نتایج جستجو برای: growth retardants

تعداد نتایج: 819826  

2010
Joseph DiGangi Arlene Blum Åke Bergman Cynthia A. de Wit Donald Lucas David Mortimer Arnold Schecter Martin Scheringer Susan D. Shaw Thomas F. Webster

Editorial The statement is signed by the individual scientists and other professionals listed separately below. Please note that the views expressed are those of the authors and signatories; institutional affili­ ations are provided for identification purposes only. Abbreviations and an Annotated Statement are available as Supplemental Material (doi:10.1289/ehp.1003089). We, scientists from a v...

Journal: :Journal of Solid State Chemistry 2022

To modulate the rate of hydration calcium sulfate hemihydrate (HH) to dihydrate for industrial applications, additives (both accelerants and retardants) are added HH. Here we explore in detail kinetics mechanism HH presence accelerators K 2 SO 4 or ZnSO , also when a retardant (citric acid tartaric acid) is added. Retardants tend lower maximum temperature reaction increase time needed reach 50%...

Journal: :Indian Journal of Agricultural Sciences 2022

A field experiment was conducted during kharif 2015-17 to study the efficacy of growth retardants on physiology and yield pearl millet at Durgapura (Jaipur). Growth retardants, viz. cycocel mepiquat chloride were sprayed @ 250, 500 750 ppm tillering (40 DAS) flowering (60 stages. The laid out in randomized block design with 4 replications. Results showed that plant height decreased, whereas chl...

2013
M. Ashraful Islam Henrik Lütken Sissel Haugslien Dag-Ragnar Blystad Sissel Torre Jakub Rolcik Søren K. Rasmussen Jorunn E. Olsen Jihong Liu Clarke

Euphorbia pulcherrima, poinsettia, is a non-food and non-feed vegetatively propagated ornamental plant. Appropriate plant height is one of the most important traits in poinsettia production and is commonly achieved by application of chemical growth retardants. To produce compact poinsettia plants with desirable height and reduce the utilization of growth retardants, the Arabidopsis SHORT INTERN...

2009
P. H. Rolfs

In general, lodging has been controlled by restricting nitrogen fertilizer application and/or using short cultivars. Growth retardants can also be used to solve this problem.The objective of this study was to evaluate the effect of rates and application times of three growth retardants on Pioneiro wheat cultivar. The trial was carried out in Viçosa-MG, from May to September 2005, in a factorial...

2010
E. F. Botany Mohamed

The current study was carried out to evaluate the effect of some growth retardants such as alar, ethrel, cycocel and paclobutrazol with different concentrations (50, 100, 150 and 200 ppm.) on maize dwarf mosaic virus (MDMV) in vitro and in vivo. In vitro experiment, growth retardants reduced the occurrence of mosaic symptoms on maize plants. These percentages were reduced to 40%. Paclobutrazol ...

In order to evaluate the role of paclobutrazol (PBZ) and prohexadione-calcium (ProCa) in reduction of vegetative growth and improvement of reproductive growth of strawberry (cultivar Paros), a 4-replicate completely randomized design was carried out in greenhouse. ProCa in three concentrations of 0, 100 and 150 mg L-1 and PBZ in four concentrations of 0, 60, 90 and 120 mg L-1 were sprayed on th...

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