scholarly journals Effect of desiccation on the root system of Norway spruce (Picea abies [L.] Karst.) seedlings and a possibility of using hydrogel STOCKOSORB® for its protection

2012 ◽  
Vol 49 (No. 11) ◽  
pp. 531-536 ◽  
Author(s):  
M. Sarvaš
Keyword(s):  
Picea Abies ◽  
Root System ◽  
Norway Spruce ◽  
Electrolyte Leakage ◽  
Vegetation Period ◽  
The Other ◽  
Other Hand ◽  
Physiological Quality ◽  
Root Collar

The aims of this study were: 1. to determine the effect of dexiccation treatment on the physiological quality of Norway spruce (Picea abies [L.] Karst.) seedlings by measurements of electrolyte leakage from the root system; b) to test the use of hydrogl STOCKOSORB<sup>&reg;</sup> for protection of the root system of spruce seedlings during their transplanting. The results showed that desiccation treatment significantly affected the rate of electrolyte leakage (34% leakage for control seedlings and 53% in contrast with seedlings after 5 hours of desiccation). Likewise, significant differences were found in height and root collar increments after the first vegetation period that decreased with the duration of desiccation treatment. The values of electrolyte leakage also increased with the duration of desiccation treatment for seedlings treated with hydrogel. On the other hand, the rate of electrolyte leakage was lower after 5 hours of stress factor than in untreated seedlings. The height and root collar increments were higher in seedlings treated with hydrogel for all variants. The obtained results showed a possibility of using the measurement of electrolyte leakage from the root system to determine the physiological quality of Norway spruce seedlings. The rate of electrolyte leakage over 40% signals the physiological damage to the root system of spruce seedlings. Next, the results confirmed the need of protection of seedling roots during handling. The seedlings without hydrogel had 35% height and 26% root collar diameter increment after two-hour desiccation stress. On the other hand, the same seedlings with STOCKOSORB had 42% height and 48% root collar increment.

scholarly journals Determination of effects of desiccation and frost stresses on the physiological quality of Norway spruce (Picea abies [L.] Karst.) seedlings by measurement of electrolyte leakage from the root system

2002 ◽  
Vol 48 (8) ◽  
pp. 366-371
Author(s):  
M. Sarvaš ◽  
Keyword(s):  
Picea Abies ◽  
Root System ◽  
Norway Spruce ◽  
Electrolyte Leakage ◽  
Height Increment ◽  
Stress Treatment ◽  
Physiological Quality ◽  
Frost Stress

Two-year, bare-rooted seedlings of Norway spruce (Picea abies [L.] Karst.) were used in this study. The seedlings were exposed to artificial desiccation and frost stress after spring lifting. After exposure to these factors, electrolyte leakage from the root system was measured. The results showed that artificial desiccation significantly affected the rate of electrolyte leakage. The effect of desiccation was confirmed by the survival of plants and height increment (100% survival and 49% height increment of control seedlings in contrast with plants after 6 hours of desiccation: 9% survival and 2% height increment). On the other hand, frost stress did not affect the rate of electrolyte leakage (the rate of REL did not correlate with the intensity of stress treatment).

scholarly journals Comparison of morphological and physiological parameters of the planting material of Norway spruce (Picea abies [L.] Karst.) from intensive nursery technologies with current bareroot plants

2009 ◽  
Vol 55 (No. 11) ◽  
pp. 511-517 ◽  
Author(s):  
J. Leugner ◽  
A. Jurásek ◽  
J. Martincová
Keyword(s):  
Picea Abies ◽  
Norway Spruce ◽  
Nutrient Content ◽  
Planting Material ◽  
Physiological Quality ◽  
Collar Diameter ◽  
Essential Prerequisite ◽  
Root Collar ◽  
System Volume

