幼期

记载了亚洲玉米螟Ostriniafurnacalis（Guenee）在永德地区1995年的季节变化情况。利用黑光灯和性诱剂诱捕成虫，利用田间调查得到幼期数据。

Seasonal development of the Asian corn borer , Ostrinia furnacalis ( Guenee ), was investigated in Yongde County in 1995 . Adult ACB moth flight was observed using blacklight and pheromone traps and immature stages were observed by field investigation .

硬蜱幼期感器的扫描电镜研究

Studies on the receptors of the tick immature stages by scanning electron microscopy

营养和幼期密度对棉铃虫飞翔能力的影响

Effects of food quality and larval density on flight capacity of cotton bollworm

黑胸散白蚁幼期不同品级的发育和分化

Development and differentiation of various castes in the immature stage of Reticulitermes chinensis

幼期存活率在26℃左右最高；

The survival rate of the immature stage was highest under about 26 ℃ .

中国沙棘对国外引种乔木幼期生长的促进作用

Promoting Function of Seabuckthorn on the Growth of Introduced Foreign Arbor Trees in Young Growth Period

三带喙库蚊幼期相对取样密度和绝对密度关系的研究

Studies on the relationship between dipper sample counts and absolute densities of immature stages of Culex tritaeniorhynchus

成虫期长于幼期的昆虫实验种群生殖力表参数估计模型的改进

Improvement upon the parameter estimation models of the fecundity table of insect experimental population when adult period longer than that of larva

蝴蝶、形虫是具有蛹时期的完全变态昆虫，蟋蟀、节虫是幼期跟成虫相似的不完全变态昆虫。

Butterflies and stag beetles are complete metamorphosis insects with pupa stage ; crickets and walkingsticks are incomplete metamorphosis insects whose juveniles are similar to adults .

结果表明幼期阶段短光照处理与成蚊滞育的发生没有明显的关系，该蚊对临界光周期的敏感虫期为新羽化的成蚊。

The results showed that the short photoperiod of larval stages was not related to diapause of adults , and the newly emerged females were in the life stage sensitive to diapause induction .

本文报告了印鼠客蚤在用人工离体方法养殖中，幼虫密度及饲科厚度对幼期成长和成蚤质量影响的有关结果。

This paper reports some results of the influences of larva density and fodder thickness on the larva growth and the adult quality of Oriental rat flea , reared by artificial method in vitro .

寄主植物不同，烟粉虱幼期存活率、成虫寿命和生育力差异较明显，而对其生长发育影响不大。

The survivorship of egg and immature , longevity and reproduction of adult were significantly correlated to the species of the host plant , but the development duration of immature was scarcely influenced by the hosts .

孵化期将近30天，巢内育雏期43～45天，巢外育幼期50天左右，繁殖周期从巢址选择到幼鸟独立生活至少150天。

The hatching period almost lasted 30 days , and breeding period 43-45 days in nest and 50 days outsides or so . The breeding cycle is 150 days at least from choosing nest site to young independence .

鉴于较差的营养条件和较高的幼期密度并不导致成虫飞翔能力的增加，本文认为，棉铃虫的远距离运动是成虫对羽化阶段不良环境的行为反应。

Since the flight capacities of moths were not improved by poor food and high density in larval stage , it was suggested that the long-distance movement of cotton bollworm is an important behavioral response of adults to other disadvantageous environmental factors .

2003年5月至12月在浙江省新昌县新益生物科技有限公司中国林蛙养殖中心进行中国林蛙（Ranachensinensis）幼蛙期的饵料选择研究。

From May to December on 2003 , a diet selection research was taken in the Rana chensinensis culture center of Zhejiang xinchang Xin-yi biological science and technology Ltd.

红光标准化值与叶绿素仪SPAD读数相比能更好地表征水稻幼穗期的氮素营养状况，与常规测试指标的相关系数介于0.541～0.780之间。

Compared with SPAD readings , the normalized redness intensity ( NRI ), with a high rvalue of0.541-0.780 with conventional N parameters , could better express the N status of rice .

结论：彩色多普勒超声照射30min以上可引起中孕胎鼠心肌细胞凋亡，但这种影响在幼仔期消失。

CONCLUSION : Continuous irradiation over 30 minutes by CDUS may result in myocardium cell apoptosis in fetal rats , but this phenomenon will disappear after birth .

幼螨期仅3对足。

Barely three pairs of leg in larva .

抗高温能力较强，胚胎的最适温度是37℃；幼蛛期是35℃。

The most favourable temperatures are37 C in the embryonic stage and35 ℃ in the spiderlings stage .

原胚期约30天，幼胚期约40天，成熟胚期约60天；

The development phase of proembryo was about 30 days , young embryo 40 days and mature embryo 60 days .

2.120龄是青梅幼态期，2080龄或更大是青年期。

The juvenile phase of Vatica hainanensis is age between one and twenty , juvenescent phase between twenty and eighty or more .

这些结果显示，从笋期到幼竹期，母株对慈竹克隆后代的贡献越来越小。

These results indicates that the contribution of mother ramet to clonal offspring becomes less and less from new shoot stage to younger bamboo stage .

巫毒黄蜂将卵产在幼生期的尺蠖毛虫体内，孵化出的黄蜂幼虫以宿主的体液为食。

Voodoo wasps lay their eggs inside the bodies of young geometrid caterpillars . The larvae inside the caterpillars survive by feeding on the bodily fluids of their host .

2004年岑溪市晚稻大面积稻发生穗包颈主要原因是由于播种偏迟，幼穗分化期遇高温干旱，抽穗时又持续3d的低温伤害。

The incomplete panicle exertion occurred over large area in late cropping rice in Cenxi city was caused due to later sowing time , emergency of high temperature in young panicle differentiation stage and three days low temperature during heading stage .

水稻幼穗分化期叶片含氮量与穗粒数呈正相关关系（P0.01），与成穗率呈显著负相关，这可能是导致农民习惯施肥成穗率低的原因之一。

There was a significant negative correlation between leaf nitrogen content during panicle initiation period and spike rate , which was one of the reasons that led to the low spike rate in FFP treatment .

同时，以体长相对增长率、产幼前发育期、每胎产幼数、产幼间隔及内禀增长率（rm）为指标，观察了氨对蒙古裸腹氵蚤生长、生殖的影响。

The chronic toxicity of ammonia to the relative growth rate in length , developmental time before reproduction , young numbers at a birth , interval time between each production and the intrinsic rate of increase ( r m ) of M. mongolica were also studied .

单位面积高的有效穗数为基于产量选择组高产奠定了基础。（3）不同基因型组之间水稻幼穗分化期LAI和CGR无显著差异。

So , higher effective tiller number was the fundamental to higher yield in yield-based selection compared with that in trait-based selection . ( 3 ) There was no significant difference in LAI and CGR among the four genotypic groups at the panicle initiation stage .

晚稻全株幼穗分化期的序列性

The sequence character of the spike differentiation period in a late rice plant

幼穗分化期硅在茎、叶中的分配比例接近，抽穗期硅主要分配在茎中，茎＞叶＞穗。

The Stage At ripening stage , Si was mainly distributed in panicle .

随后迅速下降，至幼穗形成期下降速率减缓。

By the time of young ear formation the decreasing rate was slowed down .