salt stress of plants
Environmental Adaptations and Stress Tolerance of Plants in the Era of Climate Change pptx
Ngày tải lên :
14/03/2014, 10:20
...
potential of plants as crops in a CO
2
rich world can be assessed.
Keywords
Abiotic stress • Antioxidants • Osmolytes • Oxidative stress
Environmental Adaptations
and Stress Tolerance of Plants ... than 50% of some major crops. Ion imbalance and osmotic stress is the
primary effect of abiotic stress. Prolonged exposure to primary stress causes
secondary stress through the generation of reactive ... juncea L.) plants subjected to com-
bined effect of gibberellic acid and salinity. Arch
Agron Soil Sci 56:575–588
Ahmad P, Sharma S (2008) Salt stress and phyto-
biochemical responses of plants. ...
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Tài liệu Plant physiology - Chapter 4 Water Balance of Plants docx
Ngày tải lên :
20/02/2014, 01:20
... determines much
of the structure of land plants: (1) an extensive root system
Water Balance of Plants 63
Outside air
(relative humidity = 50%)
Leaf internal air space
Cell wall of mesophyll
(at ... tension of water (7.28 × 10
–8
MPa m)
and r is the radius of curvature of the air–water interface.
The value of Y
p
in soil water can become quite negative
because the radius of curvature of air–water ... commonplace in plants, neces-
sitating a host of adaptive responses that modify the phys-
iology and development of plants.
Web Material
Web Topics
4.1 Irrigation
A discussion of some widely...
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The Algorithmic Beauty of Plants (The Virtual Laboratory) potx
Ngày tải lên :
15/03/2014, 13:20
... Parametric2L-systems 43
1.10.3 Turtle interpretation of parametric words . . . . . 46
2 Modeling of trees 51
3 Developmental models of herbaceous plants 63
3.1 Levels of model specification . . . . . . . . . ... shown in Figure 1.28. The field consistsFlower field
of four rows and four columns of plants. All plants are generated by a
stochastic modification of the L-system used to generate Figure 1.26.
4 Chapter ... wider class of IL-systems,also
called (k,l)-systems. In a (k,l)-system, the left context is a word of
length k and the right context is a word of length l.
In order to keep specifications of L-systems...
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Báo cáo khoa học: Cellular response to unfolded proteins in the endoplasmic reticulum of plants pptx
Ngày tải lên :
16/03/2014, 11:20
... phosphorylation of eIF2a (Ser51) and
attenuation of translation has not been confirmed dur-
ing ER stress [49]. Mammalian P58
IPK
is an inhibitor
of PERK [180] which is induced at a later phase of
ER stress ... because
of mutations or unbalanced ratios of subunits of hetero-oligomeric pro-
teins, unfolded or misfolded proteins accumulate in the ER in an event
called ER stress. As ER stress often disturbs ... Because deletion of P58
IPK
increases the amount
of phosphorylated eIF2a in the cell [58], it is thought
to function as a feedback regulator of translation in
the later phase of ER stress. In Arabidopsis,...
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THE NAMES OF PLANTS potx
Ngày tải lên :
18/03/2014, 19:20
... largely
because of the popularity of his sexual system, this was to be the case. Botany could
now contend with the rapidly increasing number of species of plants being
The Names of Plants
10
to ... quantities of fresh water on the plants during long sea voyages, as well as
giving protection from salt spray. In the confusion which resulted from the naming
of this flood of plants, and the use of many ... small area. It is a feature of plants that their diversity – of
habit, longevity, mode of reproduction and tolerance of environmental conditions –
presents a wide range of biologically different...
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TOPIC : STRESS OF STUDENT
Ngày tải lên :
19/04/2014, 21:51
... of stress
4. Causes of stress
5. Solutions
III. Conclusions
1
all . Beside the negative impact ,stress is the same salt, it make the life is more
poetic. In this discussion, we research stress of ... ,affect and the
cope to stress of student.
II. Contents
1. What is stress?
There are many concepts of stress :
-Walter Cannon (1927) was the first to introduce the concept of stress.
According ... nội dung:
+Linh: start, conlusion, what is stress?
+Trần Thị Phương:causes of stress in school
+Lụa: signs and symptoms of stress
+Son: effects of stress
+Thu Phương, Huyền: solutions
- Nhận...
