The results of analysis showed that the contents of low boiling point components such asα-pinene,camphene,β-pinene,α-phellandrene and β-myrcene in flower oil,which are 17.58 %,13.19 %,1.13 %,2.03 % and 1.02 % respectively, are lower than those in leaf oil.

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The results indicated that there were 9 kinds of monoterpenes and 3 kinds of sesquiterpenes were identified both in healthy and weak trees.The components included Thujene,α-Pinene,β-Phellandrene,β-Pinene,Camphene,3-Carene,Limonene, Terpinene,p-Mentha-1,4(8)-diene,Cedrene,Thujopsene andα-Caryophyllene.

結(jié)果表明，與健康側(cè)柏相比国产午夜无码福利在线看网站，衰弱側(cè)柏樹干中沒有檢測(cè)到新的化學(xué)組分產(chǎn)生sese亚洲图片，同樣是由苧烯、α-蒎烯黄色视频条乱、莰烯、β-蒎烯强奸熟女的视频、β-水芹烯精品一IGAO一视频网、3-蒈烯、檸檬烯、萜品烯a毛av免费、p-薄荷-1www.在线黄片.com，4(8)二烯共9種單萜和雪松烯、羅漢柏烯和石竹烯3種倍半萜烯組成人人草人人爱人人色。

Obducta to nine kinds of larch volatile compositions, namely R-α-pinene, S-α-pinene,β-pinene, ocimene, phellandrene, 3-carene, myrcene, camphene and phytol with EAG and Y-tube olfactometer. The results showed that 0.4 molL^(-1), most volatile compositions had significant EAG responses compared with the blank control (P.05), with exception of females to R-α-pinene, males to R-α-pinene and phellandrene.

結(jié)果表明：在0.4molL^(-1)濃度下人人摸人人干人人噪，雌蛾除了對(duì)R-α-蒎烯、雄蛾除了對(duì)R-α-蒎烯和水芹烯沒有明顯EAG反應(yīng)外200av天堂，對(duì)其余揮發(fā)物的EAG反應(yīng)與對(duì)照相比差異均達(dá)到顯著水平(P.05)免费福利欧美性爱，并且雌、雄蟲之間的EAG反應(yīng)也存在一定的差異成人日韩欧美在线电影。

Among them,--α-Pinene国内乱能揄拍国内精品人妻、--β-Pinene、--3-Carene are the three main compounds which account for above 96% of monoterpines, and a small amount of other monoterpines,-limonene, myrcene, camphene, phellandrene.

而對(duì)于經(jīng)常構(gòu)成蠹類害蟲樹體引誘劑組分的萜烯類成分在其中占居較高的比重日本乱子伦视频，主要為3種成分--3-蒈烯黄色无码视频在线免费观看，--α-蒎烯和--β-蒎烯，占萜烯類總量96％以上国产yyzz。另外還含有少量的檸檬烯啪啪一级视频、香葉烯、莰烯和萜品油烯等成份特黄a大片免费视频。

When the tree changes from health to weak, the main terpene compounds changed, such as the amount of 3-carene, isolimonene,β-pinene, 4-carene were significantly enhanced, and santolina triene,α-fenchene,β-myrcene,β-phellandrene were declined. It will provide a basis for Monochamus urussovi Fischer to select suitable parasitic Picea jezoensis.

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The main components of santolina essential oil are artemisia ketone; vulgarone;β-Phellandrene; curcumene; myrcene; sabinene; and β-Pinene, accounting for 83.44 percent of the total content and 887.5μL/kg·FW in terms of absolute content.

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Electroantennogram study showed that the female moths had stated response to main compositions of needle volatile of α-pinene,β-pinene, myrcene, limonene and β-phellandrene,β-phellandrene elicited the largest EAG response, and limonene was secondly.

松實(shí)小卷蛾雌蛾對(duì)思茅松針葉揮發(fā)性物質(zhì)主要成分α-蒎烯人人操人操人人人操人操人人人操、β-蒎烯、月桂烯黄色视频240版、檸檬烯谁知道A片网址、β-水芹烯都表現(xiàn)出一定的觸角電位反應(yīng)，以β-水芹烯引起的松實(shí)小卷蛾觸角電位反應(yīng)最大97免费无码无码人妻视频，其次是檸檬烯18禁片免费黄色网站在线播放。

Compared with the control,the relative contents of 3-Carene and thujopsene increased significantly and that ofα-Pinene、β-phellandrene欧美特黄一级AAAAA片、β-Pinene and Limonene decreased in weak trees.

但是衰弱側(cè)柏中3-蒈烯和羅漢柏烯含量明顯升高黄色视频一级免费看，α-蒎烯、β-蒎烯免费黄色一区二二区、β-水芹烯和檸檬烯含量減低91亚洲清品。

Conclusion］Taking into account the fact that there is more β-phellandrene and limonene in volatile of fresh needles than that of withered needles, the two compounds are speculated as the primary oviposition stimulants.

結(jié)論］β-水芹烯、檸檬烯在新鮮針葉揮發(fā)物中的含量遠(yuǎn)大于在枯萎針葉揮發(fā)物中的含量在线鲁鲁视频免费观看，β-水芹烯欧美在线精品视频第九页、檸檬烯可能是刺激松實(shí)小卷蛾雌蛾產(chǎn)卵的主要物質(zhì)。

Has been isolated and identified, by MS-GC, 27 compounds of which main consti tuents are 1,8-cineol, comphor, pinene, terpinol, cabinene, terpinene, tert-buty- penZene, phellandrene, coaryphyllene, sabinene.

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