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2 edition of Effects of acid-related stress on the nodulation of white clover. found in the catalog.

Effects of acid-related stress on the nodulation of white clover.

Martin Wood

Effects of acid-related stress on the nodulation of white clover.

by Martin Wood

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Published .
Written in English


Edition Notes

Thesis (Ph.D.)--The Queen"s University of Belfast, 1982.

The Physical Object
Pagination1 v
ID Numbers
Open LibraryOL20223052M

  Cytokinin regulates many aspects of plant development, and in legume crops, this phytohormone is necessary and sufficient for symbiotic nodule organogenesis, allowing them to fix atmospheric nitrogen. To identify direct links between cytokinins and nodule organogenesis, we determined a consensus sequence bound in vitro by a transcription factor ([TF][1]) acting in cytokinin Cited by: Rahim, Z. H. and Khan, H. B. Comparative studies on the effect of crude aqueous (CA) and solvent (CM) extracts of clove on the cariogenic properties of Streptococcus mutans. J Oral Sci ;48(3.

Abstract. From a study of the effects of Ca ions on the nodulation of subterranean clover in flowing culture solutions it is concluded that root infection or nodule initiation has a higher Ca requirement than either nodule development or host plant growth in the presence of fixed by: Plant Relations in Pastures. nodulation nutrients occur particularly pasture perennial period phase plants populations potential Proc production proportion range ratio reduced relative response root season seed selection showed shown similar Siratro situations soil species stocking strain stress studies successful suggested supply swards.

Uses, Benefits, Cures, Side Effects, Nutrients in White Clover. List of various diseases cured by White Clover. How White Clover is effective for various diseases is listed in repertory format. Names of White Clover in various languages of the world are also given. Effects on white clover may be delayed until one of these properties becomes limiting in the total soil environment. Soil bulk density Bulk density values typically range between and g cm -3 depending on soil texture and state of compaction.


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Effects of acid-related stress on the nodulation of white clover by Martin Wood Download PDF EPUB FB2

Effects of acid-related stress on the nodulation of white clover. Author: Wood, M. ISNI: Awarding Body: Queen's University Current Institution: Queen's University Belfast Date of Award: Availability of Full Text: Full text unavailable from EThOS.

Auxin may have a positive effect on plants under drought stress. White clover is widely cultivated and often prone to water shortages. In the present study, we investigated the effects of exogenous indole − 3-acetic acid (IAA) on growth and physiological changes of white clover under drought stress condition.

The contents of endogenous IAA and other hormones including ABA, CTK, JA, GA, IAA. Background: Auxin may have a positive effect on plants under drought stress.

White clover is widely cultivated and often prone to water shortages. In the present study, we investigated the effects of exogenous indole −3-acetic acid (IAA) on growth and physiological changes of white clover under drought stress condition.

The contents. Salt stress initiates relatively smooth changes in gene expression in response to osmotic stress and a more pronounced change in expression of significant numbers of genes related to the ionic.

compared to white clover also included lower senescence, higher stolon density, increased root dry weight, and a higher maximum nodal root diameter.

Drought decreased the net photosynthetic rate by up to 48% in BC2 and white clover, but there was no significant effect on the BC1 generation. BC1 hybrids were therefore. New Zealand (Accepted 14 February ) Summaryive herbicides commonly used for suppression of weed growth in white clover seed crops were tested for toxicity to white clover (Trifolium repens), the nodule-forming bacteria Rhi:obium irifotii, and the nitrogen-fixing symbiosis of these by: males were also detected on the roots of clover.

The studies on the host-parasite relationships of nematode-feeding sites in white clover roots infected by these nematodes showed a high susceptible response.

Meloidogyne hapla and H. daverti infections were also observed on nitrogen-fixing root nodules of white clo. Effects of factors associated with soil acidity (low pH, low calcium, high aluminium and high manganese) on theTrifolium repens-Rhizobium trifolii symbiosis were investigted under laboratory conditions using an axenic solution-culture technique.

μM manganese increased root elongation in the range pH –, but had no effect on root hair formation, the number of Rhizobium in the rhizosphere, or nodule by:   To increase our insight into the above- and belowground N flows in grass and grass-clover swards relations between crop and soil parameters were studied in a cutting trial with perennial ryegrass (Lolium perenne) monocultures and ryegrass–white clover (Trifolium repens) mixtures.

