苗木

千年桐育苗技术与苗木生长规律初步研究

Preliminary study on the seedling-raising techniques and nursery stock ′ s growth rhythm of Aleurites montana

园林工程建设苗木的政府采购园林工程施工管理的探讨

Government Purchasing of Nursery Stock in Landscape Engineering Probe into the Construction Management of the Landscape Engineering

通常在实践上的好方法是在出圃栽植前挑出最弱的苗木。

It is usually good practice to cull the poorest prior to field planting .

脱脂程度（C）和播种后覆盖处理（D）会影响苗木出苗整齐度。

The degrease contents ( C ) and the coverage after planting ( D ) can also influence the trimness .

研讨了影响泡桐苗木CO2交换的部分内外因素。

In this paper some internal and external factors affecting paulownia seedlingCO_2 exchange are studied .

NaCl处理对苗木及其生理指标的影响

The Effect of NaCl Treatment on Trees Physiological Index

根据生长期间的棒子形态指标的动态测定，对苗高和地径进行了年生长规律回归模拟，R在0.9以上，因而可用所得的回归模拟方程对苗木生长进行预测。

According to dynamic measuration of morphological indexes , regression simulation of yearly growing rule was done on seedling height and diameter .

N肥可以促进苗木快速生长，但对于苗高的控制和增加根冠比不利。

N could accelerate the growth of seedlings , but harm to the control of height and the increase of root to shoot ratio .

m-2苗木生长与N、P、K供应呈多元线性回归关系。

The growth of seedlings and supply of N , P , K were multivariate linear regression relation ships .

苗期接种VA菌根菌可提高菌根感染率，促进苗木生长。

Inoculation with VA mycorrhizal fungi significantly increased mycorrhizal infection and enhanced seedling growth .

补光苗木的IAA、ABA和可溶性蛋白含量变化均无规律，而后期均低于对照。

The plant hormones such as endogenous IAA , ABA and soluble protein content hadn 't varied regularly during investigation .

在PEG胁迫下，6种促根处理蒙古栎苗木的净光合速率随时间变化趋势相似，均呈双峰曲线。

The trend of photosynthetic rate under six promoting seedlings root method on Q. mongolica is similar , which is showed a bimodal curve .

在仁用杏苗木生长初期各部位Zn含量均较高，而且锌主要积累于根系组织，速生期后各部位间Zn含量相对趋于平衡，叶中含量相对偏高。

The contents of Zn in different organ were all relatively high , mainly concentrated in root tissue , and it live up to a relative balance in rapid growth period ;

以高等数学的有关理论，通过Logistic方程对加拿大杨、紫穗槐、刺槐、沙棘等4种苗木的生长规律进行了模拟研究，并对速生期进行重点分析。

The growth regulation of nursery stocks of four tree species , Canadian poplar , Amorpha , Black locust , Sar-buckthorn , were simulated with logistic equation and their quick-growing period were analyzed .

以台湾桤木Alnusformosana引种2年生苗木为研究对象，探讨了台湾桤木的光合生理生态特性。

The photosynthetic physio-ecological characteristics of two-years-old seedlings of introduced Alnus formosana were studied in this paper .

有效磷含量与pH值呈明显负相关，表明pH值下降导致闭蓄态磷活化，促进了2a苗木的生长。

Differed from 1 a seedlings , the decrease of pH activated the occluded phosphorus and led to the increase of AP , which was good for the growth of the 2 a seedlings .

初步建立了茎尖培养快速繁殖COLt苗木的技术程序，为实际应用开辟了新途径。

The technical process of rapid propagation with stem tip was primary established and explored a new pathway for practical application .

而经-8℃处理72h以及-15℃处理48h和72h的苗木绝大多数冻死。

While the great majority of seedlings were freezed to death under - 8 ℃ for 72 hours and - 15 ℃ for 48 and 72 hours .

苗木不耐寒，在－4℃自然低温时，1a生苗寒害率达30%，需采取防寒措施。

The 1 year old seedlings freezing damage rate was 30 % when the low temperature was - 4 ℃ in field . Therefore the winter protection measures was necessity .

