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- adult stage resistanee 成株期抗性
- An insect in its sexually mature adult stage after metamorphosis. 成虫蜕变后处在性成熟状态的昆虫
- Living in a permanently fixed state in the adult stage, as the barnacle. 附着的一种在整个成长过程中永久性吸附于它物的动物,如藤壶
- The parasitic larva of a trematode worm,having a tail that disappears in the adult stage. 尾动幼虫,摇尾幼虫吸虫纲虫的寄生幼虫,其尾在成虫阶段消失
- Living in water during an early stage of development and on land during the adult stage. 水陆两栖的在发育的早期水生而成年期陆生的
- The eaten capacityof the nymph stage is 458.69mg, and the adult stage is 1565. 80mg. 取食量随龄期的增大而增大。 蝗铺期平均取食鲜草458.;69mg,成虫期平均1565
- There were two kinds of storage protein termed SP-1 and SP-3 in the pupal. Only SP-3 was present in the adult stage. 粘虫蛹中发现两种储存蛋白SP-1和SP-3。
- A cDNA clone of 1 629 bp was obtained by screening the library with an adult stage specific probe. 利用消减杂交 (subtractedhybridization)获得的旋毛虫成虫期特异性探针筛选成虫cDNA文库 ,获得一个长 16 2 9bp的基因。
- The parasitic larva of a trematode worm, having a tail that disappears in the adult stage. 尾动幼虫,摇尾幼虫吸虫纲虫的寄生幼虫,其尾在成虫阶段消失
- Any of numerous crinoids of the genus Antedon and related genera, having a free-swimming, stalkless adult stage with branched, feathery arms. 毛头星,海羊齿:一种海羊齿属海百合及其亲缘种属植物之一,在其能自由浮游的无柄的成熟阶段,生有多枝的,羽状的手臂
- In our studies, it is indicated that the optimum period of controlling Liriomyza sativae with pesticides is its young larva stage of adult stage. 研究表明,防治美洲斑潜蝇(Liriomyza sativae Blanchard)的适期以低龄幼虫或成虫期为佳。
- Neurite regeneration from central nervous tissue of mammalian has been demonstrated to occur in early postnatal stage but not in adult stage. 摘要刚出生的哺乳动物之中枢神经组织在体外培养具有神经轴突再生的能力,但是成人期的中枢神经组织就丧失此能力。
- Ovicidal and adult stage LC50s were 0.0018% and 0.0101%, respectively, for Envidor SC (Spirodiclofen ) oncitrus red mite in In vivo laboratory studies. 对24%25Envidor对于柑桔红蜘蛛防效田间药效和室内毒力测定。 毒力测定结果表明:Envidor杀死柑桔红蜘蛛雌成螨的LC50为0.;0101%25;杀死红蜘蛛卵的LC50为0
- The results showed that spermary of T. ostriniae had been set before the eclosion and no sperm was produced in the adult stage. 结果表明,玉米螟赤眼蜂雄蜂在羽化时或羽化后很短的时间内其精巢就已发育成熟,成虫期不再形成新的精子。
- A resemblance in form between the immature and adult stages of an animal. 成幼同型一种动物在未成熟阶段与成年阶段外形的相似
- Any of various crustaceans of the subclass Cirripedia,which includes the barnacles and related organisms that attach themselves to objects or become parasitic in the adult stage. 蔓足类动物一种蔓足亚纲的甲壳类动物,包括藤壶及与其相关的生物,附着于物体上或在成熟阶段开始寄生生活。
- Any of various marine crustaceans of the subclass Cirripedia that in the adult stage form a hard shell and remain attached to submerged surfaces,such as rocks and ships'bottoms. 藤壶,一种蔓足亚纲的海洋甲壳类动物,成年期形成硬壳且固着在没入水的表层,如岩石和船底。
- Any of various fragile winged insects of the order Ephemeroptera that develop from aquatic nymphs and live in the adult stage no longer than a few days. 蜉蝣,蜉蝣纲的各种有纤细翅膀的昆虫,由水生的蛹发育而成,成年期仅存活几天。
- This study deals with the endocrine control of sex pheromone secretion in an insect which has a short-lived non-feeding adult stage and lacks multiple reproductive cycles. 本文报道用定量生测方法发现在成虫期短、无多次生殖循环、成虫不取食的鳞翅目昆虫中存在内分泌对性信息素的控制。
- Population dynamics of Dendroctonus valens at the egg stage, larval stage and adult stage in Shaanxi province was studied by lure-wood and indoor breeding. 用饵木诱集及室内自然温度饲养方法确定了红脂大小蠹在陕西韩城雷寺庄林区成虫、卵、幼虫种群数量的年变动规律。