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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

Search results

Showing 1 to 7 of 7 (0.032 seconds)

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1

The relationship between soil N, P, K deficiencies and the reflected light for leaves as measured by spectrophotometer.

Mohajer-Milani, Parviz. January 1978 (has links)
No description available.
Soil mineralogy
Leaves -- Color
Spectrophotometer
2

The relationship between soil N, P, K deficiencies and the reflected light for leaves as measured by spectrophotometer.

Mohajer-Milani, Parviz. January 1978 (has links)
No description available.
Leaves -- Color
Spectrophotometer
Soil mineralogy
3

Leuko-antosianienbinders as beheermaatreël vir die voorkoming van bruinwording in Protealoofblare

Du Plessis, Dawid Gerhardus Cornelius 25 September 2014 (has links)
M.Sc. (Botany) / The purpose of this investigation was to determine the effects of various physical treatments (limitation of transpiring surface, removal of stem base and changing of vase water and different numbers of inflorescence per constant volume of vase water) on the browning of foliage and the rate of water absorption by Protea neriifolia in florescences. The binding capacity of lead acetate with flavonoids in vase media was also determined. The limitation of the number of leaves (transpiring surface) per peduncle resulted in less absorption of leached browning and stem plugging components. Regular removal of the stem base and changing of vase water inhibit stern blockage and accumulation of leached products in the vase medium. A large number of inflorescences in a limited volume of vase medium resulted in higher concentrations of leached flavonoids and other browning components. A reduced number of leaves per peduncle, regular removal of stern base and changing of vase water, as well as a limited number of inflorescences per constant volume of vase medium, ensured adequate continuous water uptake, which is essential to limit browning.
Proteaceae
Leaves - Color - Physiological aspects
Inflorescences
4

Die rol van chlorofillase by chlorofilafbouing tydens Protea neriifolia-loofblaarverbruining

Masie, William Edward 11 February 2014 (has links)
Ph.D. (Botany) / Please refer to full text to view abstract
Dicotyledones
Leaves - Color
Plant physiology
Chlorophyll
5

Primêre meganismes betrokke by die bruinwording van loofblare in Protea neriifolia

Mulder, P.W.A. 25 September 2014 (has links)
M.Sc. (Botany) / Please refer to full text to view abstract
Protea neriifolia
Leaves - Color - Physiological aspects
Tannins
6

Die rol van flavonoïede op die sensitiwiteit vir loofblaarverbruining by verskillende variante van Protea neriifolia R. Br.

Mulder, P.W.A. 11 February 2014 (has links)
Ph.D. / Please refer to full text to view abstract
Flavonoids
Foliar diagnosis
Leaves - Color
Protea neriifolia - Color
7

Fruiting strategies of the woody vine Parthenocissus quinquefolia

Pacey, Carol. January 1985 (has links)
Call number: LD2668 .T4 1985 P32 / Master of Science
Vitaceae--Propagation.
Seeds--Dispersal--Longitudinal studies.
Leaves--Color.
Masters theses

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