Preliminary study on insecticidal activity of extract from Pteris vittata L.
Liao Fengxian;Wang Lanying;Luo Yanping Abstrac: The insecticidal activity of methanol extract and extract with petroleum ether;chloroform;ethylacetate;n-butanol from Pteris vittata against Uroleucon formosanum and Prodenia litura were tested.The results showed that chloroform extracts displayed excellent activity against U.formosanum and P.litura;corrected mortality of U.formosanum increased with increasing of extracts concentration and extending of treating time.The mortality reached 86.92; against U.formosanum at concentration of 10 mg/mL for 72 h;and LC50 was 1.724 2 mg/mL;the antifeedant rate reached 65.76; against P.litura at 10 mg/mL for 24 h;and AFC50 was 3.934 6 mg/mL.

..............page:12-15

zhi wu mian yi you kang ji an ji gua tang su de ying yong xiao guo yu qian jing fen xi
yang pu yun li ping wang zhan e zhang shan xue liu wen xin

..............page:20-21

2012 nian yu xi xiao mai chi mei bing fa sheng te dian ji fang kong cuo shi
han zhan min ding zheng yu zhao zong lin zhang li liu wu tao li pei sheng gao hong wei

..............page:22-24

xiao mai xin hai chong mai gen jing cao ming (crambus sp.) zai shan dong lai zhou de fa sheng wei hai chu bao
wang hai ying gu yun zou ming jiang yang shou guang guo li ping yuan guo hui

..............page:28-30

dui tui jin cong guo wai yin zhong jian yi shen pi gong zuo de si kao
feng xiao dong xiong hong li liu hui li zuo zuo zhu li

..............page:53-55

xiao mai chi mei bing fang kong ji xiang guan wen ti de tan tao
gu li li wang lin li chou xue ping chou guang can yuan yu fu song qiao feng

..............page:31-33

dan ji za jiao dao he fei shi fang kong ce lue tan tao
zhu mao long li jun

..............page:33-35

liao ning sheng xi gua dao rang bing de jian yi yu fang kong cuo shi
cai ming jin xue dian

..............page:56-57

zhong guo zhu yao nong zuo wu you hai sheng wu shu ju ku kai fa jian she yu ying yong
huang chong liu wan cai zhou ming ming wang xue feng

..............page:36-40

tian jian huang ding ju zhong zi cheng shu jin du yan jiu
zhang xu yue qiang nie zhi ying li bao guo gong lan ju gao lian zhen li rui jun

..............page:58-60

yun nan sheng hong he di qu chuan bo fan qie ban wei bing du shu bing du de ji ma ji qi ji zhu zhi wu zhong lei diao cha
zheng xue liu chun ming li hong guang zhang jie dong jia hong zhang zhong kai

..............page:41-44

an yang shi kai zhan xiao mai yi pen san fang gong zuo de cuo shi ji jian yi
wang gang

..............page:61-62,52

hua zhou shi wan dao xi jun xing tiao ban bing fa sheng de qi xiang yu ce mo xing yan jiu
zhu qing chun chen bing chen hong chun guo xue fen chen guan hao

..............page:44-46

ji ji zheng qu gong gong cai zheng fu chi zha shi tui jin bing chong hai lv se fang kong
kong de sheng sun ming hai zhao yan li hui xiang hai cui wei na

..............page:63-65

han chang fu bu chang zai quan guo chun ji tian guan zuo chun geng bei geng gong zuo shi pin hui yi shang qiang diao xun su xian qi chun geng sheng chan re chao li zheng duo qu xia ji liang you feng shou

..............page:1

tai guo shui dao bing chong hai jian ce yu fang zhi
jiang yu ying xu zhi ping lv zhong xian li yong chuan liao hua ming

..............page:65-68

quan guo bing chong ce bao xin xi hua yu xian dai hua jian she zuo tan hui zai jing zhao kai

..............page:40

quan guo zhi wu jian yi ji suan ji guan li xi tong kai fa wei hu yan tao hui zai zhong qing zhao kai

..............page:60

huang chong fang zhi zhi hui xin xi xi tong he huang qu shu zi hua kan ce ji shu pei xun ban zai tian jin ju ban

..............page:60

tian ran zuo zuo su nei zuo dui xiao mai de sheng chang diao jie zuo yong ji zeng chan xiao guo yan jiu
zhang yue jin yang wen zuo chen min

..............page:47-48

2012 nian quan guo nong ye you hai sheng wu kang yao xing jian ce jie guo ji ke xue yong yao jian yi
zhang shuai shao zhen run

..............page:49-52

Analysis on genetic diversity of Phytophthora parasitica var. nicotianae in Guizhou
Su Kai;Sang Weijun;Wang Hui;Liang Junyi;Zhang Yi

..............page:8-11

Life table of laboratory population of Therioaphis trifolii on alfalfa
Xu Linbo

..............page:5-7,11

tian cai ye e 4 zhong xing you xin de tian jian you e xing neng bi jiao yan jiu
li mei wang shao li sun jun ming sheng shi meng zhu guo ren sheng cheng fa

..............page:24-27

Research progress on disease and insect pests controlling by environmental friendly measures in jujube orchard
Han Hongpeng;Wang Ding;Zhang Liqin?

..............page:16-19,30