Papers by Pratibha Singh Katiyar
International Journal of Chemical Studies, Mar 1, 2018
The morpho-physiological divergence was assessed in 44 Soybean (Glycine max L. Merrill) genotypes... more The morpho-physiological divergence was assessed in 44 Soybean (Glycine max L. Merrill) genotypes were studied in three groups. The objectives of the research work to evaluate the diversity of soybean genotypes at morpho-physiological traits and plant architecture linked to higher yield and their correlation among the traits. Negative and significant correlations were observed between HI and CGR, RGR, NAR, and biological yield in early duration group. However CGR of medium duration and long duration group was positively correlated with RGR, NAR, and biological yield and negatively correlation with test weight in (Medium group). HI was positively correlated with seed yield and test weight in long duration genotypes. The correlation of morpho-physiological traits showed positive correlation of plant height with HI and test weight. In yield traits negative and significant correlation was observed between chlorophyll (SPAD) value and biological yield. Genotype KDS 775 (Early) RSC10-30 (Early) NRC123 (Medium) and PS1570 (Long) have higher HI amongst their group. Genotype RVS 2010-1 (Early), KDS-975 (Early),RSC10-04 (Medium), NRC 117 (Medium), JS 20-94 (Medium) and JS 97-52 (c)( long) and RSC 10-29 (Long) have shown significantly higher seed yield amongst their respective groups. These genotypes having efficient partitioning of photo assimilates during the period of sink development.
Journal of Pharmacognosy and Phytochemistry, 2018
Gums are important natural biopolymers demand from biological system under stress situation i.e. ... more Gums are important natural biopolymers demand from biological system under stress situation i.e. disease injury to bark etc. being used as a principal components in food, pharmaceutical industries and play a key role in social and livelihood of tribal communities. Gums are metabolic by-products of plant tissues either in normal course or often as a result of disease or injury to the bark or wood of certain plants and it can not be re-entered with plant system. Dhawda (Anogeissuslatifolia) also known as Gum ghatti is the dried exudates tree belonging to family Combretaceae. The commercial tapping of Dhawda is done by blazing, peeling, or by making deep cuts at the base of the bole using an axe. These method soften lead to the death of the tapped trees. On account of crude tapping methods and over exploitation the population of Dhawda trees has markedly declined. The harvesting method currently used is traditional and injurious due to which often obtained inferior quality of products. Hence, the study was undertaken in ICAR Network Project for research work at village Khargadih, district Raipur (Chhattisgarh) to develop the scientific tapping techniquefor sustainable harvesting in major gum producing tree of Chhattisgarh state during year 2015. The various chemical methods are used for tapping purpose. Chemical tapping method using ethephon and IAA injected by battery operated drill machine. However, temperature and relative humidity also play significant role in gum exudation. Theethephon @ 2.34% in 4 ml in two consecutive doses in 45-60 days intervals at high temperature in month of April toJune was found significantly effective for maximum gum production. The process of gummosis related to biotic and abiotic stress of tree plant and plays significant role in production of biopolymers (gum/resin). Therefore, the physiological tool was used to impose artificial stress via various concentration of ethephon (slow releasing substance of ethylene) as gum enhancer in stem of dhawda to find out the mechanism of gummosis and compared with mechanical tapping method. The biological (anatomical), studies were done via taking the sample of soft (sapwood) after injecting the gum enhancer ethephon at different time intervals. It can observed that the application of ethephon enhance the process of gummosis, due to formation of gum duct. The gum duct formation was observed in histological analysis of bark section within 2-4 hrs of ethephon treatment in dhawda. The histological changes indicated that the gum ducts arises schizogenously by the formation of intercellar spaces among a group of axial parenchyma cells in dhawda.
