Breeding for Resistance to Insect Pests

Morais, Alexandre Augusto de; Pinheiro, José Baldin

doi:10.1007/978-3-642-33087-2_6

Cited by 8 publications

(11 citation statements)

References 43 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The separation of lines, testers and environment and their interactions into variances provided a better understanding of the different patterns among C. partellus and their response across locations. These findings corroborate with earlier studies on significance of genotype x environment interactions effects in maize (Fato et al, 2012;Morais and Pinheiro, 2012).…”

Section: Genetic Variationsupporting

confidence: 92%

“…General and specific combining abilities in addition to gene action for different stem borer resistance and agronomic traits have been estimated by many researchers (Morais and Pinheiro, 2012;Sanghera et al, 2012;Wegary and Vivek, 2013). In the current study, the significant difference of mean squares between lines, testers, lines x testers for stem borer resistance traits and grain yield showed their suitability for combining ability studies.…”

Section: General and Specific Combining Abilitymentioning

confidence: 99%

“…Further, significant mean squares of lines, testers, lines x testers' revealed good possibility for manifestation of heterosis for all the traits studied. It is desirable that stem borer resistance traits namely; leaf feeding damage, cumulative stem tunneling, number of exit holes, and number of dead hearts to obtain negative GCA and SCA effects Morais and Pinheiro, 2012). Similarly, positive GCA and SCA effects are necessary for grain yield, number of plants and ears per plant (Morais and Pinheiro, 2012).…”

Section: General and Specific Combining Abilitymentioning

confidence: 99%

“…Populations and inbred lines or single cross hybrids have been used as testers in the identification of hybrids for yield performance (Sanghera et al, 2012). This mating design continues to be applied in determination of the maize heterotic orientations using different testers (Morais and Pinheiro, 2012). Single cross testers were used in the current study because the end product would be a three way cross.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Combining ability for stem borer resistance and heterotic orientation of maize inbred lines using CIMMYT single cross testers under Chilo partellus infestation

Murenga¹,

Derera²,

Tongoona³

et al. 2015

J. Plant Breed. Crop Sci.

View full text Add to dashboard Cite

The spotted stem borer, Chilo partellus, Swinhoe (Lepidoptera, Crambidae) is one of the most destructive insect pests of maize in tropical environments. However, the combining ability and heterotic orientation of the germplasm for grain yield and borer resistance is limited. The objective of this study was to determine combining ability and heterotic orientation of new maize inbred lines under C. partellus infestation. Sixty six (66) inbred lines were crossed to two single cross testers in a line x tester mating scheme. The 132 testcross hybrids and four checks were evaluated at three locations in Kenya under C. partellus infestation. General and specific combining ability effects were significant for C. partellus stem borer resistance traits and grain yield, suggesting the importance of both additive and non-additive gene effects for these traits. Heterotic classification of lines was done based on both heterosis and specific combining ability data. Based on heterosis for grain yield data at Embu, 15 lines were allocated to group A, 18 to group B and 12 to group AB. At Kakamega, 26 lines were oriented towards group A, 19 to group B and 9 to group AB. At Kiboko, 15 lines were inclined towards group A, 18 to group B and 11 to group AB, whilst the remainder could not be classified. Based on the SCA estimates, at Embu, 10 lines revealed positive SCA effects with both testers and were considered to be AB-oriented while 8, and 1 lines were oriented towards A, and B, respectively. A similar trend was detected at Kakamega and Kiboko. The identified lines and heterotic groups would be used by hybrid maize programs where C. partellus stem borers occur exclusively or in league with other stem borers.

show abstract

Section: Genetic Variationsupporting

confidence: 92%

Section: General and Specific Combining Abilitymentioning

confidence: 99%

Section: General and Specific Combining Abilitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Combining ability for stem borer resistance and heterotic orientation of maize inbred lines using CIMMYT single cross testers under Chilo partellus infestation

Murenga¹,

Derera²,

Tongoona³

et al. 2015

J. Plant Breed. Crop Sci.

View full text Add to dashboard Cite

show abstract

“…The EMERG characteristic, of medium heritability, seems to be strongly influenced by the environment; factors such as humidity and temperature may have influenced this result, because stored grain pests derive the necessary moisture from foods to meet their vital processes; therefore, the level of relative humidity and grain moisture become critical factors for survival [11].…”

Section: Resultsmentioning

confidence: 99%

Resistance of Two Maize Landraces in Breeding Stage to the Attack of <i>Sitophilus zeamais</i>

Nascimento¹,

Pavan²,

Silva³

et al. 2014

AJPS

View full text Add to dashboard Cite

This study aimed to assess the resistance of grain from two varieties of maize landraces in initial breeding in Bom Jesus-PI, with respect to S. zeamais attack. Seeds of two maize landraces were used: purple straw maize from two different origins (São Paulo (SP) and Espírito Santo (ES)) and Peruvian purple maize. The experimental design was completely randomized with four replications. The data for each response variable were subjected to analysis of variance, applying the F-test (p ≤ 0.05), and when significant differences were found, there was a comparison of means by Tukey test (p ≤ 0.05). The statistical analyses were performed using the software SAS ® . In a free-choice test and bioassay for evaluating the nutritional index (no choice test), maize varieties differed significantly by Tukey test and the cultivar SP was considered resistant, while the cultivars purple and ES were considered susceptible.

show abstract

Combining ability for stem borer resistance and heterotic orientation of maize inbred lines using CIMMYT single cross testers under Busseola fusca infestation

et al. 2015

View full text Add to dashboard Cite

Breeding for Resistance to Insect Pests

Cited by 8 publications

References 43 publications

Combining ability for stem borer resistance and heterotic orientation of maize inbred lines using CIMMYT single cross testers under Chilo partellus infestation

Combining ability for stem borer resistance and heterotic orientation of maize inbred lines using CIMMYT single cross testers under Chilo partellus infestation

Resistance of Two Maize Landraces in Breeding Stage to the Attack of <i>Sitophilus zeamais</i>

Combining ability for stem borer resistance and heterotic orientation of maize inbred lines using CIMMYT single cross testers under Busseola fusca infestation

Contact Info

Product

Resources

About

Breeding for Resistance to Insect Pests

Cited by 8 publications

References 43 publications

Combining ability for stem borer resistance and heterotic orientation of maize inbred lines using CIMMYT single cross testers under Chilo partellus infestation

Combining ability for stem borer resistance and heterotic orientation of maize inbred lines using CIMMYT single cross testers under Chilo partellus infestation

Resistance of Two Maize Landraces in Breeding Stage to the Attack of &lt;i&gt;Sitophilus zeamais&lt;/i&gt;

Combining ability for stem borer resistance and heterotic orientation of maize inbred lines using CIMMYT single cross testers under Busseola fusca infestation

Contact Info

Product

Resources

About

Resistance of Two Maize Landraces in Breeding Stage to the Attack of <i>Sitophilus zeamais</i>