Absorption, Distribution, and Destruction of Indoleacetic Acid in Plum Stem Cuttings
نویسندگان
چکیده
منابع مشابه
Destruction of indoleacetic acid. IV. Kinetics of enzymic oxidation.
Kinetics of enzymic oxidation of indoleacetic acid (ISA) are interpreted as indicating that the reaction has an autocatalytic, cyclical mechanism invol\-ing unst,ablc intermcdiatcs whose formation and disappearance are important in determining the over-all reaction rate. The kinetics do not supporl the idea that IAA oxidation occurs mainly by reaction with Mnt3, nor that the reaction is an elec...
متن کاملcoordination of protective schemes in distribution and subtransmission systems including distributed generation
نصب منابع پراکنده در سیستم های توزیع و فوق توزیع علاوه بر مزیت های فراوان، مشکلاتی را هم به همراه دارد. یکی از این مشکلات تأثیر این منابع روی اندازه جریان های اتصال کوتاه است. به طور معمول از حفاظت های مبتنی بر اصل جریان زیاد در سیستم های توزیع و فوق توزیع استفاده می شود. از مهمترین طرح های حفاظتی استفاده شده در فیدرهای توزیع، حفاظت فیوز- ریکلوزر است. همچنین از طرح های حفاظتی جریان زیاد جهتی در...
Transient Effects of Indoleacetic Acid on the Absorption and Utilization of Radioactive Acetate by Pea Stem Slices.
When pea stem slices are pretreated in a solution of unlabeled potassium acetate and IAA then exposed briefly to radioactive acetate the incorporation of radioactivity into various cellular constituents is less than that for slices pretreatecl in potassium acetate only (5). As the length of the pretreatment period is extended the apparent inhibition becomes progressively greater. This inhibitio...
متن کاملEffects of Calcium, Indoleacetic Acid & Distance From Stem Apex on Potassium & Rubidium Absorption by Excised Segments of Etiolated Pea Epicotyl.
The enhancing effect of Ca on K uptake by excised roots has been known for some time (25) and has been referred to as the Viets effect; however, whether or not such an enhancement occurs in stem tissue has not been established. Indoleacetic acid (IAA) may enhance Rb uptake by stem segments (11) and this effect in Jerusalem artichoke tuber tissue has been attributed to an increase in capacity of...
متن کاملon the equivalence of constructed-response and multiple-choice : stem-equivalent, stem non-equivalent but content equivalent, and stem and content non-equivalent items in reading comprehension using multifaceted rasch
the present study investigated construct equivalence of multiple choice (mc) and constructed response (cr) item types across stem and content equivalent mc and cr items (item type ‘a’), non-stem-equivalent but content equivalent mc and cr items (item type ‘b’), and non-stem and non-content equivalent mc and cr items (item type ‘c’). one hundred seventy english-major undergraduates completed mc ...
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ژورنال
عنوان ژورنال: Plant Physiology
سال: 1960
ISSN: 0032-0889,1532-2548
DOI: 10.1104/pp.35.4.435