منابع مشابه
Plant Growth Regulators
Plant growth regulators are hormone-like chemicals that occur naturally in plants, and play a central role in their growth and development. Five major classes of plant growth regulators have been identified as plant hormones, but scientists believe that there are more waiting to be discovered. The five growth hormones include auxins, gibberellins, cytokinins, abscisic acid, and ethylene. Collec...
متن کاملPlant growth regulators ' effect on bermudagrass
• j ermudagrass is a popular turfgrass used on athletic fields • due to its aggressive summer growth habit, fine leaf texhue, and dark green color. However, if mowed infre• quently, excessive scalping and dipping production combine to decrease its aesthetic quality. Plant growth fl:'gulalors (PGRs) were introduced into the turf industry in the 1950's and since have been used in part to reduce m...
متن کاملEffect of Plant Growth Regulators on Rooting of Henna (Lawsonia Inermis L.)
Studies have shown that rooting substrate is one of the effective factors at rooting of hard rhizogenetic plant such as Henna. The purpose of this study is to determine an appropriate concentration of Naphthalene Acetic Acid (NAA), Indole Butyric Acid (IBA) and salicylic acid (SA) on Rooting of Henna. Present study showed that there was a great variation in most of the measured characters at P<...
متن کاملEffect of Antioxidants, Amino Acids and Plant Growth Regulators on in vitro Propagation of Rosa centifolia
Background: Rosa centifoliais commercially propagated by asexual means but in vitro propagation ensure the production of disease free and healthy plants and browning of explants creates hurdle in their multiplication. Objectives: The aim was to reduce oxidative browning of shoots of R. centifolia in MS medium during in vitro propagation. Materials and Methods: Axillary buds of R. centifolia we...
متن کاملA study of UV-C and plant growth regulators effects on plantlets of Aloe vera Line.
Background & Aim: Effects of ultra violet spectrum on plants due to their obligatory requirement for sunlight for survival are unavoidable. Direct effects of UV on plant growth and development are generally negative and usually they use many different defense mechanisms to acclimate and protect themselves. Material & Methods: The present research for the first time was conducted to investigate...
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ژورنال
عنوان ژورنال: Agricultural and Biological Chemistry
سال: 1966
ISSN: 0002-1369,1881-1280
DOI: 10.1271/bbb1961.30.1277