Results 291 to 300 of about 7,338,723 (323)
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Changes in the structure of ovary tissues and in the ultrastructure of mesocarp cells during ovary senescence or fruit development induced by plant growth substances in Pisum sativum

, 1991
Structural changes of tissues in unpollinated ovaries of Pisum sativum L. cv. Alaska after treatment with different plant growth substances (gibberellic acid, 2,4-dichlorophenoxyacetic acid, and 6-benzyladenine) or decapitation of the plant were studied.
Yolanda Vercher, J. Carbonell
semanticscholar   +1 more source

Growth-Regulating Substances as Herbicides

Botanical Gazette, 1947
1. On the basis of the records of many experiments which demonstrated the relative toxicity of some of the growth-regulating substances and the differential sensitivity shown by plants in relation to them, the suggestion was made that greater attention be directed toward more critical study of these effects and their possible significance to ...
J. W. Mitchell, E. J. Kraus
openaire   +2 more sources

NATURAL GROWTH SUBSTANCES IN CONCORD AND CONCORD SEEDLESS GRAPES IN RELATION TO BERRY DEVELOPMENT

, 1960
NITsC, J. P., C. PRATT, C. NITSCH, and N. J. SHAULIS (Cornell U., Ithaca, N. Y.) Natural growth substances in Concord and Concord Seedless grapes in relation to berry development. Amer. Jour. Bot. 47(7): 566-576. Illus. 1960.-A comparative study was made
J. Nitsch   +3 more
semanticscholar   +1 more source

Understanding the Control of Plant Development and the Role of Growth Substances

, 1986
The control of development is often viewed as a simple process which can be approached experimentally in an equally simple fashion. However metabolism, cells, tissues and indeed whole plants form networks with a great density of connections.
A. Trewavas
semanticscholar   +1 more source

Growth-Inhibiting and Growth-Stimulating Substances

Botanical Gazette, 1924
When pots containing fertile soils are seeded to wheat or barley for continuous seasons, and successive short period crops of four to six weeks' growth are removed from such soils, it is found that the first crop is usually the largest, the immediately succeeding crops are much smaller, but some of the latter crops may be larger than some of the ...
openaire   +2 more sources

Plant Growth Substances

Soil Science, 1941
and W J Robbins, V Kavanagh
openaire   +4 more sources

Perfluoroalkyl and polyfluoroalkyl substances and human fetal growth: A systematic review

Critical Reviews in Toxicology, 2015
C. Bach   +5 more
semanticscholar   +1 more source

A "Growth Substance"

Science, 1935
Roger J. Williams, Bert E. Christensen
openaire   +3 more sources

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