Effects of Moisture Stress on Selected Biochemical Parameters and Yield of Three Tomato (Solarium Iycopersicum Mill.) Cultivars during the Flowering Stage

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dc.contributor.authorBeham, M.S.K.
dc.contributor.authorMahendran, S.
dc.contributor.authorPuvanitha, S.
dc.date.accessioned2019-07-01T08:25:10Z
dc.date.available2019-07-01T08:25:10Z
dc.date.issued2018
dc.description.abstractThere is a need to utilize water efficiently and effectively because water availability is scarce in the Dry Zone of Sri Lanka. Tomato is grown in the Batticaloa district to a limited extent. The yield is low because growth of tomato is highly affected by moisture and heat stresses especially during the Yala season. This experiment was conducted in a farmer's field near to the Eastern University of Sri Lanka at Batticaloa district. Investigations were carried out to determine the effect of moisture stress on selected biochemical parameters of three tomato cultivars viz. `Roma', `Thilina' and `KC1' during the flowering stage and to find out the most suitable tomato cultivar which resists to drought without much yield reduction. This experiment was laid out in the Two Factor Factorial Randomized Complete Block Design with six treatments and four replications. Moisture stress was imposed for a period of six days for the treated plants during the flowering stage. The control plants were irrigated daily to the Field Capacity. Free proline and lycopene contents were significantly higher and chlorophyll content was significantly lower in the stressed than that of control treatments. The `KC1' tomato cultivar showed the highest amount of free proline (0.56 mg cm-2) and lycopene (73.6 mg g') contents and lowest amount of chlorophyll (0.28 mg g-I) content than Roma (0.54 mg g-1) and Thilina (0.37 mg g') cultivars. Moisture stress significantly (p<0.05) reduced the yield of `KC1', 'Roma' and `Thilina' tomato cultivars. The highest yield (5252 kg ha") was obtained in the `KC1' with low (14%) yield reduction and the lowest yield (4080 kg ha-1) was found in `Thilina' with high (31%) yield reduction under moisture stress. From these results it could be stated that 'KC 1' was able to resist drought better than the rest of the tomato cultivars and produced the yield well under this condition. Hence, `KC1' tomato cultivar could be suggested for tomato growers in the drought prone areas in Batticaloa District.en_US
dc.identifier.other9789550481194
dc.identifier.urihttp://erepo.lib.uwu.ac.lk/bitstream/handle/123456789/1356/35-2018-Effects%20of%20Moisture%20Stress%20on%20Selected%20Biochemical%20Parameters%20and.pdf?sequence=1&isAllowed=y
dc.language.isoenen_US
dc.publisherUva Wellassa University of Sri Lankaen_US
dc.subjectAnimal Sciencesen_US
dc.subjectAgricultureen_US
dc.subjectAnimal Productionen_US
dc.subjectAnimal Production Technologyen_US
dc.titleEffects of Moisture Stress on Selected Biochemical Parameters and Yield of Three Tomato (Solarium Iycopersicum Mill.) Cultivars during the Flowering Stageen_US
dc.title.alternativeInternational Research Conference 2018en_US
dc.typeOtheren_US
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International Research Symposium of UWU-2018