High quality of planting material is an essential prerequisite for successful artificial forest regeneration. We carried out a detailed investigation aimed at differences between plantable bareroot and container plants of Norway spruce (<I>Picea abies</I> [L.] Karst.). Based on the results of this experiment, there exist marked differences in basic morphological traits between bareroot plants and plugs. The largest differences were observed in root collar diameter and root system volume. Differences in physiological quality (nutrient content, function of assimilatory organs) were also great. The results document that container seedlings of Norway spruce produced by intensive technology in controlled conditions of plastic greenhouses have very good predispositions for successful growth in difficult mountain conditions.

scholarly journals Change of cold hardiness in bare-rooted Norway spruce planting stock during autumn and its effect on survival

2012 ◽  
Vol 49 (No. 3) ◽  
pp. 133-139 ◽  
Author(s):  
M. Sarvaš
Keyword(s):  
Picea Abies ◽  
Norway Spruce ◽  
Electrolyte Leakage ◽  
Cold Hardiness ◽  
The Other ◽  
Planting Stock ◽  
Significant Difference ◽  
Root Electrolyte Leakage ◽  
First Results ◽  
Frost Stress

The objective of this study was to test a method of measurements of electrolyte leakage for determining an optimal autumn lifting date. The second objective was to obtain information about the effects of different autumn lifting dates on survival of Norway spruce (Picea abies [L.] Karst.) plants. A significant difference was found between lifting dates for the values of root electrolyte leakage (REL) from unstressed plants, but without clear tendency. The values of electrolyte leakage from shoots (SEL) were very stable (11&ndash;13%). On the other hand, the electrolyte leakage from roots (REL) decreased in dependence on different lifting date after artificial frost stress. On the first lifting date (end of September) the REL values were 77%. On the last lifting date (8 November) the REL values were 56%. The same tendency was found for SEL values (decrease from 63% at the end of September to 17% on 8 November). Differences were also found in the survival of plants. The plants lifted on earlier dates had nearly 100% mortality, which decreased with later date of lifting. The results of this study showed that cold hardiness of planting stock increased during autumn and was higher for shoots than for roots. The first results showed that it is possible to optimize the autumn lifting date of spruce planting stock by measurements of electrolyte leakage from shoots after artificial frost test. &nbsp; &nbsp;

EFEK PENAMBAHAN EKSTRAK AIR JAHE (Zingiber officinale Roscoe) DAN PENYIMPANAN DINGIN TERHADAP MUTU SENSORI IKAN TUNA (Thunnus albacores)

2010 ◽  
Vol 6 (1) ◽  
pp. 36
Author(s):  
Silvana Dinaintang Harikedua
Keyword(s):  
Sensory Quality ◽  
Zingiber Officinale ◽  
The Other ◽  
Ginger Extract ◽  
Other Hand ◽  
Storage Treatment ◽  
Zingiber Officinale Roscoe ◽  
Hedonic Scale ◽  
And Storage

The objective of this study was to investigate the effect of ginger extract addition and refrigerate storage on sensory quality of Tuna through panelist’s perception. Panelists (n=30) evaluated samples for overall appearance and flavor attribute using hedonic scale 1–7. The sample which is more acceptable by panelists on flavor attributes having 3% gingers extract and storage for 3 days. The less acceptable sample on flavor attribute having 0% ginger extract and storage for 9 days. On the other hand, the sample which is more acceptable by panelists on overall appearance having 0% ginger extract without storage treatment. The less acceptable sample on overall appearance having 3% ginger extract and storage for 9 days.

John Conrad Hansen (1869–1952) and his scientific illustrations

2018 ◽  
Vol 45 (2) ◽  
pp. 233-244 ◽  
Author(s):  
Paul D. Brinkman
Keyword(s):  
Natural History ◽  
Representative Sample ◽  
Scientific Literature ◽  
The Other ◽  
Field Museum ◽  
Oil Paintings ◽  
Other Hand

Over the course of his 14-year career at Chicago's Field Museum of Natural History, artist and engraver John Conrad Hansen rendered hundreds of beautiful and accurate scientific illustrations of animals – mostly extinct fossil vertebrates. His principal media were oil paintings, pencil, pen-and-ink and wash drawings. Many of his illustrations have been published in the scientific literature. His oil paintings, on the other hand, were made for display alongside specimens in the Field Museum's exhibits. Despite the quality of Hansen's full-colour reconstructions, few of them have been seen outside the Museum. A small, representative sample of his work is reproduced here, along with a brief account of his troubled life and career.

