The effect of cytokinins and other plant hormones on the growth of cotyledonary axilars of flax (Lin - دانلود رایگان

تاثیر سیتوکینین ها و دیگر هورمون های گیاهی بر رشد محوری لپه ای درخت کتان(لینیوم یوزیتاتیسیمیوم)، آفتابگردان(هلیانتیوس آنیوس) و لوبیا(پیسیوم ستیوم)

چکیده:
جوانه های درخت کتان بالای لپه ها جدا می شوند. پس از اینکه یک لپه جدا شد، رشد غنچه لپه باقیمانده در 90 درصد گیاهان قوی تر می شود. با این حال، استفاده از بنزیل آدنین سیتوکینین (BA) برای غنچه لپه حذف شده باعث ایجاد رشد معکوس وابسته بهم می شود. در مقابل، غنچه ها که دارای لپه های روینده بر روی خاک و مشابه درخت کتان هستند، پس از جدا شدن و حذف یک لپه، رشد محوری لپه حذف شده در 59 درصد گیاهان شدت بیشتری دارد. استفاده از BA برای لپه باقیمانده آفتابگردان منجر به رشد بیشتر محوری این لپه می شود. هنگامی که هر دو لپه بر روی جوانه قرار می گیرند، BA بکار گرفته شده برای یکی از این لپه های جدا شده گیاهان کتان منجر به تحریک بسیار معنادار رشد محوری این لپه می شود. با این حال، در آفتابگردان تاثیر BA معنادار نبود. پس از جداسازی ساقه جوانه های لوبیا، هر دو لپه باقی می مانند و جوانه های رویده شده فرعی رشد می کنند اما پس از دوره زمانی خاص یکی از آنها(نوع غالب) از لحاظ رشد نسبت به نوع دیگر(نوع بازدارنده شده) رشد بیشتری پیدا کرد. مطالعه حاضر بر این موضوع تمرکز کرده است که آیا استفاده از هورمون گیاهی بر جوانه بازدارنده شده می تواند باعث رشد معکوس وابسته به هم شود(یعنی جوانه بازدارنده شده در نوع غالب تغییر کند). استفاده از 12/0 درصد BA می تواند باعث چنین رشد معکوسی در تمام گیاهان شود و این درصورتی است که تفاوت اولیه در طول بین جوانه های رویده شده فرعی بازدارنده شده و غالب 24-12 میلی متر می باشد. تراکم یا غلظت 12-0 تا 5/0-0 درصدی ژیبرلین باعث رشد معکوس در 75-13 درصد گیاهان می شود، اما درصورتی این تاثیر ایجاد

The

effect

of

cytokinins

and

other

plant

hormones

on

the

growth

of

cotyledonary

axilars

of

flax

(Lin

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پاورپوینت

فایل فلش

کارآموزی

گزارش تخصصی

اقدام پژوهی

درس پژوهی

جزوه

خلاصه

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Other changes included increased phytic acid levels and phytohormone organization patterns. These results suggest the importance of PtdIns‐PLC2 as an elicitor of a battery of events that systematically control hormone regulation, and plant growth and development in what may be a …

Cytokinins - Plant Growth Regulators | Sigma-Aldrich

Cytokinins in the intact plant are the phytohormones that work from the bottom up. Made in the roots (also seeds and fruits), cytokinins travel up the xylem and promote lateral growth. Since auxins travel down from the growing tip and act to suppress lateral growth, these two types of hormones strike a balance.

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Ganapathi TR, Nataraja K (1993) Effect of auxins and cytokinins on plant regeneration from hypocotyls and cotyledons of niger (Guizotia abyssinica). Biol Plant 35:209–215 CrossRef Google Scholar Gangopadhyay G, Poddar R, Gupta S (1998) Micropropagation of sesame ( Sesamum indicum L.) by in vitro multiple shoot production from nodal explants.

Plant Growth Regulators III : Gibberellins, Ethylene ...

Martin-Tanguy J., Martin C., Paynot M. & Rossin N. 1988 Effect of hormone treatment on growth bud formation and free amine and hydroxycinamoil putrescine levels in leaf explant of Nicotiana tabacum cultivated in vitro. Plant Physiol. 88, 600–604. PubMed Google Scholar

Poster Abstracts - PDF Free Download

Effects of Pretreatments and Hormone Regime on Green Plant Production in Barley Isolated Microspore Culture Patricio Esteves. Universite Laval, Departement de Phytologie Pavillon Paul-Comtois 2425, rue de l’Agriculture Bureau 3223 Universite Laval Quebec (Quebec) G1V 0A6, Canada.

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Kilikova S, Šebánek J, Vlašic T (2004) The effect of cytokinins and other plant hormones on the growth of cotyledonary axilars of flax (Linum usitatissimum), sunflower (Helianthus annuus)and pea (Pisumsativum). Plant Soil Envir 50(4):182–187 CrossRef Google Scholar

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Plant growth regulators viz., auxins, cytokinins and gibberellins help in plant growth and development. In present study, fluorescent Pseudomonas strains isolated from rhizospheric soil from temperate fruit zone of Himachal Pradesh were investigated for plant growth regulator production i.e. auxins, gibberellins and cytokinins in nutrient broth.