International Journal of Chemical Studies, Mar 1, 2018
Phytotoxicity is defined as the detrimental effect of chemical products used for the eliminating ... more Phytotoxicity is defined as the detrimental effect of chemical products used for the eliminating or growth regulating purpose on some morphological, anatomical and physiological processes of plants. We examined the effect of chlorpyrifos, which is used to crop against fleas, insects, termites, pests and mosquitoes to determine whether it adversely affect ashwagandha plant. The experiment was conducted at Indian Institute of Soil Science (ICAR), Bhopal (MP) during 2015-2016, comprising four concentrations of pesticide chlorpyrifos viz. 0%, 0.25%, 0.75% and 1.25%. The commencement of foliar treatment applied on vegetative phase i.e., 30, 45 and 60 days after transplanting on ashwagandha. The biochemical characteristics of ashwagandha were recorded after various doses of pesticide treatment application. The peroxidase and catalase activity decreased with increasing level of pesticide treatment in ashwagandha. Chlorophyll a content and chlorophyll b content decreased with higher dose of pesticide treatment in the experimental crops.
International Journal of Current Microbiology and Applied Sciences, Aug 10, 2017
Gum is natural biopolymers and formed via process of gummosis due to biotic and abiotic stresses ... more Gum is natural biopolymers and formed via process of gummosis due to biotic and abiotic stresses i.e. injury, infection, drought, heat, high temperature, asby product of metabolic pathway and cannot re-enter in the system. Gum karaya (Sterculia urens Roxb.) is a dry deciduous tree belonging to the family Sterculiaceae distributed throughout India and Chhattisgarh. Karaya gum is the dried exudate obtained from trees of Sterculia species. Karaya gum is predominately used for many industries such as petroleum and gas, textiles, paper and pulp, pharmaceuticals, medicine and several other products. The commercial tapping of karaya is done by blazing, peeling, or by making deep cuts at the base of the bole using an axe or a cycle. These methods often lead to the death of the tapped trees. On account of crude tapping methods and over exploitation the population of karaya trees has markedly declined. The harvesting methods currently used are traditional and injurious due to which often obtained inferior quality of products. Hence, the study was undertaken in ICAR Network Project to develop the scientific tapping technique for sustainable harvesting in major gum producing tree of Chhattisgarh state to enhance the livelihood of the rural areas as well as to protect the plant and generate the revenue of the government. The various chemical methods are used for tapping purpose. Chemical tapping method using ethephon and IAA injected by battery operated drill machine. However, temperature and relative humidity also play significant role in gum exudation. The ethephon @ 3.9% in 4 ml in two consecutive doses in 45-60 days intervals at high temperature in month of April to June was found significantly effective for maximum gum production during both the year 2015 and 2016. The physiochemical properties of exudated gum were investigated and gum was found to be mild acidic, least soluble in cold water but absorb water and swell, soluble in hot water but insoluble in organic solvent.
International journal of chemical studies, Nov 1, 2020
Gums and resins occupy a prime place among Non-Wood Forest Produce (NWFP/NTFP) and are known to m... more Gums and resins occupy a prime place among Non-Wood Forest Produce (NWFP/NTFP) and are known to mankind since time immemorial. Gums are metabolic by-products of plant tissues either in normal course or often as a result of disease or injury to the bark or wood of certain plants and it cannot be reenter with plant system. Gum Karaya (Sterculia urens Roxb.) is a dry deciduous tree belonging to the family Sterculiaceae distributed throughout India and Chhattisgarh. The impact of gum enhance ethephon was found significantly superior, regarding the production of biopolymers. The biological (anatomical), studies were done via taking the sample of soft (sapwood) after injecting the gum enhancer ethephon at different time intervals. It can observed that the application of ethephon enhance the process of gummosis due to formation of gum duct. The gum duct formation was observed in histological analysis of bark section within 2 hrs of ethephon treatment in gum Karaya. The histological changes indicated that the gum ducts lysigenously are present in the pith and cortex of the young stem of Sterculia urens but absent in the xylem. The commercial tapping of Karaya is done by blazing, peeling, or by making deep cuts at the base of the bole using an axe or a cycle. These methods often lead to the death of the tapped trees. On account of crude tapping methods and over exploitation the population of karaya trees has markedly declined. The harvesting method currently used are traditional and injurious due to which often obtained inferior quality of products. Hence, the study was undertaken in ICAR Network Project to develop the scientific tapping technique for sustainable harvesting in major gum producing tree of Chhattisgarh state to enhance the livelihood of the rural areas as well as to protect the plant and generate the revenue of the government. The chemical tapping method using ethephon and IAA injected by battery operated drill machine. However, temperature and relative humidity also play significant role in gum exudation. The ethephon @ 3.9% in 4 ml in two consecutive doses in 45-60 days intervals at high temperature in month of April to June was found significantly effective for maximum gum production during both the year 2015 and 2016. The physiochemical properties of exudated gum were investigated and gum was found to be mild acidic, least soluble in cold water but absorb water and swell, soluble in hot water but insoluble in organic solvent.
