| 单词 | insecticide |
| 释义 | insecticide noun[CorU] uk/ɪnˈsek.tɪ.saɪd/us/ɪnˈsek.tə.saɪd/achemicalsubstancemade and used forkillinginsects,especiallythose thateatplants 杀虫剂Compare herbicide pesticide Plant pathology
You can also find related words, phrases, and synonyms in the topics: Improving fertility & pest control insecticide| American Dictionaryinsecticide noun[C/U] us/ɪnˈsek·təˌsɑɪd/achemicalsubstanceforkillinginsects Examplesofinsecticideinsecticide For the rotation plots, sets of cards for all four insecticides used in the rotation schedule were prepared each week for the bioassays. From theCambridge English Corpus Each of the seasonal factors increased the impact of theinsecticidebecause they lowered the population's growth potential. From theCambridge English Corpus Insecticidetreatments (pyrethroids and neonicotinoids) applied before collection of the spring sample may be responsible for such selection. From theCambridge English Corpus To enable measuring the effect of reduced borer densities on maize yield, the maize monocrop and all intercrops were grown with and withoutinsecticidetreatment. From theCambridge English Corpus No insecticides were applied to the permanent data trees and two guard rows on either side throughout the study. From theCambridge English Corpus The use of insecticides has been the major control strategy for cowpea and okra pests, especially in the tropics. From theCambridge English Corpus Three chapters are devoted to insecticides, for mulations and application methods, and problems associated with their use, particularly the development by pests ofinsecticideresistance. From theCambridge English Corpus For this reason, reliance on insecticides as the sole means of managing infestations was considered at best a short term solution. From theCambridge English Corpus The lack of early or mid-seasoninsecticidestress in organic cotton may have favored naturally occurring biological control of cotton aphid16. From theCambridge English Corpus This suggests that additional organophosphate products were used by farmers at times of highinsecticideuse. From theCambridge English Corpus Comparisons were done across allinsecticideand crop mixture treatments, between leaves and tips and varieties. From theCambridge English Corpus Many smallholders do not use insecticides at all, so that they suffer significant pest-related yield losses. From theCambridge English Corpus Theseinsecticidesavings become even more pronounced when commercial product concentrations are converted into amounts of active ingredients. From theCambridge English Corpus Life-history cost associated with the evolution ofinsecticideresistance. From theCambridge English Corpus The remaininginsecticide-susceptible aphids could then more easily be controlled with an application of any aphicide that is less damaging to non-target species. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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