Sugarcane Resistance to Stalkborers (Lepidoptera: Pyralidae) in South Texas
نویسندگان
چکیده
منابع مشابه
Laboratory and field evaluation of Beauveria bassiana against sugarcane stalkborers (Lepidoptera: Pyralidae) in the lower Rio Grande Valley of Texas.
Of approximately 18,200 ha planted to sugarcane in south Texas, only approximately 80 ha (<0.5%) are treated with insecticides because this type of control is widely regarded as ineffective against stalkboring pyralids, the key pests of sugarcane. Therefore, nonchemical control measures, such as resistant varieties and biological controls, must be evaluated to mitigate the losses caused by stal...
متن کاملEvaluation of lectin-expressing transgenic sugarcane against stalkborers (Lepidoptera: Pyralidae): effects on life history parameters.
The impact of snowdrop lectin (Galanthus nivalis agglutinin, GNA) expressed in transgenic sugarcane on life history parameters of Mexican rice borer [Eoreuma loftini (Dyar)] and sugarcane borer [Diatraea saccharalis (F.)] (both Lepidoptera: Pyralidae) was evaluated. In the laboratory, lyophilized sugarcane leaf sheath tissue was incorporated in a meridic diet resulting in a GNA concentration of...
متن کاملResistance Mechanisms of South African Sugarcane to the Stalk Borer Eldana Saccharina (lepidoptera: Pyralidae): a Review
Despite plant resistance constituting one of the major defences of South African sugarcane against the stalk borer, Eldana saccharina Walker (Lepidoptera: Pyralidae) (Leslie and Keeping, 1996; Keeping, 1999; Keeping and Govender, 2002), little has been published regarding the mechanisms upon which this resistance is based. This paper reviews published and unpublished information on this subject...
متن کاملLife table studies of Elasmopalpus lignosellus (Lepidoptera: Pyralidae) on sugarcane.
The lesser cornstalk borer, Elasmopalpus lignosellus (Zeller) (Lepidoptera: Pyralidae) is an important pest of sugarcane (a complex hybrid of Saccharum spp.) in southern Florida. Reproductive and life table parameters for E. lignosellus were examined at nine constant temperatures from 13 to 36 °C with sugarcane as the larval food source. The pre- and postoviposition periods decreased with incre...
متن کاملBiological control of Diatraea spp. (Lepidoptera: Pyralidae) in sugarcane crops in Central Venezuela.
In 1990-1996, we evaluated the relative importance of the Amazonian fly (Metagonystilum minense) and the wasp (Cotesiaflavipes), in sugarcane crops, in Central Venezuela. We observed a significant decrease in relative abundance of Diatraea spp. when the Amazon fly abundance increased but not with the wasp abundance. Diatraea spp. abundance in presence of both parasitoids was similar to its abun...
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ژورنال
عنوان ژورنال: The Florida Entomologist
سال: 1991
ISSN: 0015-4040
DOI: 10.2307/3495310