Mechanism of resistance to the spotted stalk borer, Chilo sacchariphagus, in the sugar cane cultivar R570
Resistance in sugarcane [Saccharum spec. (Poaceae)] to the spotted stalk borer, Chilo sacchariphagus (Bojer) (Lepidoptera: Pyralidae), was studied by comparing feeding behaviour on resistant cv. R570 and susceptible cv. R579. In a field survey, the feeding behaviour of C. sacchariphagus larvae was described to identify their feeding sites on the plant. In a greenhouse artificial infestation study, we compared the establishment of larvae on potted plants. In laboratory choice and no-choice experiments, we studied the establishment of larvae on plant organs (stalk, sheath, leaf spindle). Study of the feeding behaviour showed that: (1) first to fourth instars are able to feed on stalk, sheath, and leaf spindle, (2) boring into the stalk occurs mostly in the four uppermost internodes, and (3) most young larvae bore through the abaxial surface of leaf sheaths to reach the stalk. In greenhouse experiments, we observed an early two-fold reduction of the number of larvae on R570 plants within the first 48 h after infestation. In laboratory experiments, larval antixenosis was demonstrated at the abaxial surface of R570 leaf sheath, but was observed neither in the leaf spindle nor in the stalk. First, second, and third instars were susceptible to this antixenosis. We hypothesize that the main resistance mechanism in R570 is an early reduction of larval establishment on plants, due to antixenosis located at the abaxial surface of leaf sheaths.
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Subjects: | H10 - Ravageurs des plantes, Chilo sacchariphagus, Saccharum officinarum, http://aims.fao.org/aos/agrovoc/c_27153, http://aims.fao.org/aos/agrovoc/c_6727, http://aims.fao.org/aos/agrovoc/c_6543, http://aims.fao.org/aos/agrovoc/c_3081, |
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dig-cirad-fr-5545492024-01-28T18:19:29Z http://agritrop.cirad.fr/554549/ http://agritrop.cirad.fr/554549/ Mechanism of resistance to the spotted stalk borer, Chilo sacchariphagus, in the sugar cane cultivar R570. Nibouche Samuel, Tibere Richard. 2010. Entomologia Experimentalis et Applicata, 135 (3) : 308-314.https://doi.org/10.1111/j.1570-7458.2010.00996.x <https://doi.org/10.1111/j.1570-7458.2010.00996.x> Mechanism of resistance to the spotted stalk borer, Chilo sacchariphagus, in the sugar cane cultivar R570 Nibouche, Samuel Tibere, Richard eng 2010 Entomologia Experimentalis et Applicata H10 - Ravageurs des plantes Chilo sacchariphagus Saccharum officinarum http://aims.fao.org/aos/agrovoc/c_27153 http://aims.fao.org/aos/agrovoc/c_6727 La Réunion France http://aims.fao.org/aos/agrovoc/c_6543 http://aims.fao.org/aos/agrovoc/c_3081 Resistance in sugarcane [Saccharum spec. (Poaceae)] to the spotted stalk borer, Chilo sacchariphagus (Bojer) (Lepidoptera: Pyralidae), was studied by comparing feeding behaviour on resistant cv. R570 and susceptible cv. R579. In a field survey, the feeding behaviour of C. sacchariphagus larvae was described to identify their feeding sites on the plant. In a greenhouse artificial infestation study, we compared the establishment of larvae on potted plants. In laboratory choice and no-choice experiments, we studied the establishment of larvae on plant organs (stalk, sheath, leaf spindle). Study of the feeding behaviour showed that: (1) first to fourth instars are able to feed on stalk, sheath, and leaf spindle, (2) boring into the stalk occurs mostly in the four uppermost internodes, and (3) most young larvae bore through the abaxial surface of leaf sheaths to reach the stalk. In greenhouse experiments, we observed an early two-fold reduction of the number of larvae on R570 plants within the first 48 h after infestation. In laboratory experiments, larval antixenosis was demonstrated at the abaxial surface of R570 leaf sheath, but was observed neither in the leaf spindle nor in the stalk. First, second, and third instars were susceptible to this antixenosis. We hypothesize that the main resistance mechanism in R570 is an early reduction of larval establishment on plants, due to antixenosis located at the abaxial surface of leaf sheaths. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/554549/1/document_554549.pdf application/pdf Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1111/j.1570-7458.2010.00996.x 10.1111/j.1570-7458.2010.00996.x http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=207694 info:eu-repo/semantics/altIdentifier/doi/10.1111/j.1570-7458.2010.00996.x info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1111/j.1570-7458.2010.00996.x |