Journal of Pharmacognosy and Phytochemistry, 2018
Gums and resins occupy a prime place among Non-Wood Forest Produce (NWFP/NTFP) and are known to m... more Gums and resins occupy a prime place among Non-Wood Forest Produce (NWFP/NTFP) and are known to mankind since time immemorial. Gums are important natural biopolymers demand from biological system under stress situation i.e. disease injury to bark etc. being used as a principal components in food, pharmaceutical industries and play a key role in social and livelihood of tribal communities. Gums are metabolic by-products of plant tissues either in normal course or often as a result of disease or injury to the bark or wood of certain plants and it cannot be re-enter with plant system. The process of gummosis related to biotic and abiotic stress of tree plant and plays significant role in production of biopolymers (gum/resin). The impact of gum enhance Ethephon was found significantly superior, regarding the production of biopolymers. Gum Karaya (Sterculia urens Roxb.) is a dry deciduous tree belonging to the family Sterculiaceae distributed throughout India and Chhattisgarh. Therefore, the physiological tool was used to impose artificial stress via various concentration of Ethephon (slow releasing substance of ethylene) as gum enhancer in stem of gum Karaya to find out the mechanism of gummosis and compared with mechanical tapping method undertaken in ICAR Network Project. The biological (anatomical), studies were done via taking the sample of soft (sapwood) after injecting the gum enhancer Ethephon at different time intervals. It can observed that the application of Ethephon enhance the process of gummosis, due to formation of gum duct. Karaya gum is the dried exudate obtained from trees of Sterculia species. The gum duct formation was observed in histological analysis of bark section within 2hrs of Ethephon treatment in gum karaka. The histological changes indicated that the gum ducts lysigenouslyare present in the pith and cortex of the young stem of Sterculia urens but absent in the xylem.
International Journal of Current Microbiology and Applied Sciences
Trends in Biosciences, 2018
Journal of Ravishankar University, Jul 1, 2016
The field experiment was laid out in a split plot design with three nitrogen levels of T1 (120 kg... more The field experiment was laid out in a split plot design with three nitrogen levels of T1 (120 kg N ha), T2 (80 kg N ha) and T3 (120 kg N ha) as main plot treatments and twenty screend rice genotypes as sub plot treatments. To identify nitrogen use efficient cultivars enzymatic activity play an important role in the selection criteria. Nitrate reductase, Nitrite reductase and Glutamine synthetase activities were increased with higher level of nitrogen except Glutamate synthase activity, which showed opposite pattern, Glutamate synthase activity decreases with higher nitrogen levels. Genotypes which were recorded maximum enzymatic activities are DXD (124)-3-28, DXD (124)-17-192, DXD (124)-17-193, DXD (124)-15-164, DXD (124)-17-210, DXD (124)-11-133 and DXD (124)-9-91.
