منابع مشابه
Influence of cover crops on insect pests and predators in conservation tillage cotton.
In fall 2000, an on-farm sustainable agricultural research project was established for cotton, Gossypium hirsutum L., in Tift County, Georgia. The objective of our 2-yr research project was to determine the impact of several cover crops on pest and predator insects in cotton. The five cover crop treatments included 1) cereal rye, Secale cereale L., a standard grass cover crop; 2) crimson clover...
متن کاملField Abundances of Insect Predators and Insect Pests on Δ-endotoxin-producing Transgenic Cotton in Northern China
China is one of the largest producers of cotton in the world. Insect pests such as cotton bollworm, cotton aphid, and mirids are the major factors that contribute to a decrease in cotton production. Transgenic cotton that expresses a gene derived from the bacterium Bacillus thuringiensis (Bt) has been deployed for combating cotton bollworm since 1997 in China, and expanded rapidly to 3.7 millio...
متن کاملToxicity of seven foliar insecticides to four insect parasitoids attacking citrus and cotton pests.
Laboratory studies were carried out to compare the toxicity of seven foliar insecticides to four species of adult beneficial insects representing two families of Hymenoptera: Aphelinidae (Aphytis melinus Debach, Eretmocerus eremicus Rose & Zolnerowich, and Encarsiaformosa Gahan) and Mymaridae (Gonatocerus ashmeadi Girault) that attack California red scale, Aonidiella aurantii (Maskell); sweetpo...
متن کاملThe Application of XML in the Denotation of Plant Diseases and Insect Pests Information
This paper describes the design process of Plant Diseases and Insect Pests Information Markup Language that is used in Plant Diseases and Insect Pests Information Database of Installation Agriculture Information Platform. After analyzing and defining the basic comprising elements of plant diseases and insect pests information, the XMLSchema of Plant Diseases and Insect Pests Information Markup ...
متن کاملTranscriptome Analysis in Cotton Boll Weevil (Anthonomus grandis) and RNA Interference in Insect Pests
Cotton plants are subjected to the attack of several insect pests. In Brazil, the cotton boll weevil, Anthonomus grandis, is the most important cotton pest. The use of insecticidal proteins and gene silencing by interference RNA (RNAi) as techniques for insect control are promising strategies, which has been applied in the last few years. For this insect, there are not much available molecular ...
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ژورنال
عنوان ژورنال: Nature
سال: 1906
ISSN: 0028-0836,1476-4687
DOI: 10.1038/073257a0