German Children's Behavior Towards Their Mothers at 12 Months and Their Fathers at 18 Months in Ainsworth's Strange Situation

1981 ◽  
Vol 4 (2) ◽  
pp. 157-181 ◽  
Author(s):  
Klaus E. Grossmann ◽  
Karin Grossmann ◽  
Franz Huber ◽  
Ulrike Wartner
Keyword(s):  
Point Of View ◽  
The Other ◽  
Strange Situation ◽  
Attachment Relationship ◽  
Children's Behavior ◽  
Other Hand ◽  
Ainsworth's Strange Situation

Fourty-nine 12 months old children and their mothers were videotaped in Ainsworth's Strange Situation. Fourty-six of them were videotaped again in the same situation at 18 months with their fathers. Quality of attachment was determined by using Ainsworth's criteria. Fewer children had 'secure' relationships to their parents than in comparable U.S. samples. There was no correlation between infant-mother and infant-father quality of attachment relationship. The results are discussed in terms of parental attempts to cope with cultural demands imposed on them. These specific cultural demands may frequently interfere with the establishment of a securely attached relationship. On the other hand, they may be only transitory and appropriate from an adaptation to culture-specific expectancies point of view.

scholarly journals The recertification of the professional accounting qualification in Estonia: the requirements and quality of CPD

2017 ◽  
pp. 113-0
Author(s):  
Kaidi Kallaste ◽  
Jaan Alver
Keyword(s):  
Labour Market ◽  
Professional Training ◽  
The Other ◽  
Professional Qualification ◽  
Other Hand ◽  
Set Up ◽  
Alternative Solutions

The recertification of the professional accounting qualification in Estonia: the requirements and quality of CPD As the purpose of a professional qualification should be to ensure quality to employers/customers, appro-priate requirements for professional training should not be too low. On the other hand, too high require-ments for the amount of training would lead to the situation where maintaining the level is expensive and if the labour market does not consider having a professional certificate necessary, recertification will be discarded. The purpose of the research was to identify the factors that influence an accountant’s decision whether to recertify his/her professional qualification or not. The conditions of recertification were ana-lysed and compared to other countries as were the requirements set up for auditors. The results of the survey revealed that in Estonia the decision not to recertify one’s professional qualification was mainly due to not having fulfilled the required number of qualification hours or not having certificates proving one’s participation in qualification training sessions. At the same time, compared to other countries, the requirements in Estonia are very low. So that the increase in the amount of training would not hinder recertification, alternative solutions for Estonia are proposed in the article.

scholarly journals Analisis Sifat Fisik dan Kimia Yogurt Yang Menggunakan Starter Lactobacillus bulgaricus Dengan Persentase Yang Berbeda

2001 ◽  
Vol 2 (2) ◽  
pp. 22-25
Author(s):  
Yusdar Zakaria
Keyword(s):  
Crude Protein ◽  
Titratable Acidity ◽  
The Other ◽  
Lactobacillus Bulgaricus ◽  
Know How ◽  
Other Hand

ABSTRACT.  A study of pyisical properties and quality of yogurt with Lactobacillus bulgaricus as a starter has been doon. Objectives of this study is to know how many percent starter of L. bulgaricus in yogurt to decrease suscepetibility to syneresis and to increase quality of yogurt. Yogurt was analyzed for susceptibility to syineresis, titratable acidity and content of crude protein and crude fat. Syinerisis of yogurt was evaluated according to centrifugal methods of Halwarkar and Kalab. The result of the study showed that yogurt with 2.5-10 % L. bulgaricus as a starter are not have any effect of susceptibility to synerisis and content of crude fat, but centripuged at 250-1000 rpm. Had significantly different (0.01) on susceptibility to synerisis. On the other hand the increasing of centrifuge rotation, increase susceptibility to synerisis. The starter of 5-10% L. bulgaricus used in yogurt able to increase titratable acidity and content of crude protein. The yogurt prepared by 10% L. bulgaricus had the highest score (3.88%) of crude protein, although there is no significant differences with yogurt using 7.5% L. bulgaricus.

