Maize transformed using Bacillus thuringiensis (Bt) derived genes controls stem borers without negative effects to humans, livestock or the ...
Article
Options for pro-poor maize seed market segmentation in Kenya
(Academic Journals, 2011)
New agricultural technologies have to be affordable to make a difference in poor farmers? livelihoods. Their cost to the poor can be reduced through subsidies by the public sector or humanitarian use exemption from ...
Article
Experiences with the biosafety regulatory system in Kenya during the introduction, testing and development of Bt maize
(Academic Journals, 2011)
The introduction of genetically modified (GM) crops in Kenya is governed by a biotechnology policy, a biosafety law, and a biotechnology awareness strategy to enable research and development of GM crops. In addition, Kenya ...
Article
Evaluation of stem borer resistance management strategies for Bt maize in Kenya based on alternative host refugia
(Academic Journals, 2011)
Stem borers are the major insect pests of maize in Kenya. The use of Bacillus thuringiensis (Bt) technology is an effective way of controlling lepidopteran pests. However, the likelihood of development of resistance to ...
Article
Combining ability of maize (Zea mays L.) inbred lines resistant to stem borers
(Academic Journals, 2011)
Ten inbred parents with varying resistance levels to Chilo partellus and Busseola fusca were crossed in a half diallel mating scheme to generate 45 F1 hybrids. The hybrids and five commercial checks were evaluated across ...