Kerala Agricultural University, Thrissur

The history of agricultural education in Kerala can be traced back to the year 1896 when a scheme was evolved in the erstwhile Travancore State to train a few young men in scientific agriculture at the Demonstration Farm, Karamana, Thiruvananthapuram, presently, the Cropping Systems Research Centre under Kerala Agricultural University. Agriculture was introduced as an optional subject in the middle school classes in the State in 1922 when an Agricultural Middle School was started at Aluva, Ernakulam District. The popularity and usefulness of this school led to the starting of similar institutions at Kottarakkara and Konni in 1928 and 1931 respectively. Agriculture was later introduced as an optional subject for Intermediate Course in 1953. In 1955, the erstwhile Government of Travancore-Cochin started the Agricultural College and Research Institute at Vellayani, Thiruvananthapuram and the College of Veterinary and Animal Sciences at Mannuthy, Thrissur for imparting higher education in agricultural and veterinary sciences, respectively. These institutions were brought under the direct administrative control of the Department of Agriculture and the Department of Animal Husbandry, respectively. With the formation of Kerala State in 1956, these two colleges were affiliated to the University of Kerala. The post-graduate programmes leading to M.Sc. (Ag), M.V.Sc. and Ph.D. degrees were started in 1961, 1962 and 1965 respectively. On the recommendation of the Second National Education Commission (1964-66) headed by Dr. D.S. Kothari, the then Chairman of the University Grants Commission, one Agricultural University in each State was established. The State Agricultural Universities (SAUs) were established in India as an integral part of the National Agricultural Research System to give the much needed impetus to Agriculture Education and Research in the Country. As a result the Kerala Agricultural University (KAU) was established on 24th February 1971 by virtue of the Act 33 of 1971 and started functioning on 1st February 1972. The Kerala Agricultural University is the 15th in the series of the SAUs. In accordance with the provisions of KAU Act of 1971, the Agricultural College and Research Institute at Vellayani, and the College of Veterinary and Animal Sciences, Mannuthy, were brought under the Kerala Agricultural University. In addition, twenty one agricultural and animal husbandry research stations were also transferred to the KAU for taking up research and extension programmes on various crops, animals, birds, etc. During 2011, Kerala Agricultural University was trifurcated into Kerala Veterinary and Animal Sciences University (KVASU), Kerala University of Fisheries and Ocean Studies (KUFOS) and Kerala Agricultural University (KAU). Now the University has seven colleges (four Agriculture, one Agricultural Engineering, one Forestry, one Co-operation Banking & Management), six RARSs, seven KVKs, 15 Research Stations and 16 Research and Extension Units under the faculties of Agriculture, Agricultural Engineering and Forestry. In addition, one Academy on Climate Change Adaptation and one Institute of Agricultural Technology offering M.Sc. (Integrated) Climate Change Adaptation and Diploma in Agricultural Sciences respectively are also functioning in Kerala Agricultural University.

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Open Access
Study on marketing management of Sitaram ayurveda pharmacy Ltd. for Narasimham oil
(College of Co-operation Banking and Management, Vellanikkara, 2017) Bhagyasree, K G; KAU; Smitha, Baby
Marketing management is the organizational discipline which focuses on the practical application of marketing orientation, techniques and methods inside enterprises and organizations and on the management of a firm's marketing resources and activities. Marketing management employs tools from economics and competitive strategy to analyze the industry context in which the firm operates. The scope of a business' marketing management depends on the size of the business and the industry in which the business operates. Effective marketing management will use a company's resources to increase its customer base, improve customer opinions of the company's products and services, and increase the company's perceived value. The project entitled “A study on marketing management of Sitaram Ayurveda Pharmacy Ltd. for Narasimham oil” were undertaken with the objectives vii. To understand the marketing management practices followed by Sitaram Ayurveda Pharmacy Ltd for the promotion of Sitaram Narasimham oil. viii. To evaluate consumers, retailers and dealers perception towards the maketing of Sitaram Narasimham oil. ix. To suggest improved marketing strategies for Sitaram Narasimham oil. The sample size of the study was 60 consumers, 8 distributors and 15 retailres of Sitaram Narasimham oil , in Thrissur Corporation. Consumers were selected by using convenience sampling method. The study was based on primary data and secondary data, the primary data were collected from the sample respondents through personal interview. The collected data were analyzed using percentage and ranking index method. In order to keep the company vibrant and responsive to the needs of the customers, it is vital to regularly monitor the level of consumer satisfaction and marketing management practices.
