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ThesisItem Open Access Management of foot rot of black pepper (Piper nigrum L.) with mycoinoculant enriched vermicompost(Department of Plant Pathology, College of Agriculture, Vellayani, 2002) Divya, S; Sasikumar NairThe study, "Management of foot rot of black pepper (Piper nigrum L.) with mycoinoculant enriched vermicompost" was done at the Department of Plant Pathology, College of Agriculture, Veliayani to explore the possibility of using vermicornpost as a carrier material for mass production of biocontrol agents and to test its efficacy in controlling the disease. The talc based inoculum of Trichoderma harzianum and soil based granular inoculum of Glomus Jasciculatum were mass produced in vermicompost either alone or in combination with farmyard manure or neem cake in the ratio 1 : 1 and 5 : 1 respectively and the efficacy was compared with the standard carrier material of FYM + neem cake (10 : 1). The population of T. harzianum 15 DAI was maximum in the treatment combination of VC + NC (5 : 1). However, the influence of these carrier materials on percentage of mycorrhizal infection 50 DAI was not statistically significant. Vermicompost as a carrier material for biocontrol agents was further tested in pepper var. Karimunda inoculated with P. capsici. Carrier materials as such had no significant influence on disease control. Reduction in foliar infection, disease index, stem infection and percentage mortality was observed in treatments with biocontrol agents. Disease control was maximum with the treatments involving T. harzianum while plant growth promotion was maximum with G. Jasciculatum. The physiological changes in pepper plants after inoculation with P. capsici and biocontrol agents were studied. The phenol and OD phenol content was more in pathogen inoculated plants. The defence related enzymes peroxidase, polyphenol oxidase and phenylalanine ammonia lyase were enhanced with pathogen inoculation as well as with the application of biocontrol agents. SDS-PAGE analysis of proteins with samples extracted from plants one day after inoculation of pathogen showed the presence of two novel proteins with molecular . weights of 78 kDa and 28 kDa in diseased samples which were absent in treatments without pathogen and also in plants treated with COC.ThesisItem Open Access Developing a framework of social audit for evaluating projects on climate resilient agriculture in Malawi(Department of Agriculture Extension,College of Agriculture, Vellanikkara, 2020) Joseph Timothy Before; KAU; Jiju P AlexSocial audit as a tool for evaluating development projects and has been found to be efficient for appraising projects in various sectors like health, natural resource management, agriculture, community development, water sanitation and hygiene, land conservation etc. In spite of the interventions by governments and non-governmental organization to ensure food security, agricultural development projects in most countries around the world had been affected with number of issues including climate change, corruption, lack of participatory evaluation mechanism as well as poor involvement of communities in decision making processes. The scenario is not different in Malawi either, specifically Phalombe district which faces a number of climate change problems like floods and droughts throughout the year. The present study which followed expo-facto design was undertaken to assess the effectiveness of projects on climate resilient agriculture that are implemented in Phalombe, Malawi. The study analyzed the outcomes, constraints and impact of selected projects and evolved a framework of social audit for evaluating such projects. Data was analyzed using Statistical Package for Social Science (SPSS) and the results have been presented quantitatively and descriptively. A total of 120 respondents from three Extension Planning Areas of Tamani, Kasongo and Mpinda were purposively selected for the study since they had participated in climate resilient agriculture projects. The sample also included 15 staff from the three NGOs that were selected for the study. It was found that 96 female farmers (78.3%) and 24 males (21.7%) had participated in the study which showed that more women were taking part in climate resilient agriculture projects compared to men. The research also revealed that manypeople who participated in climate resilient agriculture projects were married and most of them had education upto primary school level (84.2%). Secondary level education was found to have been acquired by 8.3% of the total respondents. Lower level of education was found to contribute to poor demanding of transparency and accountability from NGOs. Assessment of the agreement of respondents on severity of constraints showed that Kendall’s coefficient of concordance W= 0.5, significant at 1 per cent which proved that there was high degree of concordance among the 120 respondents in ranking the constraints according to