Abstract
The current studies reveal the effect of a plant growth regulator (PGRs) on growth and yield performance of wheat crop. It was demonstrated that plant morphology, physiology, biochemistry and yield of wheat crop is highly effected/ stimulated by the use of low/ different concentration of growth regulators. Various filed experiments were conducted to investigate the effect of concentrations and formulations of three PGR salts (ortho-nitrophenolate, para-nitrophenolate and Sodium-5-Nitroguaiacolate). Various compositions of PGRs were applied as foliar application during different stages of plant growth. Control measurements were also carried out simultaneously using water only. A significant increase in plant height, stem growth, leaf development, chlorophyll contents and other biochemical contents of plant has been observed by the use of PGR. The results indicate that the PGR concentrations of 100 ppm and 150 ppm were found to give the best results. From the current study, it was suggested that dose concentration ranging from100ppm to 150ppm has momentous potential on plant growth and yield of wheat crop. Also it enhances the nutritional value of crop and reduces the economic cost of former.
Highlights
Wheat (Triticum aestiyun L.) is one of the important grain crops in Pakistan and is being grown on an area of 8 million Hectare with a total production of 18.2 mat per annum. [1] In general, the wheat yields remain low for public demand and significant amounts of foreign exchange have to be spent on imports
Highest difference recorded in grain yield parameter between untreated and treated plants, these results suggested that growth regulators especially a mix composition of three plant growth regulators (PGRs) increases the physiological rate as well as the productivity of the crop [16]
On the basis of results observed through experiment in this paper, plant growth regulator treatments significantly increased the growth, yield and food quality of wheat crop
Summary
Wheat (Triticum aestiyun L.) is one of the important grain crops in Pakistan and is being grown on an area of 8 million Hectare with a total production of 18.2 mat per annum. [1] In general, the wheat yields remain low for public demand and significant amounts of foreign exchange have to be spent on imports. The growth of wheat is under the control of different hormones or plant growth regulators (PGRs) optimum quantities of which may or may not be produced. The use of exogenous hormones has found utility in increasing crop production in developing countries. These substances do not become part of the living cell but have an amazing effect on the plant growth.[2] Among different PGRs, Nitro-phenol (Phenol derivatives) is very effective for Plant physiology and metabolism. PGRs are the organic compounds, other than nutrients that stimulate the plant physiological process, they are the bio stimulants that stimulate or inhibit the specific enzymes which help to regulate or enhance the plant metabolism process [3]
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