scholarly journals Drifting towards Ambiguity: A Closer Look at Palatalisation in L2 Irish

2018 ◽  
Vol 8 ◽  
pp. 55-69
Author(s):  
Marina Snesareva ◽  
Keyword(s):  
Second Language ◽  
First Language ◽  
The Other ◽  
Good Knowledge ◽  
Front Vowel ◽  
Other Hand ◽  
Everyday Communication ◽  
At Home

This article focuses on palatalisation in the Irish spoken by Dublin-based bilinguals for whom English is their first language. All informants had a good knowledge of both Irish and English; however, Irish was their second language, used less frequently in everyday communication. Most Dubliners start learning Irish at school; only a few informants had the opportunity to speak it at home, but even then the language was not used outside class on a regular basis. The study showed that most deviations in the distribution of palatalised and non-palatalised consonants in the speech of Dublin bilinguals were of the palatalisation absence type. Such deviations were especially frequent next to back and mid-back vowels. On the other hand, a palatalised consonant was often pronounced instead of a non-palatalised one next to a front vowel. Previous research suggests that these tendencies also apply in weak positions (Snesareva 2014a; 2014b). Consequently, even though in traditional Irish dialects palatalisation is not position-bound, in the speech of Dublin bilinguals there is correlation between the palatalisation of a consonant and the quality of its neighbouring vowel. However, such consonant distribution was not encountered in all contexts: even those informants whose speech had deviations used palatalisation properly in some contexts. This means that position-bound use of palatalisation is still a tendency rather than an entrenched feature of Dublin Irish.

scholarly journals AIR QUALITY MONITORING OF KALABAHI-ALOR’S SEAPORT-EAST OF NUSA TENGGARA

2019 ◽  
Vol 3 (2) ◽  
pp. 130-133
Author(s):  
Rikson Siburian ◽  
Minsyahril Bukit ◽  
Herlince Sihotang ◽  
Saur Lumban Raja ◽  
Minto Supeno ◽  
...  
Keyword(s):  
Air Quality ◽  
Government Regulation ◽  
The Other ◽  
Quality Monitoring ◽  
Air Quality Monitoring ◽  
Other Hand ◽  
The People ◽  
The Government

Evaluation of environment of seaport is needed as well as our responsibility to nature sustainability. The Alor’s seaport belongs to Pelindo III. In order to know the air quality of Alor’s seaport, we did this study. Our aims are to know level quality of air at Alor’s seaport and compare to the government regulation. This study refers to Pararosaniline (SOx), Saltzman (NOx), Particle Calculation (dust) and decibel (noisy) methods. We used four locations, those are A-1 (Entrance gate of PELINDO (8013’09.12”S, 124031’07.21”E)); A-2 (In front of passengers terminal (8013’08.75”S, 124031’01.60”E)); A-3 (Exit  gate Kalabahi’s seaport (8013’08.2”S, 124031’00.87”E)) and A-4 (In front of port of the people (8011’09.12”S, 124031’07.21”E)). Results show that the averages level of SOx, NOx and dust of A-1, A-2 and A-3 are 103.01, 104.65 and 107.47 (µg/Nm3), 37.87, 30.62, and 39.73 (µg/Nm3), 56.64, 47.47 and 50.72 (µg/Nm), respectively. On the other hand, the level of noisy of A-1, A-2, A-3 and A-4 are 68.76, 65.69, 65.20 and 73.60 (dBA), respectively. Base on all of data, we conclude that the air quality of Alor’s seaport is still appropriate according to government regulation (PP. No. 4, 1999).

Sign in / Sign up

Export Citation Format

Share Document