Results 21 to 30 of about 20,521 (258)
Levels of genetic polymorphism: marker loci versus quantitative traits [PDF]
, 1998 Species are the units used to measure ecological diversity and alleles are the units of genetic diversity. Genetic variation within and among species has been documented most extensively using allozyme electrophoresis.
Butlin R. K. +9 more
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Insects, 2021 The brown planthopper, Nilaparvata lugens (Stål), is a key challenge to rice production in Asia. Outbreaks of planthoppers are associated with excessive fertilizer applications; consequently, we examined planthopper interactions with susceptible ...
Finbarr G. Horgan +4 more
doaj +1 more source
European Journal of Taxonomy, 2017 The Afrotropical planthopper genus Centromeriana Melichar, 1912 (Hemiptera, Fulgoromorpha, Dictyopharidae, Dictyopharinae, Orthopagini) is revised. Four species are included: C.
Zhi-Shun Song +2 more
doaj +1 more source
Jurnal Proteksi Tanaman, 2021 Brown planthopper (BPH) is a major pest on rice plants that can cause hopperburn and crop failure. The study aimed to determine the level of BPH attack on several local rice varieties in the Pasaman Regency.
Eva Zulaikha +2 more
doaj +1 more source
Description of the immature stages of the planthopper Lacertinella australis (Hemiptera: Delphacidae) [PDF]
, 2014 The five immature stages of the planthopper Lacertinella australis(Remes Lenicov and Rossi Batiz) (Hemiptera: Delphacidae: Saccharosydnini) are described and illustrated. The main characters that al-lowed us to distinguish the various
Marino, Ana Maria +1 more
core +2 more sources
Insects, 2021 The genus Arsenophonus represents one of the most widespread clades of insect endosymbionts, including reproductive manipulators and bacteriocyte-associated primary endosymbionts.
Jessica Dittmer +3 more
doaj +1 more source
European Journal of Taxonomy, 2017 Two new species of the genus Gergithoides Schumacher, 1915 (Issinae, Hemisphaeriini), G. gnezdilovi sp. nov. from Bidoup-Nui Ba National Park in Central Vietnam and G. nui sp. nov. from Pia-Oac National Park in North Vietnam, are described. These are the
Jérôme Constant, Hong-Thai Pham
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Higher Fertilizer Inputs Increase Fitness Traits of Brown Planthopper in Rice. [PDF]
, 2017 Rice (Oryza sativa L.) is the primary staple food source for more than half of the world's population. In many developing countries, increased use of fertilizers is a response to increase demand for rice.
Ahmed, N +6 more
core +1 more source
European Journal of Taxonomy, 2014 The Malagasy genus Belbina Stål, 1863 (Hemiptera: Fulgoridae) is revised, transferred from the Enchophorinae Haupt, 1829 to the Aphaeninae Blanchard, 1847, and two new species, B. bourgoini sp. nov. and B. laetitiae sp. nov., are described.
Jérôme Constant
doaj +1 more source
Seasonal and Vertical Distributions of Planthoppers (Homoptera: Fulgoroidea) Within a Black Walnut Plantation [PDF]
, 2017 Information on the seasonal and vertical distributions of 34 species (eight families) of planthoppers was obtained from window trap collections in a North Carolina black walnut plantation in 15 and 1978.
Weber, B. C, Wilson, S. W
core +2 more sources