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Item Variability in selected varieties of cowpea Vigna unguiculata Walp(Kerala Agricultural University, 1980) Ramachandran, C; Peter, K V; Gopalakrishnan, P KItem Variability in some chemical constituents of pumpkin Cucurbita moschata poir.(Kerala Agricultural University, 1980) Gopalakrishnan, R; Gopalakrishnan, P K; Peter, K VSignificant variability was observed for carotene, protein, phosphorus, calcium and T S S contents of fruits in pumpkin. Maximum variability associated with highest heritability and genetic advance was observed for carotene content of fruit and there is good scope for improvement of this character in pumpkin Carotene content was positively correlated with potassium content of fruit. Path analysis indicated that potassium content had maximum direct effect on carotene content of fruits.Item Response of chilli genotypes to ethephon whole plant sprays(Kerala Agricultural University, 1985) Indira, P; Gopalakrishnan, P K; Peter, K VResponse of chilli genotypes to 4 levels of ethephon (0,100, 200 and 300 ppm) was studied during May-December 1981 and October-March 1981-82 seasons. The 4 levels of ethephon made significant differences for days to first fruitset and days to first red chilli harvest. Yield increased with ethephon application though it was not statistically significant. Plant stature was affected resulting in dwarf plant habit. Differential response to ethephon application was recorded only for days to first fruitset. Ethephon has only a limited use in chilli.Item New record of Leptoglossus Australis (Fabr) as a pest of Bittergourd in Kerala(Kerala Agricultural University, 1986) Lyla, K R; Joy, P J; Peter, K VItem Spot-planting technique to confirm host reaction to bacterial wilt in tomato(Kerala Agricultural University, 1986) Narayanankutty, C; Peter, K VItem Genetic distance among five botanical varieties of Cucumis melo(Kerala Agricultural University, 1986) Subha Mary Mathew; Gopalakrishnan, P K; Peter, K VItem Genetic distance and heterosis in interspecific crosses of capsicum(Kerala Agricultural University, 1986) Krishnakumari, K; Peter, K VSignificant heterosis was observed for plant height, days to flower, days to first harvest, days to maturity, fruits/plant, green fruit yield/plant, seeds/fruit and seed yield/plant in 10 interspecific F1 hybrids of chilli. Jwala and Green Chuna were the farthest while K2 and Ornamental Type, the nearest. Maximum oleoresin was in Jwala (16.83%) and in the hybrids, Jwala x Ornamental Type (16.6%).Item Additional source of resistance to bacterial wilt in brinjal(Kerala Agricultural University, 1986) Jessykutty, P C; Peter, K VItem Evaluation for host reaction to Aphis craccivora Koch in cowpea(Kerala Agricultural University, 1986) Sulochana, K A; Peter, K VThe study indicated TVU 1889 as a source of resistance to Aphis craccivora and could be used in breeding programmes.Item Effect of ethephon on earliness, vegetative characters, fruit characters and fruit yield in cucumis genotypes(Kerala Agricultural University, 1986) Sadhan Kumar, P G; Peter, K VIn twenty Cucumis genotypes, whole plant sprays with 3 levels of ethephon produced significant reduction in length of main vine, number of nodes to first female flower and first fruit, seed number and flesh thickness. Number of nodes to first male flower and number of primary branches per plant increased significantly. The effect of ethephon was significant for flesh thickness and fruit yield per plant. Ethephon had no significant effect on fruit length, weight and volume.
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