Issue | Plant, Soil and Environment

The effect of cytokinins and other plant hormones on the growth of cotyledonary axilars of flax (Linum usitatissimum), sunflower (Helianthus annuus) and pea (Pisum sativum) Š. Klíčová, J. Šebánek, T. Vlašic. Plant Soil Environ., 50 (2004): 182-187 abstract download PDF.

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Martin-Tanguy J., Martin C., Paynot M. & Rossin N. 1988 Effect of hormone treatment on growth bud formation and free amine and hydroxycinamoil putrescine levels in leaf explant of Nicotiana tabacum cultivated in vitro. Plant Physiol. 88, 600–604. PubMed Google Scholar

(PDF) Plant Growth Regulators II: Cytokinins, their ...

Plant Growth Regulators II: Cytokinins, ... At the same time the effect of a hormone on any developmental process depends on the species. ... effective than other cytokinins for shoot proliferation.

Cytokinins - Plant Growth Regulators | Sigma-Aldrich

Cytokinins in the intact plant are the phytohormones that work from the bottom up. Made in the roots (also seeds and fruits), cytokinins travel up the xylem and promote lateral growth. Since auxins travel down from the growing tip and act to suppress lateral growth, these two types of hormones strike a balance.

Most Popular Article - IJAEB

Plant growth regulators viz., auxins, cytokinins and gibberellins help in plant growth and development. In present study, fluorescent Pseudomonas strains isolated from rhizospheric soil from temperate fruit zone of Himachal Pradesh were investigated for plant growth regulator production i.e. auxins, gibberellins and cytokinins in nutrient broth.

Issue | Plant, Soil and Environment

The effect of cytokinins and other plant hormones on the growth of cotyledonary axilars of flax (Linum usitatissimum), sunflower (Helianthus annuus) and pea (Pisum sativum) Š. Klíčová, J. Šebánek, T. Vlašic. Plant Soil Environ., 50 (2004): 182-187 abstract download PDF.

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27/01/2020 · The level of response in plant growth parameters cannot be explained by the amount of mineral nutrients in commercial preparations (Crouch and Van Staden, 1993) and it is likely due, in part, to plant growth regulators such as cytokinins, auxins, abscisic acid, gibberellins, brassinosteroids and similar compounds; bioactive compounds such as phloroglucinol and eckol; other low molecular …

Chickpea ( Cicer arietinum L.) Cytogenetics, Genetic ...

Kilikova S, Šebánek J, Vlašic T (2004) The effect of cytokinins and other plant hormones on the growth of cotyledonary axilars of flax (Linum usitatissimum), sunflower (Helianthus annuus)and pea (Pisumsativum). Plant Soil Envir 50(4):182–187 CrossRef Google Scholar

Efficacy of organic amendments used in …

27/01/2020 · The level of response in plant growth parameters cannot be explained by the amount of mineral nutrients in commercial preparations (Crouch and Van Staden, 1993) and it is likely due, in part, to plant growth regulators such as cytokinins, auxins, abscisic acid, gibberellins, brassinosteroids and similar compounds; bioactive compounds such as phloroglucinol and eckol; other low molecular …

Neglected Oil Crop Biotechnology | SpringerLink

Ganapathi TR, Nataraja K (1993) Effect of auxins and cytokinins on plant regeneration from hypocotyls and cotyledons of niger (Guizotia abyssinica). Biol Plant 35:209–215 CrossRef Google Scholar Gangopadhyay G, Poddar R, Gupta S (1998) Micropropagation of sesame ( Sesamum indicum L.) by in vitro multiple shoot production from nodal explants.

Issue | Plant, Soil and Environment

The effect of cytokinins and other plant hormones on the growth of cotyledonary axilars of flax (Linum usitatissimum), sunflower (Helianthus annuus) and pea (Pisum sativum) Š. Klíčová, J. Šebánek, T. Vlašic. Plant Soil Environ., 50 (2004): 182-187 abstract download PDF.

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The Plant Hormone Cytokinin Confers Protection …

22/12/2016 · It has been extensively used as growth promoting hormone in plant tissue culture systems [1, 2] but the potential effects of kinetin on human health are still under research. Some studies reported an effect of kinetin on human disorders or diseases [5–8].

Issue | Plant, Soil and Environment

The effect of cytokinins and other plant hormones on the growth of cotyledonary axilars of flax (Linum usitatissimum), sunflower (Helianthus annuus) and pea (Pisum sativum) Š. Klíčová, J. Šebánek, T. Vlašic. Plant Soil Environ., 50 (2004): 182-187 abstract download PDF.

The Plant Hormone Cytokinin Confers Protection …

22/12/2016 · It has been extensively used as growth promoting hormone in plant tissue culture systems [1, 2] but the potential effects of kinetin on human health are still under research. Some studies reported an effect of kinetin on human disorders or diseases [5–8].