their importance. The major constraints identified by the beneficiaries were: drying up of water resources, drought/ flood, small quantity of food, late delivery of inputs and poor involvement in decision making The results also showed that both beneficiaries and stakeholders agreed that AEDO and AEDC, NGO staff, Village Headman, Lead farmer, VCPC, ACPC, VDC, Community Policing, ASHP and Community Development Assistant should be part of social audit process. The components identified for social audit of climate resilient agriculture included training programmes, muster rolls, materials procured, input distribution, cash distribution and funding. Based on the study it could be proposed that all actors mentioned in the study should be part of the process. The framework of social audit formulated as part of the study suggested the important aspects that should be subjected to social audit. This would help devise efficient ways of conducting social audit of climate resilient projects in Malawi as it had been evolved through a participatory process involving all the stakeholders of climate resilient development projects in agricultural sector.ThesisItem Open Access Estimation of glacier stored water in bhaga basin, Himalayas(Academy of Climate Change Education and Research, Vellanikkara, 2020) Gopika, J S; KAU; Nameer, P OThesisItem Open Access Climate-forest fire linkages in selected protected areas in Kerala(Academy of Climate Change Education and Research, Vellanikkara, 2020) Sreedevi, K; KAU; Gopakumar, SThesisItem Open Access Long - term changes in the Indo-Sri Lankan Upwelling System, a perspective to study the impact of climate change in a tropical ocean(Academy of Climate Change Education and Research, Vellanikkara, 2020) Parvathy, V S; KAU; Muraleedharan, K RThesisItem Open Access Vulnerability and adaptation study of women exposed to extreme weather events in Thrissur district(Academy of Climate Change Education and Research, Vellanikkara, 2020) Aiswarya, T Pavanan; KAU; Chitra, ParayilThesisItem Open Access Flood frequency analysis and modelling of flood using HEC-HMS for a river basin: a case study(Department of Irrigation and Drainage Engineering, Kelappaji Collge of Agricultural Engineering and Technology, Tavanur, 2020) Riyola, George; KAU; Asha, JosephMeenachil river basin, located in southern part of Kerala, is an area frequently liable to flood. The area is predominant with agricultural land and falls under the tropical humid zone, where water resources planning and management is necessary for irrigation scheduling, flood control and design of various engineering structures. In view of the importance of water resources management especially in this humid region, it is necessary to understand the rainfall-runoff relationship along with its land characteristics. HEC-HMS model which is widely used rainfall-runoff modelling was chosen for the simulation of watershed responses and generation of flood hydrographs of Meenachil sub basin. The simulated runoff is useful for well-planned programmes in water resource management and future prediction of runoff for flood mitigation strategies in the catchment. Hence, an attempt was made to conduct flood frequency analysis for predicting the magnitude of flood for different return periods and to calibrate and validate the HEC-HMS model for simulating the flood hydrographs of Meenachil sub basin. Flood frequency analysis was carried out using annual maximum discharge data for 34 years (1985-2018) using HEC-SSP software. The HEC-HMS model for the sub basin was developed using SCS-UH, SCS-CN and Muskingum methods to find out the loss rate, runoff transformation and routing of flood respectively. Flood frequency analysis clearly indicated the good capability of the Gumbel and Log-Pearson Type III distribution function to predict flood magnitudes of the river flow in the sub basin of Meenachil River. Test statistic values of Chi-Square and Kolmogorov-Smirnov test showed the best fit of both the distributions for the basin. HEC-HMS model of the sub basin was developed with good accuracy. The performance indices of the model NSE and R² were obtained above 0.7. The Error in Peak Flow and Error in Volume were figured below 20% where as RSR was found 0.5 and below. All these values indicated satisfactory performance of HEC-HMS model simulation both in calibration and validation. The close agreement of simulated stream flow and observed stream flow indicated that the model was able to simulate flood hydrograph and present credible results for the sub basin.ThesisItem Open Access Extreme enso (EI Nino Southern Oscillation) events and monsoon variability over India(Academy of Climate Change Education and Research, Vellanikkara, 2020) Athira, K S; KAU; Nameer, P OThesisItem Open Access Potential impact of climate change on surface runoff and sediment yield in a watershed of lesser Himalayas(Academy of Climate Change Education and Research, Vellanikkara, 2020) Sooryamol, K R; KAU; Mary Regina, F