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H10 - Ravageurs des plantes Chilo sacchariphagus Saccharum officinarum http://aims.fao.org/aos/agrovoc/c_27153 http://aims.fao.org/aos/agrovoc/c_6727 http://aims.fao.org/aos/agrovoc/c_6543 http://aims.fao.org/aos/agrovoc/c_3081 H10 - Ravageurs des plantes Chilo sacchariphagus Saccharum officinarum http://aims.fao.org/aos/agrovoc/c_27153 http://aims.fao.org/aos/agrovoc/c_6727 http://aims.fao.org/aos/agrovoc/c_6543 http://aims.fao.org/aos/agrovoc/c_3081 |
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H10 - Ravageurs des plantes Chilo sacchariphagus Saccharum officinarum http://aims.fao.org/aos/agrovoc/c_27153 http://aims.fao.org/aos/agrovoc/c_6727 http://aims.fao.org/aos/agrovoc/c_6543 http://aims.fao.org/aos/agrovoc/c_3081 H10 - Ravageurs des plantes Chilo sacchariphagus Saccharum officinarum http://aims.fao.org/aos/agrovoc/c_27153 http://aims.fao.org/aos/agrovoc/c_6727 http://aims.fao.org/aos/agrovoc/c_6543 http://aims.fao.org/aos/agrovoc/c_3081 Nibouche, Samuel Tibere, Richard Mechanism of resistance to the spotted stalk borer, Chilo sacchariphagus, in the sugar cane cultivar R570 |
description |
Resistance in sugarcane [Saccharum spec. (Poaceae)] to the spotted stalk borer, Chilo sacchariphagus (Bojer) (Lepidoptera: Pyralidae), was studied by comparing feeding behaviour on resistant cv. R570 and susceptible cv. R579. In a field survey, the feeding behaviour of C. sacchariphagus larvae was described to identify their feeding sites on the plant. In a greenhouse artificial infestation study, we compared the establishment of larvae on potted plants. In laboratory choice and no-choice experiments, we studied the establishment of larvae on plant organs (stalk, sheath, leaf spindle). Study of the feeding behaviour showed that: (1) first to fourth instars are able to feed on stalk, sheath, and leaf spindle, (2) boring into the stalk occurs mostly in the four uppermost internodes, and (3) most young larvae bore through the abaxial surface of leaf sheaths to reach the stalk. In greenhouse experiments, we observed an early two-fold reduction of the number of larvae on R570 plants within the first 48 h after infestation. In laboratory experiments, larval antixenosis was demonstrated at the abaxial surface of R570 leaf sheath, but was observed neither in the leaf spindle nor in the stalk. First, second, and third instars were susceptible to this antixenosis. We hypothesize that the main resistance mechanism in R570 is an early reduction of larval establishment on plants, due to antixenosis located at the abaxial surface of leaf sheaths. |
format |
article |
topic_facet |
H10 - Ravageurs des plantes Chilo sacchariphagus Saccharum officinarum http://aims.fao.org/aos/agrovoc/c_27153 http://aims.fao.org/aos/agrovoc/c_6727 http://aims.fao.org/aos/agrovoc/c_6543 http://aims.fao.org/aos/agrovoc/c_3081 |
author |
Nibouche, Samuel Tibere, Richard |
author_facet |
Nibouche, Samuel Tibere, Richard |
author_sort |
Nibouche, Samuel |
title |
Mechanism of resistance to the spotted stalk borer, Chilo sacchariphagus, in the sugar cane cultivar R570 |
title_short |
Mechanism of resistance to the spotted stalk borer, Chilo sacchariphagus, in the sugar cane cultivar R570 |
title_full |
Mechanism of resistance to the spotted stalk borer, Chilo sacchariphagus, in the sugar cane cultivar R570 |
title_fullStr |
Mechanism of resistance to the spotted stalk borer, Chilo sacchariphagus, in the sugar cane cultivar R570 |
title_full_unstemmed |
Mechanism of resistance to the spotted stalk borer, Chilo sacchariphagus, in the sugar cane cultivar R570 |
title_sort |
mechanism of resistance to the spotted stalk borer, chilo sacchariphagus, in the sugar cane cultivar r570 |
url |
http://agritrop.cirad.fr/554549/ http://agritrop.cirad.fr/554549/1/document_554549.pdf |
work_keys_str_mv |
AT nibouchesamuel mechanismofresistancetothespottedstalkborerchilosacchariphagusinthesugarcanecultivarr570 AT tibererichard mechanismofresistancetothespottedstalkborerchilosacchariphagusinthesugarcanecultivarr570 |
_version_ |
1792497560414322688 |