根的生长

Objective:To analyse the form and accumulation of the volatile oil from Asarum heterotropoides Fr.var.mandshuricumMaxim.

目的：分析不同生长发育期北细辛中挥发油的形成和积累，以确定北细辛根的最佳采收期。

The growth characters, the activities of antioxidant enzymes, including superoxide dismutase, catalase and guaiacol peroxidase, and peroxidase isozyme of the were measured.

测定了不同辐照剂量下新生根状茎的生长，研究了辐照原初根状茎愈创木酚过氧化物酶、过氧化氢酶和超氧化物歧化酶等抗氧化酶活性以及过氧化物酶同工酶谱的影响。

Based on the investigation of pseudobulbs horizontal elongation and growth of nobile type dendrobium, the effects of growth regulators such as GA3, 6-BA on the floral bud differentiation were studied.

摘 要：调查了春石斛假鳞茎封顶和增粗的生长情况，并以不同浓度6-BA、GA3溶液进行灌根处理，观测其对花芽分化的效应。

According to analysis of salt tolerance indexes, it was obtained that salt inhibited seed germination and seedling growth along with the increase of salt concentration, the relative germination rate, germination index and relative simple activity index, seedling root length and plant height reduced gradually, membrane permeability of leaves increased.

结果表明，盐胁迫对燕麦种子萌发和幼苗的生长有抑制效应，而且随着盐浓度的增加，相对发芽率、发芽指数、简易活力指数、幼苗根长和株高逐渐降低，叶片质膜透性逐渐增加。

Based on the study, we conclude that glomalin is an important indicator for arbuscular mycorrhizal hyphal growth and variations in soil ecosystem.

建议把球囊霉素作为研究丛枝菌根真菌生长状况和土壤生态系统波动的一个重要指标。

The results showed that the extracting liquor of Rhytidium rugosum, Rhytidiadelphus squarrosus, Anomodon minor subsp. Integerrimus, Racomitrium japonicum and Conocephalum conicum have obviously promotive effect on the growth of the main radicle and germ of Zea mays. The extracting liquor of seven species of bryophytes all have restrictive effects on the increasing number of the lateral roots.

结果显示：垂枝藓、粗枝拟垂枝藓、牛舌藓扁枝亚种、东亚砂藓和蛇苔明显促进了玉米主胚根和胚芽的生长。7种苔藓植物配子体水提液均表现出抑制玉米侧根数增加。

Treatment A was better than CK in quantity of new roots, rate of radication and survival, besides, it showed a preferable effect on promotion of root growth.

处理A除生根数量、成活率和生根率高于对照外，表现出了较好的促进根长生长效果。

Our results also indicate that cooling or heating the root system would be useful for improving shoot growth at supraoptimal or suboptimal temperatures.

结果说明在高温或低温生产季节可以通过降低或增加根际温度来改进地上部的生长状况。

The pattern of the secondary growth of the soybean root is similar to that of most dicots.

大豆根次生生长的类型和多数双子叶植物相似。

NaCl inhibited seedling and radicles growth.

NaCl抑制罗布麻幼苗生长，对胚根的抑制性尤甚。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。