PG Thesis: Recent submissions

  • Control of vegetable pests using chitin synthesis inhibitors 
    Rajapadmanabhan Vivek, A (Department of Entomology, College of Agriculture, Vellayani, 1983)
    The dose-effect relationship of two chitin synthesis inhibitors diflubenzuron and triflumuron against three vegetables pests viz., Sylepta derogata, Epilachna vigintioctopunctata and Psera basalis was assessed in terms of ...
  • General combining ability of selected black pod disease resistant cocoa(Theobroma cacao L.)hybrids 
    Varsha Babu (Department of Plantation Crops, College of Horticulture, Vellanikkara, 2016)
    Cocoa originated in the Amazon riverbasin of South America. The cultivation of cocoa had extended from Mexico to Costa Rica and over the time it had spread to Caribbean and other parts of South America (Wood and Lass» 1985). ...
  • Efficiency of mitigation measures against crop raiding wild animals in Wayanad Wildlife Sanctuary 
    Wahiba Irshad, Humam (Department of Wildlife Science, College of Forestry, Vellanikkara, 2019)
    A field study was conducted to map and document the human-wildlife conflict (HWC) mitigation measures being followed in Wayanad Wildlife Sanctuary and to examine the effectiveness of the various intervention measures ...
  • Development and evaluation of a continuous cacoa pod breaker 
    Srikanth Vankayalapati (Department of Food and Agricultural Process Engineering, Kelappaji College of Agricultural Engineering and Technology, Tavanur, 2016)
    Cocoa {Theobroma cacao) is a commercial plantation crop in India. It is the main raw material in the production of chocolates, cosmetics, health drinks, pharmaceuticals etc. The cocoa beans which are embedded in a ...
  • Insecticide deposits and residues on paddy with reference to volume of spray fluid applied at different growth stages of the crop 
    Thomas Biju Mathew (Department of Entomology, College of Agriculture, Vellayani, 1982)
    A set of experiments were conducted for assessing the optimum volumes of carbaryl suspension required to spray rice at different growth stages of the crop, using a pneumatic knapsack sprayer and a mist blower. The levels ...
  • Study on the impact of national demonstration programme on paddy cultivation in Trichur District 
    Kamarudeen, M (Department of Agricultural Extension, College of Agriculture, Vellayani, 1981)
    The investigation was undertaken in Trichur district, Kerala, to study the impact of National Demonstration Programme in paddy cultivation among the farmers neighbouring to the demonstration plots. The objective of the ...
  • Estimation of genetic parameters in green gram (Phaseolus aureus Roxb.) 
    Presanna Kumari, K T (Department of Agricultural Botany, College of Agriculture, Vellayani, 1980)
    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 ...
  • Development and characterization of natural gum base Nanocomposite 
    Meghana Rose Joseph (Department of Natural Resource Management, College of Forestry,Vellanikkara, 2019)
    Natural gum based bionanocomposite film using babul gum obtained from Vachellia nilotica .L and cellulose nanofibrils (CNF) extracted from bamboo culms via steam explosion cum acid treatment was developed for biomedical ...
  • Seed mycoflora of some vegetables in Kerala 
    Naseema, A (Department of Plant Pathology, College of Agriculture, Vellayani, 1981)
    The survey of the seed mycoflora of vegetable seeds revealed the presence of a number of seed-borne fungi. Storage fungi like Aspergillus flavus, Aspergillus niger Penicillium sp. and Rhizopus stolonifer were found to be ...
  • Cytomorphological and chemical studies on intervarietal crosses of Capsicum annuum, L. 
    Manikantan Nair, P (Division of Agricultural Botany, Agricultural College & Research Institute, Vellayani, 1970)
    1. The cytomorphological and chemical aspects of four F1 hybrids of crosses involving five varieties of Capsicum annuum L. were studied . The variety ' Local blue' which possessed mosaic resistance , prolific bearing habit ...
  • Etiology and control of bacterial leaf blight of rice caused by Xanthomonas oryzae (Uyeda and Ishiyama) Dowson 
    Mary, C A (Department of Plant Pathology, College of Agriculture, Vellayani, 1980)
    The bacterial leaf blight of rice, incited by Xanthomonas oryzae (Syeda and Ishiyama) Dowson is one of the most serious disease of economic importance in India and several other rice growing countries of the world. This ...
  • Etiology of the bacterial wilt of ginger incited by Pseudomonas solanacearum E.F. Smith and its control 
    Marykutty Samuel (Department of Plant Pathology, College of Agriculture, Vellayani, 1980)
    The bacterial wilt of gingerincited by psuedomonas solanacearum E.P. Smith probably the most serious of all the disease recorded on this crop was first reported from India in 1978. The symptoms of the disease include loss ...
  • Integrated control of nematode pests of bhindi with special reference to root-knot nematode 
    Hebsy Bai (Department of Entomology, College of Agriculture, Vellayani, 1981)
    A field experiment was undertaken to ascertain the effect of the treatment with carbofuran and aldicarb treatment of soil, when applied individually and in combinations on the control of the root-knot nematode N. incognita ...
  • Studies on movement and placement of systematic granular insecticides in soil in relation to control of pests of pulses 
    Nanda Kumar, C (Division of Agricultural Entomology, College of Agriculture, Vellayani, 1981)
    The horizontal movement of three systemic granular insecticides phorate, carbofuran and disulfoton in four different types of soils of Kerala viz. sandy, alluvial, red and laterite, was studied by observing the mortality ...
  • Effect of herbicides of cell division sterility and yield in rice 
    Kishore Kumar, K (Division of Agricultural Botany, College of Agriculture, Vellayani, 1981)
    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 ...
  • Control of root-knot nematodes in brinjal 
    Susannamma Kurien (Department of Agricultural Entomology, College of Agriculture, Vellayani, 1980)
    The egg plant (Brinjal) which is one of the most common vegetable crops is highly susceptible to the root-knot nematode Meloidogyne spp. An effective control can often be achieved by the complete elimination of nematodes ...
  • Studies on the cyst nematode of rice in Kerala 
    Usha Kumari, R (Department of Agricultural Entomology, College of Agriculture, Vellayani, 1980)
    The cyst nematode Heterodera cryzioola was observed to be an important pest of rice , affecting the growth and yield of paddy plant . However detailed investigations on this nematode was done earlier. The present study was ...
  • Studies on the effect of varying levels of zinc on the growth and yield of rice 
    Krishnan Namboodiri, K (Department of Soil Science and Agricultural Chemistry, College of Agriculture, Vellayani, 1980)
    A field experiment was conducted in a cultivators field at Edathua (Kuttanad) to study the effect of different levels and methods of zinc application on the growth and yield of rice (var. Jaya). Soil application of 0, 10, ...
  • Induction of mutations in cowpea (Vigna unguiculata (L.) Walp.) 
    Sunny K Oommen (Department of Agricultural Botany, College of Agriculture, Vellayani, 1980)
    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'. ...
  • Selection parameters in tapioca (Manihot esculenta Crantz) 
    Radhakrishnan, V V (Department of Agricultural Botany, College of Agriculture, Vellayani, 1980)
    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 ...

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