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 Wysłany: Nie 5:10, 16 Sty 2011 Temat postu: asics australia Zhangye Table aphid resistance to |
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Zhangye Table aphid resistance to pyrethroid insecticides
. 949} Xl02.487BXlO2.3305 Beijing snapped into permethrin 4. j254 +0.3250 XI. I899 × 【a42 【0.6973. 6 ×】 【0 {5.4266.6,[link widoczny dla zalogowanych],05 Zhangye Zhangye atlas of 47 kinds of insecticides on aphid Sitobion Lei Tian http dosage of anti-insecticide name -,[link widoczny dla zalogowanych], effect of anti-c% l, s teaching on anti- c I; (g active ingredient / acre) 40% Omethoate 4095.1l97.8O% fenitrothion alkaline 【【00.099.2% 5 【097.988.32O% anti-ping into the cyanide into the pyrethroid 752,[link widoczny dla zalogowanych],53 .6 O% a 40% methylamine Bo 5096.3I a l98.50% Dimethoate 40 Z5 a l96.2.5% bromine marathon mouse 1 a I60.2 Ju alcohol in different years, Zhangye repeated experiments in different places , but get the same results in the region, statistics in Table 4. Pyrethroid insecticides in order to further verify the control effect of Zhangye aphids, we used 5 years in l9B7 pyrethroid insecticides on wheat aphid and wheat Wei called on the second test were carried out, the results are listed in Table 5. The results further confirm that pyrethroid insecticides 5 Zhangye control efficacy of two wheat aphid are very poor. This is repeated with three years of tests and the results of indoor virulence test is consistent. Huan Rong-55 cream withered insect suppression of aphids in the field jl} trespassing against cyberspace base killing Tibet Jing 1987, the name of l (a beetle Xiao Man mu) l of the control effect of S. avenae (%) {good on Schizaphis Prevention and Response (%)--------------------------- one - a ------ 【A ~ ~ a 40% oxidation dimethoate 40J94, 64f94, 032.5% effort Io. 3l77.66l72.622o% dichlorobenzene drunk l2l59.52l53.9l20% cypermethrin ether Ju Ju Hu l2; 24.76l3}. 872.5% bromine cyanide Ju spiritus l0.5j64.5I5B, 0020% fenvalerate I6l45.66l: 3.42 discuss Toxicity from repeated measurement results, Zhangye wheat aphid populations than the population of Beijing Ju Ester Insecticides significantly lower, by stupid Kun Yuan (1'6 *) method to determine the level of pest resistance, Zhangye wheat aphid resistance of several pyrethroid insecticides index for the 3.29- 47. } 8 times. l20 Insect 3, Volume z. Zhang destroy Schizaphis graminum on Insecticide Resistance of several chrysanthemum enzyme index for 6.1-30.77 times. 3. Field efficacy trials and the smell fat aphid indoor mold ability test results were consistent rejection of pyrethroid insecticides in Zhangye Fang aphid effect was significantly lower than in Beijing. In 1980, the Ministry of Agriculture 农药检定所 Agrochemicals on the foreign field efficacy results compiled in the report and pyrethroid insecticides to donate in the river, gradually ljII, Hebei, Beijing, Shaanxi and other provinces and cities I5 control effect on the wheat aphid 97. 7-99.0%, this is the place to be thrown some pyrethroid insecticides against aphids Link leopard basis. This also indicates that pyrethroid insecticide to help ride Zhang efficiency by wheat aphid is poor, indeed the resistance caused by pyrethroid insecticides in itself is not a good effect against Jimmy worse. Chang Mai by region over the past many good fat with the rule of BHC, after the switch to dimethoate,[link widoczny dla zalogowanych], omethoate, use of methamidophos in recent years and more, yet little useful rule of pyrethroid insecticides fat wheat aphid situation. We found that permethrin Lou Zhangye Aphids on the resistance shown by pesticides of view, then wheat aphid virulence Zhang regression in the b values were significantly lower than the Beijing population, reflecting the good wheat populations Zhangye heterogeneous good question, it is worth noting. L of the causes and mechanisms of resistance is still frost further study. The Zhangye Lou hog aphid insecticide on pyrethroid resistance, is to promote limited to the Xiamen Chang Asif by or aunt or an entire corridor of Gansu Province, wheat aphid resistance to population distribution, but also need to be further verified, which is used Xiamen contact insecticide to be reasonable fine silk Taiwan Taiwan, prevention and treatment programs,[link widoczny dla zalogowanych], there is a certain significance. Reference paper sold Kunyuan barnyard mussels on 1059 196 Determination of resistance. Insect l3 (1y.I offer PYRETHROIDRESISTANCElNWHEATAPHIDSOFZHANGYIEWEICEHFNXIN-LINSUNXIAO-PINGWANGWaN-Ll (co-l \ More articles related to topics：
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