Open Access
Resource management in urban co-operative banks in Thrissur district
(Department of Co- operative Management, College of Co- operation and Banking,Vellanikkara, 1993) Babu, C V; KAU; Sukumaran, A
Study on resource management in urban cooperative banks in thirssur district was conducted with the objective of examining the resource management practices of urban cooperative banks with special reference to the management of sources and use of funds, to identify problems and to suggest remedial measures thereof. Study observed that deposits constituted the lions share of total sources of funds of banks. The borrowings of the banks were negligible. Thre strong capital base of the banks helped to retain the credibility of the depositors, Reserves which contribute the major chunk of the owned funds, increased the total source of funds. The high proportion of fixed deposits in the funds mobilized caused to rise the interest liability of the banks. Since there are limits to control the interest cost, banks have to bring down their manpower and other expenses, improve revenue by the profitable deployment of funds, besides enhancing the mobilization of deposits for short periods. Among the three types of loans and advances, short term loans and advances occupied highest place. However, banks may further improve the share of short term loans in the funds deployment, which can ensure frequent recycling of funds, maximize profit and keep the liquidity needs met. The major part of investment in short term loans and advances were financed through fixed deposit mobilization. Funds were not rationally allocated from the view point of periodicity. Yielding lesser income to the banks, the investments increased enormously. The disproportionate growth of equity and debts of the banks intensified the risk exposure of funds portfolio. There had no direct relationship between risk and return of the banks and a proper risk return trade off is lacking in majority of the banks. Banks had kept excess liquid assets and liquid cash over and above the statutory requirements. This necessitated scientific evaluation of the liquidity needs to identify the funds blocked as idle and utilize the excess fund kept for profitable deployment. Credit deposit ration of the banks was below the desirable level and this affected the profitability adversely. The lending efficiency of the banks had also affected by the poor recycling of funds. Therefore, steps may be taken to improve, the credit deposit ratio, reduce mounting over dues, and ensure efficient management of risk and return which in turn calls for the scientific management of funds.
Open Access
Performance of Rubber Clones in Pullengode estate in Ernad Taluk of Malappuram district
(Department of Plantation Crops and Spices, College of Horticulture,Vellanikkara, 1994) Ravindra Das, K; KAU; Prassannakumari Amma, S
The study aimed at evaluating the performance of three clones of rubber viz. RRII 105, RRIM 600 and PB 235 in Ernad taluk of Malappuram district. Ten identical units in each clone were selected and details on girth and yield characters were gathered. The secondary characters such as resistance to diseases, tapping panel dryness, wind damage, yield depression during summer, dry rubber content, colour of latex etc. were studied. The study was conducted through personal visits and with the help of a pre – tested questionnaire. Some of the details were collected from the Rubber Board Regional Officer, Nilambur and from the records mainted in the Pullengode estate. The results of the study showed that the over all performance of the clones RRII 105 and RRIM 600 were satisfactory under the prevailing agro – climatic conditions in Malappuram district and in the hilly tract of Pullengode area. Available information from the estate showed that the highest yield was recorded for the clone RRII 105. It showed a fair degree of tolerance to abnormal leaf fall and pink disease than the other clones, but was susceptible to brown bast. The trees are being kept under the low frequency tapping system to control the occurrence of tapping panel dryness. The clone showed the lowest depression in yield of 16.19 per cent during summer. The clone recorded a dry rubber content of 39.65 per cent. The clone RRIM 600 occupied the second place in the overall performance and yield. The incidence of abnormal leaf fall and pink disease was not so severe. The powdery mildew and brown bast incidence were low. The yield depression during summer was 18.88 per cent. It recorded the highest dry rubber content of 39.75 per cent. Since the trees of the clone PB 235 were opened only in 1992, the yield pattern is not possible to be explained as it has not reached the stable stage. More data are required for a realistic comparison with the other clones. The susceptibility to abnormal leaf fall and powdery mildew was high. Incidence of pink disease was low. Tapping panel dryness was also not observed, perhaps being in the second year of tapping under low frequency system. The clone had light yellow latex of low dry rubber content of 31.45 per cent. In general Pullengode estate maintains the clones, RRII 105, RRIM 600 and PB 235 selected for the study under scientific and uniform conditions. The performance of the clones, except the slight variations inherant with each clone in growth, yield, susceptibility and tolerance to disease incidence, is found to be excellent. The clones are suitable for this region under the existing agro – climatic conditions and the recommended cultural practices.
