plant hormone

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Related to Plant growth regulator: Plant hormones

plant hormone

any of several chemical substances produced in very low concentrations in plants, that control growth and development. They are now usually called growth substances. Plant HORMONES are produced in active MERISTEMS (e.g. root and shoot apices) from where they diffuse to other parts of the plant. A distinct contrast with animal hormonal systems is the fact that plants do not possess specific tissues for hormone production, nor a well-defined distribution system equivalent to the blood system.

Plant hormones are classified generally into several groups, discussed under separate headings: ABSCISSIC ACID, AUXINS, CYTOKININS and GIBBERELLINS.

References in periodicals archive ?
Incorporation of plant growth regulators during pre-soaking and priming treatments have improved seed germination and emergence performances in many crops including peppers (Korkmaz and Korkmaz, 2009).
However, no effect of plant growth regulator use on the suitability of creeping bentgrass against black cutworms, Agrotis ipsilon Hufnagel (Lepidoptera: Noctuidae), and sod webworms (Lepidoptera: Pyralidae) was evident (Rogers et al.
Antioxidant potential of leafy vegetables is found enhanced in response to a variety of plant growth regulators (PGRs) (Cecilia et al.
Growers in the agricultural and floriculture sectors continue to look for cost-effective ways to increase crop yields and quality, and plant growth regulators will play a vital role in meeting those goals.
Select a specific plant growth regulator and search for Web sites that present information on commercial uses of your selected plant growth regulator.
Effects of seed treatment with plant growth regulator on growth and tillering in spring barley (Hordeum distichum) cv.
The effects of applying different levels of nitrogen and the plant growth regulator pix on the morphological features of the cotton cultivar Sahel.
Plant growth regulators (PGRs) impart vital role in combating lodging resistance to increase maize production (Schluttenhofer et al.
The experiments in an in-vitro condition were carried in a completely randomized design with 4 plant growth regulator and 3 replications.
It can be seen in Table 2 that seeds immersed without plant growth regulator up to they reach 15% of water, with subsequent transfer to germination paper, presented lower soluble sugars levels (27 mg [g.
Plant growth regulator losses in cotton as affected by adjuvants and rain/Perdas de reguladores de crescimento do algodoeiro em funcao de adjuvante e de chuva simulada.
Adventitious root initiation, plasticity, and response to plant growth regulator treatments of seedling, juvenile, and adult Elaeocarpus hookerianus plants.

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