The effects of clover cultivar on herbage yield, the amount of clover-derived nitrogen, apparent N Cited by: THE GROWTH OF, CLOVERS AT DIFFERENT LEVELS OF SOIL ACIDITY By A.

McNEUR, Ecologist, Grasslands Division, D.S.I.R., Palmerston North. The popular belief among many is that clovers will not grow in acid soils, and for this reason large quantities of lime are often used to make soil less acid in an attempt to increase clover theFile Size: KB.

Red clover (Trifolium pratense L.) is one of the most important plants in forage production, especially in northern areas. Fertilisation practices are focused on high yield and forage quality but effects of nutrients on nodulation and N 2 fixation are poorly understood. The aim of this work was to study how nitrogen (N) and phosphorus (P) separately as well as in combination affected by: Effects of sludge-borne heavy metals on plant growth, nodulation, and nitrogen (N2) fixation of alfalfa (Medicago sativa L.), white clover (Trifolium repens L.), and red clover (Trifolium pratense.

Nodulation and nitrogen fixation by arrowleaf clover: Effects of phosphorus and potassium Author links open overlay panel J.Q. Lynd E.A. Hanlon Jr G.V. Odell Jr Show moreCited by: Comparative study on physiological response characteristics of white clover to chloride salt and calcium‐magnesium acetate (CMA) deicing agents under freeze–thaw stress Wenjie Bian Key Laboratory of Groundwater Resources and Environment of the Ministry of Education, College of New Energy and Environment, Jilin University, Changchun, ChinaAuthor: Wenjie Bian, Guozhang Bao, Jiafen Liao, Qian Zhang, Weiwei Chen, Shimei Guan, Mengdan Zhu, Saning Zh.

Factors affecting growth and response of white clover in pots to applied phosphorus 1. Level of watering at which pots are maintained By C. SHERRELL AND W. SAUNDERS Ruakura Agricultural Research Centre, Ministry of Agriculture and Fisheries, P.B., Hamilton, New Zealand (Received 23 October ) ABSTRACT The effect of three levels of.

White clover plants were subjected to either a short-term developing water stress or long-term stable levels of water deficit on ‘water stress columns’. The short-term stress reduced plant water status to −20 MPa over 15 by: The effects of spatial location of white clover (Trifolium repens L.) within a perennial ryegrass (Lolium perenne L.)/white clover pasture on stolon and petiole extension were investigated in two experiments, where patch size containing white clover (05 m, 15 m and 4 m diameter), location within the patch (inside and edge) and cutting height (4 cm and 8 cm) were by:   Effects of white clover content in the diet on herbage intake, milk production and milk composition of New Zealand dairy cows housed indoors - Volume 65 Issue 3 - SHARON L.

HARRIS, MARTIN J. AULDIST, DAVID A. CLARK, ERNA B. JANSENCited by: Both symbiosis between legumes and rhizobia and nitrogen fixation in functional nodules are dramatically affected by salt stress.

Better understanding of the molecular mechanisms that regulate the salt tolerance of functional nodules is essential for genetic improvement of nitrogen fixation efficiency. microRNAs (miRNAs) have been implicated in stress responses in many plants and in symbiotic Cited by:   There may be other, less direct, environmental effects on nodulation due to low pH, such as the limitation of the amount of Nod factor excreted by the microsymbiont through the reduced availability of phosphate (McKay and Djordjevic, ).

Salt stress decreased the soybean root hair responses to Nod by:. Nonmotile mutants of Rhizobium trifolii were isolated to determine whether bacterial motility is required for the infection and nodulation of clover. The nonmotile mutants were screened for their ability to infect and nodulate clover seedlings in Fahraeus glass slide assemblies, plastic growth pouches, and vermiculite-sand-filled clay by: Key words: Gaseous pollutants, acid mist, white clover, critical levels, critical loads.

INTRODUCTION There have bee n numerous studies, under controlled conditions of fumigation, which have aimed to assess the effects of gaseous pollutants on vegetation. Most have considered the effects of Cited by: 6.Stress from drought and heat also can trigger seed set.

COMPARATIVE NOTES White and arrowleaf clovers have proved to be better self-reseeding clovers than subclover in the humid South because their seed is held in the air, giving them a better chance to harden.