Characterization of Mischief of Gryllus sp. in Plants of Eucalyptus, in Laboratory
Damages caused by Gryllus sp. in young seedlings of Eucalyptus grandis were analysed. Threeexperimental groups were tested: Group 1 with 7 days-old and stem diameter of 2.5 mm seedlings; Group 2with 49 days-old and 3.33 mm diameter seedlings; and Group 3 with 80 day-old and diameter of 5.75 mm. Eachgroup consisted of 12 plants isolated in a cage with a couple of crickets for 15 days. The following daily evaluationswere made: absence of damage; superficial signs of chewing; deep signs of chewing and stem cuts. Diameter andage influenced the occurrence and intensity of damage.
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Format: | Digital revista |
Language: | por |
Published: |
Embrapa Florestas
2010
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Online Access: | https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/17 |
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