Results 21 to 30 of about 335 (141)

Rainfall intensity and Mepiquat Chloride persistence in cotton [PDF]

open access: yesScientia Agricola, 2007
In some regions where cotton is grown in Brazil rainfall amounts to about 2,000 mm per year, which imposes a great risk for Mepiquat Chloride (MP) to be washed from cotton leaves before being absorbed. The objective of this research was to evaluate the MC persistence when applied on cotton plants submitted to different rain intensities after spraying ...
Souza, Fábio Suano de   +1 more
openaire   +3 more sources

Modelling the structural response of cotton plants to mepiquat chloride and population density. [PDF]

open access: yesAnn Bot, 2014
Cotton (Gossypium hirsutum) has indeterminate growth. The growth regulator mepiquat chloride (MC) is used worldwide to restrict vegetative growth and promote boll formation and yield. The effects of MC are modulated by complex interactions with growing conditions (nutrients, weather) and plant population density, and as a result the effects on plant ...
Gu S   +8 more
europepmc   +4 more sources

Evaluation of Active Ingredients of Petroselinum Hortense L. and the Possibility to Use in the Applied Field [PDF]

open access: yesEngineering and Technology Journal, 2013
The experiments were conducted, to study the effect of 3 concentrations of each of indole butyric acid (25,50 or 100 ppm )and Mepiquat chloride (125,250 or 500 ppm ) on the active ingredients content of Petroselinum hortense L.The experiments were ...
Emad A. Matter
doaj   +1 more source

The optimization of crop response to climatic stress through modulation of plant stress response mechanisms. Opportunities for biostimulants and plant hormones to meet climate challenges. [PDF]

open access: yesNew Phytol
Summary This review discusses the use of agronomic management practices to enhance crop stress resilience to climate stress through the modulation of natural plant growth regulatory pathways. The use of biostimulants or plant hormones to improve crop resilience is subject to strict regulatory oversight if changes in the regulation of plant growth are ...
Li J   +4 more
europepmc   +2 more sources

The 2023 European Union report on pesticide residues in food. [PDF]

open access: yesEFSA J
Abstract Under European Union legislation (Article 32, Regulation (EC) No 396/2005), the European Food Safety Authority publishes an annual report assessing the pesticide residue levels in food. In 2023, as part of the EU‐coordinated multiannual control programme subset, 13,246 samples placed on the European market were analysed, with a 1.0% found to ...
European Food Safety Authority (EFSA)   +5 more
europepmc   +2 more sources

Scientific support for preparing an EU position in the 55th Session of the Codex Committee on Pesticide Residues (CCPR). [PDF]

open access: yesEFSA J
Abstract The European Commission asked EFSA to provide support in the framework of Article 43 of Regulation (EC) No 396/2005 for the preparation of the EU position for 55th Session of the Codex Committee on Pesticide Residues (CCPR). In the current report, EFSA provided comments and recommendations on the Codex maximum residue level (MRL) proposals ...
EFSA (European Food Safety Authority).
europepmc   +2 more sources

Physiological and biochemical characteristics of milk thistle (Silybum marianum (L.) Gaertn) as affected by some plant growth regulators. [PDF]

open access: yesFood Sci Nutr
A chromatogram diagram of HPLC related to the main phenolic compounds in seed extract under drought stress was shown. According to the results, the maximum of taxifolin with foliar application of brassinosteroid (1 μM) under 75% field capacity. Most silydianin was obtained by the application of spermidine in 75% field capacity.
Fanai S, Bakhshi D, Abbaszadeh B.
europepmc   +2 more sources

Plant growth regulation: a method for fine-tuning mepiquat chloride rates in cotton

open access: yesPesquisa Agropecuária Tropical, 2017
Plant growth regulator management has been a challenge for cotton growers, due to the increased weather instability and the adoption of early cultivars, in off-season crops.
Fábio Rafael Echer   +1 more
doaj   +1 more source

Evaluating the impacts of wide row upland cotton (Gossypium hirsutum L.) production in Georgia

open access: yesAgronomy Journal, Volume 115, Issue 6, Page 2867-2876, November/December 2023., 2023
Abstract Success stories of wide row cotton production have generated producer interest across the cotton belt. The objective of this study was to quantify the effect of row spacing on (1) cotton growth and development and (2) lint yield and fiber quality in Georgia.
Caitlyn B. Lawton   +8 more
wiley   +1 more source

EFEITO DO CLORETO DE MEPIQUAT E DO THIDIAZURON SOBRE ALGUMAS CARACTERÍSTICAS DAS SEMENTES DO ALGODOEIRO EFFECT OF MEPIQUAT CHLORIDE AND THIDIAZURON ON SOME CHARACTERISTICS OF COTTON SEED

open access: yesPesquisa Agropecuária Brasileira, 1999
Com o objetivo de avaliar o efeito de diferentes doses de cloreto de mepiquat (0, 50, 75, 100 e 125 g/ha) e de thidiazuron (0, 45, 60 e 75 g/ha) sobre as características fisiológicas de sementes de algodoeiro, foi conduzido, na UNESP, Jaboticabal, SP, um
FERNANDO MENDES LAMAS   +1 more
doaj   +1 more source

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