Open Access
Comparative Study of The Contribution of Biometric Characters on Yieldin Dessert and Culinary Varieties of Banana
(Department of Statistics, College of Veterinary,Mannuthy, 1981) Vijayaraghava Kumar; KAU; George, K C
Investigations on the different morphological characters were undertaken from the crop raised at the University Banana Research Farm, Kannara. The plants were grown in Randomised blocks of 3 replications. There were 58 varieties in dessert type and 30 in culinary varieties of bananas. The important morphological characters studied were height, girth, number of leaves, weight of hands, weight of fingers, number of fingers, length of fingers, thickness of fingers, number of hands, number of fingers per hand, length of peduncle and the yield. In both of the groups all of these characters were shown high significant difference among varieties. In many characters and in yield the ‘average values’ were slightly greater in culinary varieties. The correlation studies revealed that the phenotypic and genotypic correlations of all these characters with yield is positive. The path coefficient analysis on dessert varieties has shown that the character having maximum contribution to yield is weight of hands. The weight of fingers and number of fingers also influences the yield indirectly. In the case of culinary varieties of bananas the number of fingers had the maximum direct contribution to yield. In this group the conclusion made was that when the number of hands increases, the number of fingers per hand decreases which will bring down the yield. Studies on the discriminant function were also carried out in both the varieties. The genetic advance through discriminant function didn’t reveal any worth significance as the genetic advances through these functions were less than that calculated by straight selection (in both groups). Thus straight selection is enough for such purposes in these banana varieties. By fixing index values for all the varieties in the two groups selection was made easy. The best varieties obtained by this method were Chenkadali and Red Banana in dessert group and Peykunnan and Walha in the culinary varieties. The results from the path analysis has revealed that there is no need of putting any restriction on the dessert varieties. In the other group after putting restriction on ‘girth’ the genetic advance were calculated individually for the significant (the ones taken in this analysis) morphological characters. It has seen that ‘number of fingers’ had the maximum genetic advance. Finally by combining all the varieties in the dessert and culinary groups a combined selection index was also fitted. The genetic advances of this index was found to be nearer to that obtained from the analysis of culinary varieties.
Open Access
Regulation of flowering and post _harvest behaviour of Anthurium andreanum Cv . Hawaiian red
(Department Of Pomology And Floriculture,College Of Horticulture,Vellanikkara, 1999) Abdussamed, K P; KAU; Valasalakumari, P K
Open Access
Nodulation Behaviour Of Acacia Mangium Wikd.In Response TO Rhizobium Inoculation
(Department of Tree Physiology and breeding, College of forestry,Vellanikkara, 1998) Dhaneshkumar, P; KAU; Ashokan, P K
An investigation was carried out during April 1996 to December 1997 at the College of Forestry, Kerala Agricultural University, Vellanikkara to study the nodulation characteristics of Acacia mangium Willd. plantation and to isolate and compare the efficiency of rhizobia from different agroclimatic regions of Kerala. The efficiency of these rhizobial isolates under varying conditions of soil fertility and acidity were also evaluated. Survey conducted throughout the state showed rhizobial association and nodulation in all mangium plantations. The soil of these plantations were acidic with pH values ranging from 4.9 to 6.2. Experiments conducted to study the rhizobial characteristics indicated that, the fast growers (Rhizobium spp.) as well as the slow growers tBradyrhizobium spp.) are involved in nodulation of A. mangium in Kerala. The efficiencies of different rhizobial isolates were studied in polypots using sterilized and unsterilized soil - sand mixture. Two other polypot experiments were conducted to study the response of the rhizboial isolates to liming and Nand P application. The experiments were laid out in C.R.D with three replications. Seedlings raised in unsterilized soil performed better as compared to seedlings in sterilized soil. However, the response to inoculation was more prominent in sterilized soil. In sterilized soil, seedlings inoculated with Rhizobium isolates from mangium ;MRh-3 (Mananthavadi), MRh- 2(Perambra), MRh-13 (Trivandrum), MRh-6 (Vellanikkara) and MRh-lO (Mavelikkara) and commercial mangium culture (" Agroforester - Group A") showed superiority in nodulation and growth characteristics while the isolates from A. auriculijonnis and commercial culture of A. auriculijonnis, ("Agroforester - Group C") were not much effective. Seedling - response to inoculation varied with rhizobial isolates, and mangium showed its specificity in Rhiozbium requirement for nitrogen fixation. The application of lime adversely affected nodulation capacity of the rhizobial isolates of mangium from Kerala, indicating the adaptations of these isolates to acidic soils. The nodulation efficiency of commercial culture "Agroforester - Group A" was improved by lime application, indicating that this strain is adapted to soils of higher pH. The nodulation and nitrogen fixing efficiency of the isolates were improved by supplementating fertilized N and P. The need for a starter dose of Nand P for effective nodulation and efficient Ny-fixation in mangium seedlings. MRh-6 (Vellanikkara) performed poorly in unfertilized soil, but showed superiority when applied with N and P fertilizers, indicating the sensitivity of this isolate to site conditions. As the rhizobial isolates from different agroclimatic regions of Kerala responded differently under varying soil pH and doses of Nand P, inoculation of selected strains of rhizobia depending on site conditions may be needed for successful establishment of mangium seedlings.
