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31) Several other herbicides, including amitrole, barban, dicamba , and MCPA, alter aphid populations on treated hosts plants.

32) Since aphid population may become resistant to organophosphorus compounds, avoid excessive spraying.

33) There was a close genetic relationship between the fundatrix (apterous), virginoparae (apterous) and virginoparae (alate) in the green peach aphid.

34) In this paper, an attempt to use the reverse passive haemagglutination assay (RPHA) to identify the predators of cotton aphid Aphis gossypii Glover was described.

35) The possible causes of the formation of aphid host bio types were reviewed.

36) Pirimicarb, 2-(dimethylamino)-5,6-dimethyl-4-pyrimidinyl-dimethylcarbamate, an extensively used carbamate insecticide, has been widely applied in fruits and vegetables protection from aphid.

37) JH analogs could produce a remarkable effect on the population dynamics and the alate rate of adult aphid.

38) One kind of Japanese aphid and one kind of leaf spot fungus.

39) This paper studies composition and characters of the aphid fauna of Hengduan Mountains Region.

39) Sentencedict.com try its best to collect and create good sentences.

40) Our results indicate that sinalbin is an important indicative chemical or feeding stimulant in host plant part preference by the cabbage aphid.

41) In this paper, the occurrence regulation of the apple woolly aphid was described, and one method of field trials was proposed by the Guidelines for the field efficacy trials.

42) The main disease of lotus has cankered disease, leaf spot to wait, insect pest has aphid, chafer to wait.

43) CTV and its efficient vector, brown citrus aphid ( Toxoptera citricida Kirkaldy ), are widely distributed in China.

44) Test of goodness of fit proved that when the index of aphid degree was less than 80 and the samples were more than 100, the quantity estimation accuracy was as high as 90%.

45) A new insecticide bioassay target, green peach aphid, its rearing and several different bioassay methods were introduced in this paper.

46) Eriosoma lanigerum(Woolly apple aphid) is a kind of harmful pest to agricultural plant quarantined. It lives in the apple tree autoeciously and does harm collectively.

47) The aphid is now laying waste to the wheat and barley fields.

48) Development period of the cotton aphid[sentencedict.com], Aphis gossypii Glover was observed in different cotton varieties with resistance to insect pests by inoculating the insect pest on cotton leave in laboratory.

49) AVA gene of aphid resistance is regarded as a new member in Amaranthus lectin families.

50) In general an aphid cannot or hardly identify its host at a distance.

51) Bioassay results revealed that mixed insecticide Jiaqing exhibited a significant synergism against oriental armyworm, bean aphid and rice leafhopper, and its cotoxicity coefficient (CTC) was 179.

52) Resistance to fenitrothion and decamethrin of cotton aphid is different in different areas, seasons and hosts.