In order to understand these differences on gene transcript level, even to get the genes and their expression related to cell culture, we researched the differences of total mRNA of these tissues by RAPD-PCR, the result showed that the difference between embryo and head of nymphae was much closer than embyo with others, which was accorded to the time order of insect upgrown, and the tissue which is more different from embryo on transcript level ismore diiBcult to be cultured in vitro.

四種組織的培養(yǎng)難易程度和分離出的細(xì)胞形態(tài)的不同91se资源在线观看，說明存在著組織表達(dá)的差異，為了從轉(zhuǎn)錄水平上來認(rèn)識它們的差異国内自拍av，甚而獲得與細(xì)胞培養(yǎng)難易相關(guān)的基因及其表達(dá)產(chǎn)物自拍国语日韩欧美视频在线播放网站，本實(shí)驗(yàn)還采用了RAPD分析的方法進(jìn)行了這四種組織：中后期蟲卵胚胎、若蟲頭部組織狠狠色2019、成蟲的精巢和卵巢的mRNA表達(dá)差異研究在线视频xxxx，結(jié)果表明：從發(fā)育方向上看，四種組織的表達(dá)差異有分化越大差異系數(shù)越大的趨勢欧美精品中文字幕手机在线，而在相同條件下則越難培養(yǎng)欧美A∨免费网站。

The number of the adults and nymphae of psocids at the surface of the stored wheat was as many as that at the inner of stored wheat when the temperature was 15℃, the number of the psocids at the surface of the stored wheat would exceed the psocids number at the inner when the temperature exceed 20℃.

結(jié)果表明亚洲欧美性爱视频免费观看，嗜蟲書虱在小麥堆的種群變化因糧溫的上升而增大，并表現(xiàn)為15℃左右時糧堆表層和糧面下100cm處數(shù)量相近网址你懂的在线观看，糧溫升達(dá)到22℃以上后国产一级情侣A片，糧堆表層的書虱數(shù)量明顯多于糧堆內(nèi)部。

At wheat growth stage, raising experiment in the lab indicates that there are significant differences to M. avenae in the developmental duration and mortality of the nymphae, and the longevity and fecundity of adults among 7 cultivars or lines with different resistance.

室內(nèi)飼養(yǎng)實(shí)驗(yàn)表明五月婷婷色色色色色色，在小麥成長期2021年最新情侣自产自拍，供試的7個不同抗性品種對麥長管蚜若蚜發(fā)育歷期、存活率免费国产人成18在线观看、成蚜壽命和生殖力有顯著的影響一级a片日韩激情黄片。

Cinnabarinus. 500 times dilution of the concentration on the poisoned Tetranychus cinnabarinus better, 96 h in drug corrected mortality of young mite reached 80%, the corrected mortality of the nymphae mite reached above 75%, the corrected mortality of the adult mites reached 60%, which showed that the SC had poisoned the role to all mites.

結(jié)果］稀釋500倍以下的濃度對朱砂葉螨的毒殺效果較好，在藥后96h幼螨的校正死亡率均達(dá)到80%以上人人人操人人人干人人，若螨的校正死亡率均達(dá)到75%以上18性欧美深喉口爆视频，成螨的校正死亡率均達(dá)到60%以上，表明BtR05懸浮劑對朱砂葉螨的幼螨亚洲国产污视频、若螨和成螨均具有毒殺作用欧美性XXXX18一19。

The number of adults, nymphae and eggs of E. vitis is the most on the upper part of tea trees and the less on the lower. In Tieguanyin and Fuding White Tea, the distribution of eggs of E. vitis is both above the third leaf position.

在鐵觀音和福鼎大白茶茶樹上，假眼小綠葉蟬卵的分布均以3葉位以上為主AV原创在线，其中鐵觀音烏龍茶樹上主要分布在2葉位和3葉位欧美色图亚洲图片，分別占32.07%和27.01%，而在福鼎大白茶上主要分布在2葉位和1葉位免费啪啪黄色视频，分別占35.42%和28.81%啊轻点啊视频。

Just hatched nymphae\'s,had the aggregated habit,the most nymphaes often gathered in together,crawled to the host cactus\'s peak,sought the new stem piece, derived the new nutrition.

剛孵化的若蟲，具有群集習(xí)性94人人操人人操人人看，多數(shù)若蟲常聚集在一起人人操人人上人人入人人射，爬到寄主仙人掌的頂端，尋找新的莖片黄片三级在线观看，以汲取新的營養(yǎng)国产极品水嫩美女。

There w ere two types for sensilla trichodea. Some bohm bristles formed sensilla cluste r on antenna of nymphae.

其中毛形感器有2個類型，若蟲觸角上的部分蒲姆氏鬃毛組合成弧形感覺簇人人人人操操。

With the nymphae of L. imitate on longan tree as tested objects, the 98.5% N24 mineral oil pesticide and 99% EnSpray mineral oil EC were diluted with water at 100 and 200 times of solution resp., the control effect of 98.5% N24 mineral oil pesticide on L. imitate of longan was researched by field experiment.

方法］以龍眼樹上的白蛾蠟蟬若蟲為供試對象鸥美人妻，用98.5%N24礦物油殺蟲劑和99%綠穎礦物油乳油分別對水稀釋100和200倍液，通過田間試驗(yàn)狼友视频在线播放网址，研究了98.5%N24礦物油殺蟲劑對龍眼白蛾蠟蟬防治效果久久免费黄色视频。

To dissect single cells promising to culture from tissues, we researched the time of hydrolyzation of the tissues by tryposin, the result showed that the optimum time of hydrolyzation of the tissues was 5~10min when pretreated with 0.25% tryposin under the optimum conditions of pH8.0 at 37 C.We cultured four tissues: embryo at mediat-anaphase, head of high-age nymphae, spermary and ovary of adult.

組織塊分離出來后，為了能獲得單個的免费A片在线视频、有培養(yǎng)前景的細(xì)胞免费观看WW红色片三级片，本實(shí)驗(yàn)又研究了低濃度的胰蛋白酶在其最適溫度和最適pH條件下，獲得分離程度適宜的組織塊的不同酶解時間，結(jié)果0.25％的胰蛋白酶在37℃99riav.com金发、pH8.0的條件下酶解組織塊的最適時間是5～10min免费人成网站在线观看交流。

Antennal morphology and sensilla of A. suturalis were studi ed w ith scanning electron microscopy. The results showed that four types of sensilla were observed on the antenna of adults and nymphae, including sensilla chaetica , sensilla trichodea, sensilla basiconca, and bahm bristles, and no morphologic a l difference was found in these sensilla between male and female adults.

采 用掃描電鏡技術(shù)對其觸角形態(tài)和感器進(jìn)行觀察，結(jié)果表明：中黑盲蝽雌雄成蟲及若蟲觸角上分布4種類型的感器免费看毛片使劲操，分別為刺形亚洲男女日逼视频网站、毛形、錐形和蒲姆氏鬃毛成人黄色网站18，且這些感器不存在性二型現(xiàn)象肏屄视频久久网。