Open Access
Effect of heat stress on the expression patterns of different growth related genes in Malabari goats
(Academy of Climate Change Education and Research, Vellanikkara, 2018) Angel Sunny, P; KAU; Bagath, M
The impact of heat stress on growth performance of goats has been established fairly based on changes associated with phenotypic traits. However, not many reports are available on the genotypic traits which get altered on exposure to heat stress in livestock. Therefore, the study is an attempt to elucidate the molecular mechanisms governing growth performance during heat stress in goats. The primary objective of the study was to establish the influence of heat stress on the expression patterns of different growth related genes in Malabari goats. The study was conducted for a period of 45 days in twelve Malabari goats randomly allocated into two groups: MC (n=6; Malabari control) and MHS (n=6; Malabari Heat stress). Goats were stall-fed with a diet composed of 60% roughage and 40% concentrate. All animals had access to adlibitum feed and water and they were fed and watered individually. The MC goats were placed in the shaded pens while MHS goats were exposed to heat stress in outside environment between 10.00 h to 16.00 h. At the end of study period, all 12 animals were slaughtered and their liver tissues were collected for gene expression and histopathological studies. The temperature-humidity-index (THI) inside the shed (74.9) proved that the animals were not stressed while in the outside environment (86.5) the animals were extremely distressed. The hepatic growth hormone (GH), growth hormone receptor (GHR), insulin-like growth factor-1 (IGF-1), leptin (LEP) and leptin receptor (LEPR) gene expression patterns were significantly (P<0.05) lower in heat stress group as compared to the control group animals. In addition, negative correlation (P<0.05) was also established between THI and all the growth related gene expression in the study. The hepatic histopathological section showed more fatty and degenerative changes (P<0.05) in hepatocytes in MHS group as compared to MC group. The study offers the first thorough insight into the expression patterns of different growth related genes during heat stress exposure in goats. Further, the study established GH, GHR, IGF-1, LEP, LEPR genes to be the ideal markers to reflect growth potential in Malabari goats. The findings from this study provide some crucial initial information on how different growth relatedgenes are expressed when Malabari goats are subjected to heat stress. This information might be of high value in assessing the growth performance of goats and may provide useful information pertaining to nutrient supplementation to the heat stressed goats.
Open Access
Seed invigoration and dormancy studies in snake gourd
(Department of Olericulture, College of Horticulture,Vellanikkara, 2005) Mohan, N; KAU; George, T E
“Seed invigoration and dormancy studies in snake gourd (Trichosanthes anguina L.)” were carried out at Department of Olericulture, College of Horticulture, Kerala Agricultural University, Vellanikkara, Thrissur during 2004-2005. This study aimed at standardizing seed invigoration techniques in snake gourd that can break dormancy and improve seed vigour and studying the impact of invigoration techniques on storability as well as field performance. Among the different invigoration treatments tried, mechanical scarification by way of seed rupturing was the most effective one followed by acid treatments (5N H2SO4, 5N HCl and 5N HNO3 for 10-20 minutes), hot water soaking (400 C for 5 minutes) and treatment with 1 % KNO3 for 12 hours. These treatments could break the dormancy of snake gourd seeds from the freshly extracted state onwards and improve the seed vigour. From the fourth month onwards, untreated seeds also showed higher germination. Treatments such as water soaking, GA3 250 / 500 ppm, NAA 100 ppm, 0.5 % NaH2PO4 and 0.5 % KH2PO4 did not show any positive influence on dormancy release. It is evident from the present study that dormancy in seeds of snake gourd is due to water impermeable seed coat and this is naturally broken only four months after extraction and if the seeds are to be used immediately after extraction or till three months afterwards, an invigoration treatment is inevitable. An insight in to the changes in the anatomy of seed coat thickness revealed the differences in the layer wise coat thickness of invigorated seeds, stored seeds and fresh seeds. The stored seeds had lesser coat thickness as in the case of invigorated seeds. In contrast, untreated fresh seeds had higher coat thickness and this acts as a mechanical barrier for water imbibition. The study on moisture imbibition rate revealed that the seeds subjected to mechanical scarification imbibed water more rapidly after 24 hours and resulted in higher and early germination and high speed of