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Item Genetic variabiltiy in cowpea(Kerala Agricultural University, 1992) Savithramma, D LItem Effect of phophatic fertilizer application on vesicular-arbuscular mycorrhizal infection in cowpea(Kerala Agricultural University, 1992) Meenakumari, K S; Nair, S KItem Gujarath cowpea 2 (Chharodi 1) - an ideal cowpea variety for intercropping in coconut garden(Kerala Agricultural University, 1993) Sreekumar, S G; Gopinathan Nair, V; Balakrishnan Asan, RComparative yield trials were conducted with nine varieties of cowpea for three years during kharif in the interspaces of coconut garden at the Instructional Farm, Vellayani. Based on the comparative yield trials' result, Gujaralh Cowpea 2 (Chharodi 1) variety of cowpea was selected and advanced to farm trial at seven locations in Thiruvananlhapu ram district during kharif 1989 along with C 152 and local variety. The variety Gujarath Cowpea 2 (Chharodi 1), which recorded a highest grain yield in farm trials was recommended for cultivation in the interspaces of coconut garden in Thiruvananlhapuram district during kharif.Item Response of cowpea genotypes to dates of sowing(Kerala Agricultural University, 1993) Bridgit, T K; Neema, V P; Joy, P PItem Evaluation of cowpea + fodder maize intercropping under varying fertilizer levels in summer rice fallows(Kerala Agricultural University, 1994) Lekha Sreekantan; Sunitha, SItem Response of cowpea to irrigation and phosphorus(Kerala Agricultural University, 1994) Santhakumari, G; Pillai, G R; Kuruvilla Varughese; Jose MathewInvestigations carried out in the rice fallows of the Agronomic Research Station, Chalakudy revealed that grain and green pod yields of cowpoa variety Kanakamani were significantly increased by irrigation and application of phosphorus. Irrigation at critical stages of branching, flowering and pod formation and irrigation at 1W/CPE = 0.75 were better schedules for the production of grain and green pods. The economic optimum dose of phosphorus was worked out to 30.0 and 36.8 kg P2C>5 ha for the production of grain and green pods, respectively.Item Dissipation of endosulfan in cowpea(Kerala Agricultural University, 1997) Naseema Beevi, S; Thomas Biju Mathew; Visalakshi, AIn an experiment to study the dissipation of endosulfan in cowpea pods following application @ 0.07 and 0.14 per cent at flowering and paid formation stage, the residues dissipated below detectable level on 15th day in the lower dose while 0.3 mg kg'1 could be detected in the higher dose. A waiting period of 2.85 and 5.21 days are fixed for the lower and higher dose respectively. Washing of green pods removed 39.78% of the initial deposit while washing followed by cooking removed up to 67.93% in the lower dose.Item Genetic variability, heritability and genetic advance in cowpea (Vigna unguiculata [L.] walp)(Kerala Agricultural University, 1998) Sobha, P P; Abdul Vahah, MGenetic variability studies in thirty one genotypes of vegetable cowpea revealed significant difference for all the characters except primary branches. A wide range of phenotypic coefficient of . variation (7.4 to 56.7) was observed. High genotypic coefficient of variation was observed for pod weight (54.6) and pod yield per plant (53.1). All the characters exhibited high heritability (78% to 97%). Heritability and genetic advance were high for pod weight and yield per plant, which can be relied up on for the effective genetic improvement of cowpea.Item Dissipation of lindane residues in cowpea(Kerala Agricultural University, 1999) Naseema Beevi, S; Thomas Biju Mathew; Sudhanna, K; Nalinakumari