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A screen of worldwide wheat cultivars for hydroxamic acid levels and aphid antixenosis
(1992)
In a screen of seedlings of a worldwide range of 47 cultivars of Triticum (mainly T. aestivum) the concentration of the hydroxamic acid DIMBOA ranged between 1 and 8 mmol/kg fresh wt. In a bioassay in which alatae of the ...
Characterization of antixenosis to Dichelops melacanthus (Hemiptera:Pentatomidae) in soybean genotypes
(Taylor & Francis Ltd, 2017-01-01)
Soybeans are of great importance in the world agricultural landscape, and their productive potential is significantly reduced by attacks from insect pests. Factors such as the expansion of national agricultural regions, ...
Variable levels of antibiosis and/or antixenosis of Bt and non-Bt maize genotypes on Dalbulus maidis (Hemiptera: Cicadellidae)
(Springer, 2021-04-28)
The corn leafhopper Dalbulus maidis (DeLong & Wolcott) (Hemiptera: Cicadellidae) poses a serious threat to the crop, causing direct and indirect damage to plants. The present study aimed to investigate the possible expression ...
Evaluating categories of resistance in soybean genotypes from the United States and Brazil to Aphis glycines (Hemiptera: Aphididae)
(Florida Entomological Soc, 2016-09-01)
Aphis glycines Matsumura (Hemiptera: Aphididae), the soybean aphid, has become an important pest of soybeans, leading to significant yield losses in the United States. Host plant resistance is a viable alternative for ...
Characterization and potential mechanisms of resistance of cucumber genotypes toBemisia tabaci(Hemiptera: Aleyrodidae)
(Springer, 2020-06-22)
Bemisia tabaci(Genn.) (Hemiptera: Aleyrodidae) is a major pest of several agricultural crops, being vector of an extreme number of viruses. The broad variety of host plants, high adaptability and evolution of resistance ...