pgr Tag

09 Dec

Posted at 09:25h in Miscellaneous

फलों की फसल के सुधार में पादप विकास नियामकों की भूमिका Plant growth regulators refer to an organic compound other than nutrients and vitamins which are active at low concentrations in promoting, inhibiting or modifying growth and development. The naturally occurring (endogenous) growth substances are commonly known as plant hormones, while the synthetic ones are called growth regulator. Plant hormone is synthesised in one part of the plant and translocated to another part, where in very low concentrations it causes a physiological response. The plant hormones are identified as promoters (auxins, gibberellin and cytokinin), inhibitors (abscissic acid and ethylene) and other hypothetical growth substance (florigen, flowering hormone, etc). Application of plant growth regulators results...

26 Apr

Posted at 08:52h in Crop Cultivation

फूलों की खेती में प्लांट ग्रोथ रेगुलेटर की भूमिका The use of PGR's in modern horticulture is well established, more particularly horticulture in industrially advanced countries and their application is fast picking up in the developing nations as well. In fact PGRs have become integral component of agro-technical procedures of cultivated ornamental crops, since the regulations for usage of chemicals in ornamental crops are less stringent unlike those in food crops. Thus their application in these crops has been extended to alter a variety of responses. Some plant species or cultivars are responsive to specific PGRs, but not all PGRs. Hormone can be defined as a substance produced in one part of the organism...