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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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1980 - 198213
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Subject: Agriculture × End date: 1982 × Start date: 1980 ×
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Now showing 1 - 9 of 13
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    ThesisItemOpen Access
    Estimation of genetic parameters in green gram (Phaseolus aureus Roxb.)
    (Department of Agricultural Botany, College of Agriculture, Vellayani, 1980) Presanna Kumari, K T; KAU; Mary, K George
    Biometric studies on fifteen divergent green gram varieties (Phaseolus aurreus Roxb. syn. Vigna radiata (L.) wilzeck.) was conducted at the College of Agriculture , Vellayani , during November- January, 1979-80, to estimate the important genetic parameters like mean, range, genotypic and phenotypic coefficientsof variation , heritability, genetic advance and genetic gain and to find out the direct and indirect contributions of various component characters on yield by path coefficient analysis. There were significant differences among the varieties for all characters studied. Genotypic coefficient of variation was maximum for number of branches per plant followed by 100 seed weight and minimum for days to 50 per cent flowering . High heritability estimates were observed for pod length , 100 seed weight, plant height, number of seeds per pod days to 50 per cent flowering and number of pods per plant. Genetic gain was maximum for number of branches per plant followedby 100 seed weight and minimum for days to 50 per cent flowering. The number of branches per plant 100 seed weight, number of pods per plant and pod length had high heritability and genetic gain indicating the presence of additive gene action and hence they can be relied upon in selection programmes.
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    ThesisItemOpen Access
    Studies on heterosis and combining abilities with respect to important economic traits in Capsicum annuum, L.
    (Division of Agricultural Botany, College of Agriculture, Vellayani, 1981) Manikantan Nair, P; KAU; Mary, K George
    Sixty three varieties of Capsicum annuum representing different agroclimatic regions of the country constituted the base material of the study. Based on yield potential , adaptability and tolerance to leaf curl complex disease, thirty varieties were selected for subsequent studies. Comprehensive genetic studies including estimation of genetic parameters, cause effect relationship by path coefficient analysis, genetic divergence by Mahalanoble D2 statistic and a nine parent diallel analysis to causes the combining ability, to unravel the pattern of inheritance and also to examine the level of heterosis manifested with respect to eighteen economic characters including four nutritiveand quality attributes namely Vitamin A, Vitamin C, Capsaicin and Oleoresin content were conducted during the year 1976-79. Analysis of plot means exhibited highly significant differences among varieties except for Capsaicin content. The high degres of variability in economic attributes offers scope for recombining desirable genes from different varieties.
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    ThesisItemOpen Access
    Effect of herbicides of cell division sterility and yield in rice
    (Division of Agricultural Botany, College of Agriculture, Vellayani, 1981) Kishore Kumar, K; KAU; Mercy, S T
    Herbicides have become a very important tool for weed control and research in this line has been progressing ever since their invention. Studies on the possible damages which herbicides cause at the chromosomal level have been undertaken under laboratory conditions by many workers. But only a few studies have been on this aspect under field conditions. This study was done with the aim of finding the extent of chromosomal aberrations and consequent deterioration of yield attributes in rice caused by the application of five selective herbicides. Observations on the herbicidal influence on weed population have also been taken. From this study it has been found that herbicides do cause chromosomal changes during cell division. Pollen mother cell studies revealed that highest number of chromosomal abnormalities occur in 2,4-D and nitrofen treatments when applied at a dose of 1kg and 1.5 kg a.i. per hectare, eighteen days after transplanting. Such abnormalities caused pollen sterilityand consequent spikelet sterility leading to reduction in yield . These parameters showed significant positive correlation.
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    ThesisItemOpen Access
    Induction of mutations in cowpea (Vigna unguiculata (L.) Walp.)
    (Department of Agricultural Botany, College of Agriculture, Vellayani, 1980) Sunny, K Oommen; KAU; Gopimony, R
    Studies were undertaken to obtain precise information on the effects of six doses of gamma rays (5-30 krads) and seven concentrations of ethyl methanesulphonate (0.1-0.7 per cent) in cowpea, using the variety ' New Era'. The effectiveness and efficiency of different doses of the two mutagens in inducing chlorophyll mutations were estimated. (1) The germination of cowpea seeds was not affected by green rays even at the highest dose employed , whereas ethyl methanesulphonate inhibited germination and the reduction in percentage was progressive with increasing doses. (2) The survival of plants based on the number of seeds sown was reduced by both mutagens. Post germination mortality occured to a certain degree with gamma irrediation, whereas it did not occur to any considerable extent with ethyl methanesulphonate treatment. (3) A differential effect on the growth of shoot and that of root was observed with both mutagens in the present study. The growth inhibition was more for the shoot with gamma rays ,while ethyl methanesulphonate produced a higher degree of inhibition for the growth of root than for shoot.
