Daños causados por chinche barriga verde Dichelops melacanthusen maíz transgénico Bacillus thuringiensis(Bt)
Transgenic maize expressing Bacillus thuringiensis(Bt) toxin produces a crystal (Cry) protein toxic to caterpillars that is non-toxic to stink bugs. The objectives of this study were to identify the number of plants attacked and not by Dichelops melacanthus, to evaluate foliar damage through the num...
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| Autores principales: | , , , , , |
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| Format: | Artículo |
| Sprog: | spansk |
| Udgivet: |
2021
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| Fag: | |
| Online adgang: | https://dialnet.unirioja.es/servlet/oaiart?codigo=8054902 |
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| Summary: | Transgenic maize expressing Bacillus thuringiensis(Bt) toxin produces a crystal (Cry) protein toxic to caterpillars that is non-toxic to stink bugs. The objectives of this study were to identify the number of plants attacked and not by Dichelops melacanthus, to evaluate foliar damage through the number of punctures, to evaluate plant height and weight of grain production by corn plants attacked and not. The research was carried out on a commercial production agricultural farm in an area 700 m2. Data wererecorded, tabulated in Excel spreadsheet and statistically analyzed by T Student test with 5 % of significance for comparison of two independent groups. The results indicate that 80.7 % of corn plants were attacked by D. melacanthuspresenting punctures in their leaves. The average height of attacked plants was 41.2 ± 2.2 cm and 41.5 ± 3.3 cm for not attacking. A significant reduction in the production of 23 % was verified. The weight of grains of the attacked plant was on average 3.048 ± 319 g and 3.956 ± 269 g in a not-attacked plant, demonstrating that the damage caused by D. melhacantusreduces Bt corn productivity. |
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