Journal of Pharmacognosy and Phytochemistry, 2020
An experiment entitled “Role of pre-sowing seed treatment on germination behavior and seedling vi... more An experiment entitled “Role of pre-sowing seed treatment on germination behavior and seedling vigour of papaya (Carica papaya L.)” was conducted at Instructional cum Research Farm, College of Agriculture and Research Station, (IGKV), Bemetara, Chhattisgarh, India during the year 2018 and 2019. The experiment was laid out in Completely Randomized Design (CRD) with Seventeen different treatments replicated three times. The papaya seeds were sown in polybags which was filled with common media and treated with three different concentration of GA3 (viz., 50, 100 and 150) and 10 per cent cow urine with addition of bio-fertilizers in media soil. The results revealed that the application of treatment T11 (seed soaking with 150 ppm GA3 + 12 hours + azotobacter) was given early germination, rate of emergence as well as highest germination percentage, seed vigour index – I and seed vigour index – II. While, T15 (seed soaking with cow urine 10 (%) + 12 hours + azotobacter) had given maximum ro...
International Journal of Chemical Studies, 2020
Gladiolus is a flower of glamour and perfection which is known as the queen of bulbous flowers an... more Gladiolus is a flower of glamour and perfection which is known as the queen of bulbous flowers and grown as flower bed in garden. Plant growth substances promote more number of quality corm production in gladiolus. Hence, the present study was conducted to study the impact of plant growth substances in gladiolus at Research cum Instructional Farm, Indira Gandhi Krishi Vishwavidyalaya, Raipur (C.G.). The five gladiolus cultivars i.e., Saffron, Summer shine yellow, American beauty, Candyman and White prosperity were tested with plant growth substances viz., GA3 @ 100 ppm + Vermicompost @ 80 g/pot, CCC @ 500 ppm, Humic acid @ 0.1% + Chicken manure @ 10 g/ pot, Salicylic acid @ 150 ppm and control (distilled water) in Factorial Completely Randomized Design with three replications during Rabi season 2016-17. The plant growth substances were sprayed with the help of a sprayer and the organic manures (Vermicompost, Chicken manure) was given by soil application at two, four, six leaves and flowering stage. It was observed that the experimental cultivars were exhibited genotypic variation regarding corm and cormel number, size, weight and diameters. The cultivar American beauty having maximum number of cormels whereas, cultivar White prosperity having significantly highest corm weight, corm diameter and cormel diameter and cultivar Saffron recorded minimum corm weight and corm diameter in all the tested cultivars. The treatment CCC @ 500 ppm was significantly improved the yield parameters and treatment GA3 @ 100 ppm along with Vermicompost @ 80 g/ pot was found inferior among all the treatments.
International Journal of Current Microbiology and Applied Sciences, 2020
Natural Products Chemistry & Research, 2018
Field experiment was conducted during 2016-17 and 2017-18 to study the response of rice genotypes... more Field experiment was conducted during 2016-17 and 2017-18 to study the response of rice genotypes on Growth and morpho-physiological parameters under three nitrogen levels 120 kg N ha-1 , 80 kg N ha-1 and 40 kg N ha-1 as main treatments and twenty rice genotypes as sub treatments, which was carried out at experimental site of Department of Plant Physiology, IGKV, Raipur (C.G.) with Split plot design along with two replications. In the present investigation among the nitrogen treatments, application of 120 kg N ha-1 recorded significantly higher values for growth and morpho-physiological parameters such as plant height, number of tillers/plant, number of effective tillers/ plant, number of panicle/m 2 , panicle length, flag leaf area, specific leaf area and specific leaf weight. Among the genotypes, DXD (124)-17-193 followed by DXD (124)-17-192 and DXD (124)-3-28 recorded the maximum grain yield even under all the treatments, which also gives better result on the other growth and morpho-physiological parameters. This indicated that maximum yield can be attributed to maximum number of panicles, more photosynthetic rate, more tillers and effective tillers, more flag leaf area, maximum specific leaf weight and minimum specific leaf area.
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Papers by Pratibha Singh Katiyar