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the genetic manipulation of plants
Ngày tải lên :
20/04/2014, 14:26
... Tokyo.
28 • SEEDS OF CONCERN
SEEDS OF CONCERN
THE GENETIC MANIPULATION OF PLANTS
David R Murray
UNSW
PRESS
… the most frequent application of genetic engineering to
plants, that of conferring herbicide-resistance, ... requirements
of new legislation governing pesticide use. Herbicide tolerance is high-
ly qualified because of the frailties of the plants at certain stages of
THE HAZARDS OF
HERBICIDE–RESISTANT
PLANTS
3
The ... slices of still-living (unfixed)
plant material, Wilhelm Hofmeister observed the details of pollen
grain germination, pollen tube growth and fertilization in representa-
tives of 19 families of flowering...
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unsw press seeds of concern the genetic manipulation of plants
Ngày tải lên :
24/04/2014, 14:00
... requirements
of new legislation governing pesticide use. Herbicide tolerance is high-
ly qualified because of the frailties of the plants at certain stages of
THE HAZARDS OF
HERBICIDE–RESISTANT
PLANTS
3
SEEDS ... Bombardment
was carried out after incubation of sliced pieces of callus in the pres-
ence or absence of nicotinamide. The main aim of the study was to
produce wheat plants with nuclear male sterility, ... engineering’, which for plants can
be considered as ‘any nonconventional method of genetic manipula-
tion dealing with the transfer of genes between plants and from other
organisms to plants .
17
Another...
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Báo cáo hóa học: " STEM nanoanalysis of Au/Pt/Ti-Si3N4 interfacial defects and reactions during local stress of SiGe HBTs" pdf
Ngày tải lên :
20/06/2014, 22:20
... the presence of initial defects introduced during
technological processes play a major role in the acceleration of degradation mechanisms of the structure during
stress. A combination of energy-filtered ... field
effects, different stress conditions have been applied.
The stress procedure consists of a near-field disturbance
system which includes equipment used for generation of
the electromagnetic ... electromagnetic field stress could
reach high levels at angled areas or sharp corners [18].
The importance of the electrical and thermal states of
Figure 4 STEM-HAADF micrograph and EDS analysis of the emitter...
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ABIOTIC STRESS IN PLANTS – MECHANISMS AND ADAPTATIONS pptx
Ngày tải lên :
28/06/2014, 08:20
...
Abiotic Stress in Plants – Mechanisms and Adaptations
26
role in the response of plants to abiotic stresses functioning as toxic by-products of stress
metabolism, as well ... improve stress tolerance (Shinozaki & Yamaguchi-Shinozaki,
2000).
4. Salt tolerance
The mechanisms of genetic control of salt tolerance in plants have not yet fully understood
because of its ...
4.1 Osmotic tolerance
The growth of salt- stressed plants is mostly limited by the osmotic effect of salinity,
irrespective of their capacity to exclude salt, that results in reduced growth...
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THE ROOT SYSTEMS OF PLANTS pptx
Ngày tải lên :
29/06/2014, 15:20
... lengths of all the roots,
of one wheat plant was about 268 feet, and that the total length of
the roots of one plant of rye was about 385 feet. King, of
Wisconsin, estimates that in one of his ...
THE ROOT SYSTEMS OF PLANTS
The great depth and high fertility of the soils of arid and semiarid
regions have made possible the profitable production of agricultural
plants under a ... or two of
laborious experiment conducted about 1867, added the lengths of all
the fine roots from each of various plants. He found that the total
length of roots, that is, the sum of the lengths...
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THE DISEASES OF PLANTS ppsx
Ngày tải lên :
29/06/2014, 15:20
... trial in a portion of your field this year and watch carefully for
results. Make an estimate of the cost of treatment and of the profits. How does the
scab injure the value of the potato? The ... how.
Many of the yellowish or discolored spots on leaves are the result of disease, as is
also the smut of wheat, corn, and oats, the blight of the pear, and the wilt of cotton.
Many of these ... that some of them were probably blown about
when you made your sowing. When you touch the moldy portion of a dry lemon,
you see a cloud of dust rise. This dust is made of millions of spores....
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