Effect of salicylic and ascorbic acids in growth, production of tomato plant and resistance increasing against Leaf Miner Tuta absoluta in plastic green house
Abstract
This research was conducted in plastic house in Miaar Shaker village (Tartous) in agriculture season (2020-2021) to study the effect of foliar spray with salicylic and ascorbic acids in production and some characteristics of Tomato fruit in green house. The study content 5 treatments with 4 replication by using salicylic and ascorbic acid with concentrations 200 and 400ppm with control (without spray) by using randomized complete design.
The results showed a significant increase in growth and productivity indicators when spraying with salicylic and ascorbic acids with untreated control. One plant production gave when using salicylic acid at concentration 400ppm (4.15kg/plant) while one plant production gave when using ascorbic acid at concentration 400ppm (3.92kg/plant). Using salicylic and ascorbic acids at concentration 200ppm gave better results with significant different to control which is(3.83 kg/plant, 3.91 kg/plant), in addition to improving the quality specifications of the fruits, including indicators (solidity fruits and thickness of pericarp).
The use of salicylic and ascorbic acids reduce the damage resulting from infestation of Tuta absoluta by reducing the percentage of infested leaflets and fruits on tomato compared with control, so we get the positive effect to using salicylic and ascorbic acids of quality, production and resistance increasing against Tuta absoluta of tomato plant in plastic greenhouse.
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