10 ENGLISH BOOKS RELATING TO «PHOTONASTY»
Discover the use of
photonasty in the following bibliographical selection. Books relating to
photonasty and brief extracts from same to provide context of its use in English literature.
1
Principles of Plant Physiology
Thus we have the phenomena of photonasty, thermonasty, hydronasty,
haptonasty, seismonasty and chcmonasty, according as the stimulus is produced
by light, temperature, water, contact, shock or chemical substances. As with tropic
...
2
Study Packge For Ntse-Viii 1E
Bending of growing shoot towards sunlight is called (a) heliotropism (b)
hydrotropism (c) photonasty (d) phototropism 34. Clinostat is the apparatus,
which is used to (a) measure growth of stem (b) eliminate the effect of gravity
causing ...
3
The Medicinal Uses of Cannabis and Cannabinoids
Photonastism or photonasty is a growth response to light that is not directly
correlated to the direction of that light. Well-known examples of this are the
closing of daisy flowers and clover leaves as evening approaches. During the
earlier growth ...
Geoffrey William Guy, Brian Anthony Whittle, Philip Robson, 2004
4
Plant Tropisms: And Other Growth Movements
This results from turgor changes in the pulvinar cells at the conjunction of the
three leaflets, and since it is simply a response to light intensity and not light
direction, it is termed photonasty (Pfeffer 1906). A more subtle effect of light on
leaf turgor ...
5
Plants and Microclimate: A Quantitative Approach to ...
Photonasty. Examples of photonastic phenomena include the opening or closing
of flowers with a change in the general level of irradiance, and the nyctinastic '
sleep movements' of leaves that fold up ...
6
Climate and Agriculture in China
Generally, the photonasty and thermonasty can be divided in China into 9 levels
as shown in Table 5.1 . Table 5.1. Photonasty and thermonasty of rice varieties
Formation of the photonasty and thermonasty is related to the ecoclimatic ...
7
Competition Science Vision
... (B) Photonasty (C) Phototropism (D) Nyctinastic 43. A pome fruit is said to be
false because — (A) Pericarp is inconspicuous (B) Endocarp is cartilaginous (C)
Fruit -is present in edible fleshy thalamus (D) It is formed from inferior ovary 44.
8
Modern Plant Physiology
Light stimulus »- Non-directional periodic •^ Directional Non-directional
Developmental / \ / non-periodic ^\^^ (photoperiodism) Developmental Non-
developmental Developmental "*" Energy transducing (phototropism) (
photonasty) ...
9
Krishna's Objective Question Bank in Biology
Beding of stem towards light is due to (1) Phototropism (2) Photonasty (3)
Heliotropism (4) Hydrotropism (AFMC 1990) 74. The leaflat of Oxalis exhibit
which type of movement ? (1) Phototropism (2) Nyctinasty (3) Hyponasty (4)
Circumnutation ...
N Saxena, S Sharma, S Sharma
10
Cmplt Biology For Medical Ent Exams
The nastic movements are divided into photonasty, thermonasty, hydronasty,
haptonasty, chemonasty and seismonasty, according to the factors involved, (i)
Photonasty - Leaves of oxa- lis take up horizontal position in sunlight and droop
down ...
NEWS ITEMS WHICH INCLUDE THE TERM «PHOTONASTY»
Find out what the national and international press are talking about and how the term
photonasty is used in the context of the following news items.
Alamosa Flowers: Why do tulips close at night?
Dandelions, lilies, and cacti are known to respond to photonasty and will close at night whether it's cold or warm. Sources differ as to whether ... «Valley Courier, Apr 12»