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    ThesisItemOpen Access
    Selection parameters in tapioca (Manihot esculenta Crantz)
    (Department of Agricultural Botany, College of Agriculture, Vellayani, 1980) Radhakrishnan, V V; KAU; Gopakumar, K
    During a biometrical study conducted on 20 divergent types of tapioca (Manihot esculenta Crantz) in the premises of Central Tuber Crops Research Institute at Trivandrum, as a postgraduate programme of the Kerala Agricultural University, useful informations on the selection parameters become available. Accordingly, it was found that harvest index should be the best reliable criterion for effecting selection in favour of a desirable genotype from among others in a genetically heterogenic base population. Further, it is proposed that potentially high tuber yielders in the crop could be identified among relatively short statured ones with more number of large sized leaves that have become completely developed sufficiently early during development of the shoot. In addition , a tendency for relatively more number of leaves to become abscissed towards the time of harvest should also be considered as a positive sign of high tuber yield
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    ThesisItemOpen Access
    Selection index in horse gram (Dolichos biflorus L.)
    (Department of Agricultural Botany, College of Agriculture, Vellayani, 1980) Suraiya, D; KAU; Mercy, S T
    The present biometric study was carried out in the College of Agriculture, Vellayani during the year 1979-80 with fifteen varieties of horse gram (Doliches biflorus L.) to formulate a suitable selection index for yield. The observation plants were studied individually for the following characters. (1) Seed yield per plant (2) Number of pods per plant (3) Number of seeds per pod (4) 100-seed weight (5) Pod length (6) Days to 500 flowering (7) Height of plant (8) Number of branches (9) Days to maturity (duration). The data obtained in the study were subjected to statistical analysis viz. estimates of mean for all the different varieties, analysis of variance in respect of the nine selected characters, estimates of components of variances, genotype, environmental and phenotypic coefficients of variations, heritability, genetic advance and studies of discriminant function and path coefficient analysis.
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    ThesisItemOpen Access
    Formulation of a key for identification of the different types of pepper, Piper nigrum L.
    (Department of Agricultural Botany, College of Horticulture, Vellanikkara, 1982) Kanakamany, M T; KAU; Luckins, C Babu
    The studies reported herein were carried out in the Department of Agricultural Botany, College of Horticulture, Vellanikkara, during the year 1980-82 with a view to formulating a key for identification of different varieties of pepper. From the germ plasm collection maintained in the Pepper Research Scheme of the College, 45 types of uniform age were earmarked. Observations on twentyeight quantitative and seventeen qualitative characters were recorded from all the fortyfive types and the variability among the types was assessed. The study revealed that the material was highly variable with reference to many of the characters.
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    ThesisItemOpen Access
    Biometrical studies in banana
    (Department of Agricultural Botany, College of Horticulture, Vellanikkara, 1982) Rosamma, C A; KAU; Narayanan Namboodiri, K M
    Studies were undertaken with forty eight banana varieties belonging to five different genomic groups at the Banana Research Station, Kannara and Department of Agricultural Botany, College of Horticulture, Vellanikkara during 1981-82 to estimate the extent of genetic variability, association among the selected characters and its partition into direct and indirect effects through path coefficient analysis. Selection indices were worked out to estimate the efficiency of selection through discriminant function over straight selection or vice versa.
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    ThesisItemOpen Access
    IC divergence in coconut
    (Department of Agricultural Botany, College of Horticulture, Vellanikkara, 1982) Balakrishnan, P C; KAU; Narayanan Namboodiri, K M
    A study was conducted at the Regional Agricultural Research Station, Pilicode and in the College of Horticulture, Vellanikkara during 1981-82 with the objectives of assessing the extent of variability present in the 24 cultivars of coconut maintained in the germplasm collection at Pilicode and to assess their genetic divergence using Mahalanobis D2 statistic. All the 24 cultivars were planted during 1924-25, and hence were of the same age group and were receiving the same management practices. Observations on 17 economic characters were recorded from 120 palms at the rate of 5 palms per cultivar. Four observations at quarterly intervals were recorded during the 12 month period of study. The data were subjected to relevant statistical analyses and the results were interpreted.