pupation
英
美
n. 蛹化；化蛹
双语例句
- Laboratory experiments were conducted to examine the survival time, pupation rate and eclosion rate for the Brontispa longissima in the situation in lack of food.
研究了椰心叶甲的饥饿耐受时间，饥饿状态下的化蛹率和羽化率。 - From about one week before pupation ( the last instar) haemolymph ecdysteroid titres went up forming two separated peaks.
预蛹化蛹前一周血淋巴中蜕皮甾类激素滴度存在两个与变态相对应的峰值。 - Pupation takes place abou the middle part of April. THE 4TH CONGRESS OF THE GEOLOGICAL SOCIETY OF FUJIAN PROVINCE WILL BE HELD IN FUZHOU IN APR. 17-19, 1989
四月中旬开始化蛹，蛹期十八至二十天。福建省地质学会第四届会员代表大会将于四月中旬在福州召开 - Research in Hawaii has show that doses of1,000 Gy or more may be required to prevent hatch of irradiated eggs, molting of treated larvae to the next instar or pupation of treated mature larvae.
夏威夷的研究表明，阻止辐照过的卵孵化、被处理幼虫蜕皮进入下一龄期或被处理老熟幼虫化蛹，可能需要1000居里（Gy）或更高的剂量。 - The larval period was markedly prolonged, the larval body was gradually shrank and pupation was inhibited ( The pupation rate of the treated larvae was only 8%, but that of the control larvae amounted to 79% in 120h).
幼虫的生长发育明显地受到抑制，幼虫生长缓慢，幼虫期延长，二龄以上幼虫化蛹率极低，处理组120h化蛹率仅为8%，而对照组为79%。 - The survival and pupation rates of over wintered SSB collected from rice field were 67.30% and 70.06%, much higher than SSB collected from Zizania fields.
水稻田二化螟越冬幼虫的存活率和化蛹率分别为67.30%和70.06%，茭白田二化螟则分别比其低20.90%和21.69%； - The pupation and eclosion were hindered by treatment of larvae.
处理幼虫后，试虫的化蛹和羽化受阻。 - Difference of diapause termination between univoltine and bivoltine was only in the length of critical pupation time.
一化性和二化性的二化螟越冬幼虫在滞育解除方面的差异仅表现在群体临界化蛹前期的长短上，一化性CC品系的群体临界化蛹前期显著长于二化性PL品系。 - Genetic analysis on the inheritance of pupation rate and some traits of cocoon were adopted with diallel cross.
本试验采用完全双列杂交方法，对家蚕的生命力与茧质性状进行了遗传研究。 - Spinosad fed to 4th instar larvae for 2 h led to reduction in the percentage of pupation, but did not significantly affect adult emergence, life span, and egg production.
菜喜对小菜蛾4龄幼虫化蛹率有显著降低作用，但对蛹的羽化率、雌成虫寿命及产卵量却没有明显影响； - The results revealed that the timing of pigmentation of compound eyes and adult emergence were delayed by treatment of KK-42 before 36th hours after pupation.
试验结果表明：KK-42在蛹龄36小时之前处理有推迟复眼着色和羽化的作用，而且以复眼着色延迟更明显。 - Feeding with artificial diet indoor, the larvae finished 6 instars before pupation.
上树后的幼虫，在室内人工饲养条件下发育了6龄仍未化蛹。 - The irradiated silkworms showed difficulty in their metamorphosis, and to be markedly lowered in cocooning rate, pupation rate and eclosion rate.
照射后家蚕变态困难，结茧率、化蛹率和羽化率显著降低； - Effects of raining on the pupation and emergence of cotton bollworm and its occurrence
降雨对棉铃虫化蛹和羽化的影响机制及对发生程度的抑制作用研究 - The survival and pupation rates of the larvae increased with increase of larval weight because of water drinking.
幼虫的存活和化蛹率随幼虫饮水后体重的增加而增加。 - The diapause development of Chilo suppressalis ( Walker) can ie accelerated by the presence of food ( rice) However food had no effect on increasing the pupal percentage, only shortening the population's critical pupation time.
通过室内试验对二化螟的滞育解除进行了初步研究结果表明，食料对二化螟的滞育有明显的促进作用，但这种促进作用不表现在化蛹率的提高，而在于缩短供试幼虫的群体临界化蛹前期。 - Significant differences of pupation rates were also observed in the 1st and 2nd instar larvae.
2龄幼虫的化蛹率与对照相比有显著差异，3、4龄则差异不显著； - For soil culture, DD of larvae and the number of eggs laying by adult females significantly increased with increasing nitrogen fertilizer levels, but fertilizer did not influence DD of pupae, pupation rate and adult emergence rate.
土培条件下，随着氮肥施用浓度的升高，幼虫的发育历期和产卵量显著增加，但蛹的发育历期、化蛹率和羽化率无明显的变化。 - However, the pupation rates and eclosion rates were not.
但不同温周期处理后，其化蛹率和羽化率之间没有明显差异。 - Different intensities of magnetic field had significant effects on pupation rate and eclosion rate, while there was no obvious effect on egg hatching.
不同磁场对小菜蛾卵孵化率无明显影响，但对成蛹率及羽化率有明显影响。 - The DBM treated with lufenuron showed hormesis, stimulate increased pupation rate and emergence rate by low concentrations ( LC10and LC20), were decreased by inhibited at high concentrations.
虱螨脲处理的小菜蛾也表现出毒物兴奋效应，其化蛹率和羽化率在低浓度（LC10和LC20）受到刺激升高，在高浓度被抑制而下降。 - When reared with rice seedlings, the larval survival rate to 3rd instar was very low ( less than 10%), and no larvae could grow to pupation.
而稻苗饲养法饲养的大螟三龄幼虫成活率很低，不到10%，且无法生长到化蛹。 - Its expression was restricted to larval and early pupation stage.
主要表现为幼虫及蛹前期表达。 - Compared with the DMSO asterosaponins have a certain inhibitory effect on the pupation of drosophila and the eclosion, the inhibitory activity increase with the concentration of asterosaponin increasing.
实验证明，与对照组相比，海星皂甙对果蝇子代的蛹化和羽化都有一定的抑制作用，其抑制活性随培养基中皂甙的浓度增加而增大，而DMSO组则没有抑制活性。 - The average pupal weight and the pupation rate remarkably decreased and the rate of growth and development were both delayed to the contrast.
平均蛹重和化蛹率都大幅度下降，且生长发育速度较CK延迟。 - In the third day after pupation, there are 3 spots down-regulated and 1 spot up-regulated.
化蛹第三天，有3个蛋白点在scaleless中表现出下调，1个点表达量上调。