E. G. Groenewald

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A few aspects of the physiology of flowering in photoperiodic sensitive plants

E. G. Groenewald, A. J. van der Westhuizen, 2003 .

Enkele aspekte van die fisiologie van blomvorming by fotoperiodies sensitiewe plante

E. G. Groenewald, A. J. Van der Westhuizen, E. Groenewald, 2003 .

Non-leguminous seed plants in Southern Africa which fix nitrogen symbiotically

E. G. Groenewald, N. Grobbelaar, J. Strauss, 1971, Plant and Soil.

Nitrogen fixation by nodulated species of Pavetta and Psychotria

E. G. Groenewald, N. Grobbelaar, 1974 .

Extraction of polyphenols and hydrolysis of birdproof sorghum starch

E. G. Groenewald, J. Eloff, J. Kock, 1985 .

Prostaglandins and related substances in plants

E. G. Groenewald, A. J. Westhuizen, 1997, The Botanical Review.

The metabolism of inhibitor of flowering and prostaglandin biosynthesis, acetylsalicylic acid, in Pharbitis nil cotyledons

E. G. Groenewald, A. J. van der Westhuizen, 1998, Biologia Plantarum.

The flowering stimulus and possible involvement of prostaglandins in the flowering of Pharbitis nil

E. G. Groenewald, A. J. Westhuizen, 2001 .

The Effect of Arachidonic Acid, Prostaglandins and Inhibitors of Prostaglandin Synthetase, on the Flowering of Excised Pharbitis nil Shoot Apices under Different Photoperiods

E. G. Groenewald, J. Visser, 1978 .

Callus formation and subsequent plant regeneration from seed tissue of an Agave species (Agavaceae)

E. G. Groenewald, D. Wessels, A. Koeleman, 1977 .

Callus Formation and Subsequent Shoot and Root Development from Leaf Tissue of Haworthia planifolia var. cf. var. setulifera v. Poelln

E. G. Groenewald, D. Wessels, A. Koeleman, 1976 .

Callus Formation and Plant Regeneration From Seed Tissue of Aloe pretoriensis Pole Evans

E. G. Groenewald, D. Wessels, A. Koeleman, 1975 .

The Effect of Various Lipids on Flowering of Pharbitis nil in in vitro Culture

E. G. Groenewald, A. J. van der Westhuizen, E. G. Groenewald, 2004, Biologia Plantarum.

The effect of applied arachidonic acid on the formation of prostaglandins in plantlets from excised apices of the short-day plant, Pharbitis nil

E. G. Groenewald, P. Hare, A. J. Westhuizen, 2004 .

The production of gibberellin-like substances by Colletotrichum gloeosporioides associated with lupin anthracnose

E. G. Groenewald, S. H. Koch, W. Swart, 2004 .

Some qualities and fractionation of a nuclease from cotyledons of germinating Phaseolus vulgaris.

E. G. Groenewald, A. J. Westhuizen, P. Henning, 1990 .

The occurrence of prostaglandin F2α in procaryotic organisms

E. G. Groenewald, G. Krüger, P. Botes, 1990 .

The occurrence of prostaglandin (PG) F2α in Pharbitis nil seedlings grown under short days or long days

E. G. Groenewald, J. Visser, N. Grobbelaar, 1983 .

Root formation and attempts to establish morphogenesis in callus tissues of beans (Phaseolus vulgaris L.).

E. G. Groenewald, A. J. Westhuizen, 1990 .

The possible use of phenolic acids in the chemotaxonomy of the genus Sarcocaulon

E. G. Groenewald, H. Venter, R. Verhoeven, 1986 .

Further studies on the use of phenolic acids in the chemotaxonomy of the genus Sarcocaulon

E. G. Groenewald, H. Venter, R. Verhoeven, 1989 .

Effect of duration of liquefaction on viscosity and polyphenol content of the mash and subsequent glucose recovery in bird‐proof sorghum

E. G. Groenewald, J. Kock, G. Krüger, 1986 .

Prostaglandin F2alpha and gamma-Linolenic Acid in Oenothera stricta.

E. G. Groenewald, P. Botes, A. J. van der Westhuizen, 1994, Planta Medica.

The effect of certain inhibitors of prostaglandin biosynthesis on flowering of Pharbitis nil

E. G. Groenewald, J. Visser, 1974 .