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- Keywords Bombyx mori;cut cocoon;fifth instar larva;fibroin powder; 家蚕;削口茧;五龄蚕;丝素粉;
- The Relation Between the Protein Composition of Posterior Silkglands in the Fifth Instar Larva of Silkworm and Cocoon Shell Weight 家蚕五龄后部丝腺蛋白质构成与茧层量的关系
- fifth instar larva 激烈发酵
- A Comparison of the Protein Composition of the Middle Silk Gland Cells of the Fifth Instar Larvae of Silkworm 家蚕五龄幼虫中部丝腺细胞的蛋白质组成比较
- The predacious ability of fifth instar nymph and adult is larger. 随着日本高姬蝽虫龄的增长;取食量增大;其中5龄若虫和成虫的捕食作用较大.
- The reults suggest that the antigen changes with different stages and the protein of 30 kD appeared newly at the 5th instar larva is stage-specific. 提示家蚕不同时期抗原成分有所变化,5龄家蚕新出现的30kD蛋白为特异性变应原。
- DPC and PP333 had different effect on damage of cotton bellworm, but the damage of younger instar larva was reduce by spring DCP and PP333. 室内外试验中缩节胺、多效唑对棉铃虫危害的影响存在差异,但喷施后都使棉铃虫低龄幼虫的危害减轻。
- Optimum economical amount of mulberry leaves has been studied for raising the fifth instar silkworms incubated from the eggs on each piece of paper,i.e.20,000 silkworms. 为探讨张种五龄用桑最佳经济指标,作者曾先后多次进行了五龄定量给桑试验。
- The causes of death of low instar larva are contribute d to the high temperature and the prey of natural enemy, and the adult is mainly died of the infection of Beauveria. 低龄幼虫的死亡原因主要为高温引起的自然死亡和天敌的捕食,而成虫则主要为白僵菌感染致死。
- The livability of different instar larva of M. sexmaculatus was significantly different, from the first instar larva to pupa, the livability was 74.29%, 92.41%, 94.52%, 97.83%and 85.93%, respectively. 六斑月瓢虫各虫态的存活率差异显著,六斑月瓢虫卵的孵化率为90.;5%25,其1龄、2龄、3龄、4龄和蛹的存活率分别为74
- Influence of low temperature treatment with the 3rd instar larva on the larval duration and economic characters of silkworm,Bombyx mori L. 与相似的文献。
- silkworm stage at the fifth instar 大蚕期
- Bioassay of JDS-CPV was conducted on the 3rd instar and 5th instar larvae of pine caterpillar D. punctatus. 应用日本赤松毛虫质型多角体病毒(以下简称JDS-CPV)对马尾松毛虫第一代3龄和5龄幼虫进行了生物测定。
- Although early instar larvae were present in the host larval hemocoel, only one parasitoid survived to come out of host larva for pupation, killing the larva in the process. 当多只早龄幼虫同时出现于寄主幼虫的血腔中时,只有一只拟寄生者能成功地脱离寄主发育成蛹,过程中会杀死其他寄生幼虫。
- The groth models of the 5th instar larvae of Bombyx mori were established by using Richards equation in the paper . 作者采用目前可塑性较强、准确性较高的Richards方程来描述家蚕5龄幼虫的体重增长情况,并建立了家蚕5龄幼虫及5龄不同性别幼虫的Richards生长模型。
- N. formosa could attack all instar larvae and oviposited on the second and third instar larvae of vegetable leafminer . 在三个龄期寄主共存时,攻击和寄生选择系数始终是三龄大于二龄,二龄大于一龄。
- The final instar larvae of trimolters and tetramolters of silkworm appeared similar in their growth and body weight and showed similar feed efficiency. 三眠蚕末龄与四眠蚕末龄的生长规律比较相似,三眠蚕末龄与四眠蚕末龄体重饲料效率变化有相似倾向;
- Objective The bioactivity of twelve novel pyridine ring derivatives of podophyllotoxin were tested against 3rd instar larvae of Culex pipiens pallens. 摘要目的研究新型吡啶类鬼臼毒素衍生物对3龄淡色库蚊幼虫的的毒杀活性。
- C. pentheus could attack the second and the third instar larvae but only oviposited on the third instar larvae of vegetable leafminer. 2底比斯釉姬小蜂能够攻击二、三龄美洲斑潜蝇幼虫,但仅选择三龄幼虫产卵,对一龄幼虫没有作用。
- The results showed that the newly hatched larvae preferred to feeding on glandless cotton and the 3rd instar larvae to feeding on heart leaves of corn. 结果表明:初孵幼虫嗜食无毒棉棉叶,3龄幼虫则喜食玉米心叶。5龄幼虫在甜玉米上的取食次数最多,取食总时间最长,在有毒棉上的取食时间最短。