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PhD Thesis: Recent submissions

Now showing items 461-480 of 832

Genetics of resistance to aphids (Aphis craccivora Koch) and utility of line mixtures in cowpea (Vigna unguiculata L. Walp)

Salikutty Joseph (Department of Olericulture, College of Horticulture, Vellanikkara, 1990)

Direct damage caused by aphids by sucking plant sap and indirect damage caused by transmitting many viral diseases are serious havocs in cowpea. The constitutes a formidable obstacle in realisation of its yield potential, ...
Induced mutations in banana var. Nendran

Radha Devi, D S (Department of Agricultural Botany, College of Agriculture, Vellayani, 1990)

The present investigations was carried out in the Department of Agricultural Botany, College of Agriculture, Vellayani during 1985-88 and in the plant tissue culture Laboratory attached to the Department of Plantation ...
Effect of continuous N P K Fertilization on the growth and yield behaviour of coconut with special reference to potash nutrition and its interrelation with other mineral nutrients

Pushpangadan, K (Department of Agronomy, College of Agriculture, Vellayani, 1985)

At the Coconut Research Station , Balaramapuram in Trivandrum District of Kerala State an experiment was laid out in 1964 to assess the growth characters, yield attributes and yield of coconut variety West Coast Tall. The ...
Studies on heterosis and combining abilities with respect to important economic traits in Capsicum annuum, L.

Manikantan Nair, P (Division of Agricultural Botany, College of Agriculture, Vellayani, 1981)

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 ...
Pedologic studies on lateritic catenary sequences occuring in Kerala

Venugopal, V K (Department of Soil Science and Agricultural Chemistry, College of Agriculture, Vellayani, 1980)

Three toposequences were identified at Varkala, Poruvazhy and Kalliaserry in the midland laterite regions of Kerala using soil maps prepared by the Soil Survey Wing of the Department of Agriculture. A systematic study of ...
Development of resistance against banana bract mosaic virus in musa spp. var. grand naine using small interfering RNA (siRNA)

Jadhav Pritam Ramesh (Department of Plant Biotechnology, College of Agriculture, Vellayani, 2019)
Studies on the nodal infection of red rot of sugarcane

Wilson, K I (Faculty of the Post Graduate School, Indian Agricultural Research Institute, New Delhi, 1963)

The reaction of 6 sugarcane varieties to red rot infection through the nodal region caused by Colletotrichum falcatum Went was studied. Cane varieties Co. 445, Co. 331, Co. 312 and Co. 1181 were found to be susceptible ...
Evaluation of propagation techniques and rootstock studies of mango (Mangifera indica L.)

Reshma, U R (Department of Pomology and Floriculture College of Agriculture, Vellayani, 2019)
Carbon: nitrogen dynamics in acid sulphate and acid saline rice soils of Kerala

Irene Elizabeth John (Department of Soil Science and Agricultural Chemistry, Vellanikkara, 2019)

The present study was undertaken to unravel the chemistry of Carbon: Nitrogen dynamics in submerged acid sulphate and acid saline soils, to identify the labile fractions of these elements contributing to soil fertility and ...
Breeding cowpea (Vigna unguiculata (L.) Walp.) for resistance to spotted pod borer (Maruca vitrata Fab.)

Ambavane Ajinkya Rajendra (Department of Plant Breeding and Genetics, Vellanikkara, 2018)
Study of differential adoption of improved farm practices in relation to reference group influence and community norms

Sankaran Potti, V S (Faculty of the Post Graduate School, Indian Agricultural Research Institute, New Delhi, 1966)

This research study, entitled "A study of differential adoption of improved farm practices in relation to reference group influence and community norms" was conducted during the period 1964-1965 in Khanjawala block in the ...
Herbicide mixtures for weed management in direct seeded puddled rice (Oryza sativa L.)

Sheeja K Raj (Department of Agronomy,College of Agriculture, Vellayani, 2016)
Profiling bioactive compounds and nutrients in jackfruit (artocarpus heterophyllus Lam.) and developing a jackfruit based textured vegetable protein

Anila, H L (Department of Community Science, College of Agriculture, Vellayani, 2018)
Collection and evaluation of marigold (Tagetes spp.) genotypes for humid tropics

Shajma Nafeesa Basheer (Department of Pomology and Floriculture, College of Agriculture, Vellayani, 2017)

The present study entitled ‘Collection and evaluation of marigold (Tagetes spp.) genotypes for humid tropics was conducted in the Department of Pomology and Floriculture, College of Agriculture, Vellayani during 2012-2015, ...
Indicators of sustainable agricultural development: a multi-variable analysis among self help groups of "kudumbashree mission" in Thiruvananthapuram district.

Chinchu, V S (Department of Agricultural Extension, College of Agriculture, vellayani, 2016)
Strain evaluation and production technology of shittake mushroom ( Lentinula edodes ( Berk. ) pegler)

Deepa Rani, C V (Department of Plant Pathology, College of Agriculture, Vellayani, 2016)

The present investigation on "Strain evaluation and production technology of Shiitake mushroom (Lentinula edodes (Berk.) Pegler' was conducted at Department of Plant Pathology, College of Agriculture, Vellayani, ...
Development of diagnosis and recommendation integrated system (DRIS) in black pepper (Piper nigrum L.) in relation to yield and quality characteristics

Sreekumaran, V (Department of Agronomy, College of Horticulture, Vellanikkara, 1998)
Genetic analysis of seed dormancy and productivity in groundnut (Arachis hypogaea L.)

Tessy Joseph (Department of Plant Breeding and Genetics, College of Horticulture, Vellanikkara, 1997)

Investigations on genetic analysis of seed dormancy and productivity in groundnut (Arachis hypogaea L.) were carried out in the Department of Plant Breeding and Genetics, College of Horticulture, Vellanikkara from 1992-95. ...
Status, availability and transformation of magnesium in acid soils of Kerala

Prema, D (Department of Soil Science and Agricultural Chemistry, College of Horticulture, Vellanikkara, 1992)

The investigation consisted of four parts, namely (1) magnesium status of soils in Kerala (2) evaluation of laboratory indices of Mg availability (3) transformation of applied Mg in soil and (4) pattern of Mg uptake by ...
Evaluation for processing characteristics and their expression in a bacterial wilt resistant genetic background in tomato

Alice Kurian (Department of Processing Technology, College of Horticulture, Vellanikkara, 1990)

The present study was undertaken to identify ideal processing types suitable for ketchup and paste making and associated shelf life of ketchup. The prospects of growing these processing types are precarious in Kerala, ...

Now showing items 461-480 of 832

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