2. Institutional Publications

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Author: search.filters.author.Devadas, V S

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    Early performance of mandarin oranges (Citrus reticulata Blanco.) of different rootstocks in the submontane region of Wywad in Kerala
    (Kerala Agricultural University, 1988) Devadas, V S; Jessy M Kuriakose; Kannan, K
    Twenty stionic combinations involving scions of five mandarin orange varieties and four rootstocks were evaluated for their performance under the agroclimatic conditions of Wynad, Kerala since 1980. The first six years study showed that Coorg mandarin on Rough lemon was the most vigorous combination in respect of all the biometric characters recorded. Rough lemon was the most invigorating rootstock, while Trifoliate stock induced dwarfness of scions. Though it was too prematureto assess the yield potential, data recorded in 1984, 1985 and 1986 showed that Coorg mandarin on Rough lemon was comparatively higher in yield than most other combinations. With regard to quality also, it was on par with other combinations. Further studies will be continued.
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    Arka jyothi - a promising watermelon hybrid
    (Kerala Agricultural University, 1993) Abdul Vahab, M; Devadas, V S; Peter, K V
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    Evaluation of selected varieties of okra for yield and resistance to yellow vein mosaic
    (Kerala Agricultural University, 1993) Sally K Mathew; Abdul Vahab, M; Devadas, V S; Anitha Cherian
    Seven selected varieties of okra were evaluated foryield and YVMV disease resistance under field conditions for three years at the Department of Olericulture, College of Horticulture, Vellanikkara, Trichur. Considering yield and disease resistance, the performances of the varieties Selection-4 and Arka Anamika were promising.
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    Performance evaluation of certain rice cultivars
    (Kerala Agricultural University, 1993) Susamma P George; Devadas, V S; Sansamma George; Pillai, G R
    Experiments were conducted with 12 rice cultivars for three consecutive years from 1984-85 to 1987-88 during kharif and rabi seasons in randomised block design. Pooled analysis of the data for kharif and rabi seasons indicated that MO 4 registered the highest grain yield in the kharif (5068 kg/ha) and rabi (4891 kg/ha) crop seasons. Hence MO 4 can be recommended for cultivation in Wynad in both the seasons. Edavaka was also found to be a promising cultivar when grain yield, straw yield and comparatively shorter duration were considered and hence requires further studies.
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    Yield, quality and shelf life of bittergourd (Momordica Charantia Linn.) fruits as influenced by plant growth regulators
    (Kerala Agricultural University, 1994) Veenakumari, D; Raju, V K; Devadas, V S
    Effect of pre-harvest application of GA (200 and 300 ppm), CCC (250 and 500 ppm) and MH (500 and 1000 ppm) as compared to a no-spray control, on growth, quality components and storage life of hittergourd fruits of MC 84 was studied during 1992. The chemicals were applied twice; 10 days after the first fruit set and 15 days after the first application. GA at 300 ppm produced the highest yield, length and girth of fruits which was followed by GA 200 ppm. Moisture content was maximum in fruits obtained from plants treated with CCC at 250 ppm, whereas the highest ascorbic acid content was in fruits of GA (200 ppm) treated plants. Maximum shelf-life of fruits was observed with MH (500 ppm) spray.
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    Evaluation - cabbage varieties for the high range zone of Kerala
    (Kerala Agricultural University, 1996) Gopalakrishnan, T R; Varghese, C A; Giridharan, M P; Devadas, V S
    Evaluation of cabbage varieties for five years at the Regional Agricultural Research Station, Ambalavayal resulted in the identification of a variety "September" adaptable to high altitude zones of Kerala. September is characterised by flat head with medium lightness having an average weight of 1.12 kg and diameter of 17 cm. Under the mild subtropical climate during winter, the establishment of plants and heading ability of the variety are excellent.