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Cytoplasmic male-sterility affects expression of resistance to Shoot Bug (Peregrinus maidis), Sugarcane Aphid (Melanaphis sacchari) and Spotted Stem Borer (Chilo partellus) in Sorghum

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Title Cytoplasmic male-sterility affects expression of resistance to Shoot Bug (Peregrinus maidis), Sugarcane Aphid (Melanaphis sacchari) and Spotted Stem Borer (Chilo partellus) in Sorghum
 
Creator Dhillon, M K
Sharma, H C
Pampapathy, G
Reddy, B V S
 
Subject Sorghum
 
Description Discovery of cytoplasmic male-sterility (CMS) has led to
large-scale exploitation of heterotic potential for increasing crop production (Kaul 1988). Most of the sorghum
[Sorghum bicolor (L.) Moench] hybrids developed have
been based on milo (A1) cytoplasm with only a few
hybrids based on A2 cytoplasm in China (Shan et al. 2000).
The A1 cytoplasm-based hybrids have been reported to be
highly susceptible to insect pests (Sharma 2001; Sharma
et al. 2004; Dhillon et al. 2006). Therefore, it is important to diversify the CMS systems to safeguard against outbreaks of insect pests and diseases. In addition to diversifying CMS sources, it is also important to understand the interactions between the target insect pests and hybrid parents to develop appropriate strategies for development and deployment of insect-resistant hybrids. Therefore, we examined the influence of CMS on the expression of resistance to shoot bug [Peregrinus maidis (Ashmead)], sugarcane aphid [Melanaphis sacchari (Zehntner)] and spotted stem borer [Chilo partellus (Swinhoe)] for deploying insect-resistance genes through high-yielding hybrids of sorghum for integrated pest management.
 
Date 2006
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/1100/1/ISMN-47_66-68_2006.pdf
Dhillon, M K and Sharma, H C and Pampapathy, G and Reddy, B V S (2006) Cytoplasmic male-sterility affects expression of resistance to Shoot Bug (Peregrinus maidis), Sugarcane Aphid (Melanaphis sacchari) and Spotted Stem Borer (Chilo partellus) in Sorghum. International Sorghum and Millets Newsletter, 47. pp. 66-68.