切根后苗木的净光合速率（Pn）与对照间存在一定差异，这与主根切断比例有关，刺槐切断1／3处理与切断1／2处理间净光合速率（Pn）差异显著。

After the main root was cut , there is the certain difference of the photosynthetic rate ( Pn ) with the comparison . That is related to the proportion of the main root which are cut .

在甜柿建园中，通过ABT生根粉，SAP高效抗旱保水剂和地膜覆盖技术的应用，可显著提高造林成活率和苗木生长量；

By applied with ABT rootage powder , high efficiently anti-drought protectors and covered with plastic film in setting up Sweet Persimmon orchard , surviving rate and growth yield of forestation increase remarkably .

土壤水分胁迫引起针叶CAT和POD的活性的规律性变化。（4）不同土壤含水量对脂松苗木针叶渗透调节物质含量有显著影响（p0.05）。

Soil water stress caused regular variation of the activities of CAT and POD in needlings . ( 4 ) The different soil moisture treatments had significant influence on the contents of osmoregulation substances in red pine seedling needlings ( p0.05 ) .

当裸根晾晒超过8d，主、侧根绝对含水率低于65%时，50%的苗木死亡，50%的苗干干枯。

When naked root was baked over 8 days and root water content was below 65 % , half of the stock died out .

试验研究盐分胁迫对林木种子发芽率的影响结果表明，NaCl和NaCl+KCl2种盐分对林木种子发芽率和苗木生长均有一定抑制作用；

The effect of salinity stress on the germination rate of tree seed show that the two kinds of salts ( NaCl and NaCl + KCl ) both have harmful influence on the seed germination as well as seedling growth .

苗木栽植第2年开始开花结果，5年生平均产量15246kg／hm2。

The trees began to bear in the 2nd year after planted , and the yield reached 15246kg / hm2 in the 5th year .

菌根真菌通过促进苗木快速累积游离脯氨酸，提高SOD酶活性，减缓干旱对细胞膜的破坏，延缓了植物受伤害的速度，提高连翘幼苗的抗旱性；

It indicated that mycorrhizal fungi can strengthen the anti-drought of the seeding by cumulating rapidly free proline and enhancing quickly the activity of SOD , deferring the harmful degree of cell membranes , strengthening the drought resistance of the seeding in the stress of drought .

结果表明：在干旱胁迫条件下，随着菌根侵染率的提高，连翘幼苗叶绿素和脯氨酸含量增加，SOD活性增强，丙二醛含量和膜透性降低，苗木枯死率下降。

The results showed the content of chlorophyl and free proline were increased , the activity of SOD was enhanced , MDA and damage of membranes were decreased and the rate of seedling death was reduced with the adding of infection rate when F. suspensa suffered from drought .

将低能量的N+离子注入2个桑树品系的冬芽，对发生变异的M1代苗木单芽嫁接，M2代部分桑苗形态性状生物学性状以及桑叶过氧化物酶同工酶酶谱均产生了变化。

The winter buds of two mulberry strains were induced by N + ion implantation . A few of M 1 and M 2 plants showed evident mutations in the traits such as length of sprout and section , leaf characters , and sprouting process .

选用40～80cm高的苗木，株行距规格可为4m×4m，在抚育期内应注意清除藻类及残次林木等。

The seedlings should be 40 - 80 cm high , and the space of plantation should be 4 m x 4 m. During the tending period , alga and unnecessary woods should be cleared away .

通过测定不同土壤水分条件下，3a生盆栽刺楸苗木的气体交换参数及其周围环境因子，探讨土壤水分及微气候因子对光合速率、蒸腾速率、气孔导度等气体交换参数的影响规律。

Gas exchange parameters in leaves of three-year-old Kalopanax septemlobus Koidz were studied under different soil water conditions and microclimate factors , in order to explore the effects of soil water stress and microclimate factors on the gas exchange parameters .