release of dormancy. The stored seeds as well as seeds invigorated with acids and hot water also displayed high imbibition rate due to reduced seed coat thickness and opening of specialized cracks in seed coat. On the other hand, untreated seeds showed lesser water imbibition. There was a gradual reduction in quality parameters like germination percentage, speed of germination and vigour indices during storage of invigorated seeds. This indicates that the invigorated seeds can be supplied to farmers only for immediate use and they are not amenable to storage beyond one to two months. Electrical conductivity of seed leachates was significantly influenced by the invigoration treatments during the period of storage. The EC values showed increasing trend with increase in duration of storage. This confirms the usefulness of electrical conductivity study as a rapid and effective indicator of seed deterioration during storage. The seeds subjected to mechanical scarification and seeds from previous Kharif crop were found to have maximum field emergence and the seeds treated with 1 % KNO3 recorded highest fruit set, earliness, higher yield, maximum fruit weight as well as higher seed yield followed by stored seeds from previous Kharif crop. All other treatments were also superior in field performance when compared to untreated fresh seeds. Thus it can be seen that the initial advantage gained through seed invigoration has been sustained to a larger extent in the field performance as well.
Open Access
GxE interaction of semi-erect cowpea genotypes
(Department of Olericulture, College of Horticulture,Vellanikkara, 2005) Ampily, M; KAU; Salikutty Joseph
Experiments on “G x E interaction of semi-erect cowpea genotypes” were carried out at the Department of Olericulture, College of Horticulture, Kerala Agricultural University, Vellanikkara, Thrissur during Kharif, Rabi and summer 2004-2005. Fifty accessions of cowpea collected from various parts of Kerala were used for the study. The study was aimed at identification of stable high yielding and dual purpose semi-erect cowpea accessions over different seasons. With regard to yield and yield contributing characters, summer season was found to be best. The performance of all the accessions during Rabi was inferior as compared to Kharif and summer. The accessions VS-1177, VS-1025 and VS-1179 performed better with a green pod yield of 9.5 tonnes, 6.9 tonnes, 6.2 tonnes per hectare respectively and a seed yield of 3.3 tonnes, 2.1 tonnes, 2.3 tonnes per hectare respectively tonnes per hectare. Along with these three accessions during summer the accessions VS-1172 and VS-1170; during Kharif the accessions VS-1174 and VS-1042 during Rabi the accessions VS-1175 and VS-1015 were also superior. The pest and disease infestation scenario during cultivation showed that the accession VS-1111 had a pod borer infestation below 2 per cent and can be recommended as a resistant variety. The coreid bug infestation was maximum during summer followed by Kharif and was nil during Rabi. None of the accessions were found to be resistant to coreid bug. The incidence of aphids was lowest during Kharif followed by summer and Rabi. The accessions VS-1230 and VS-1231 were free from aphid attack during all the seasons and can be considered as resistant varieties. There was no incidence of anthracnose during Rabi season. Considering all the seasons, the accessions VS-1294, VS-1047, VS-1171, VS-1286 (Varun), VS-1276 (Kanakamony), VS-1179, VS-1213, VS-1160, VS-1263, VS-1032, VS-1266 (Kairali) and VS-1248 were free from anthracnose. The incidence of collar rot was lowest during summer followed by Kharif and Rabi. There was no incidence of mosaic during Rabi. The study on analysis of variance revealed the presence of considerable variability for most of the characters among the genotypes. The magnitude of PCV was higher indicating a higher degree of environmental fluctuation in the case of green pod yield per plant (42.13), number of pods per plant (35.75) and seed yield per plant (35.33). GCV also revealed the same pattern of genetic variability as shown by the PCV for all the characters. High heritability of more than 60 per cent was noticed for characters like 100 seed weight followed by pod length, seed yield per plant, green pod yield per plant, number of pods per plant, number of seeds per pod and number of clusters per plant. The estimates of genotypic correlation coefficient were higher than the phenotypic correlation coefficient. Considering the G x E interaction, the accessions VS-1177, VS-1025 and VS-1179 were highly adaptable for green pod yield and seed yield per plant during all the seasons. Hence these accessions can be recommended as dual purpose, adaptable semi-erect cowpea for large scale cultivation throughout the year in Kerala.

Kerala Agricultural University, Thrissur

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