Fruit Set and Yield Enhancement in Tomato (Lycopersicon esculentum Mill.) Using Gibberellic Acid and 2,4-Dichlorophenoxy Acetic Acid Spray
Year: 2015
Type: article
Abstract: High temperature stress in summer season at plastic house is a limiting factor for tomato fruit set and yield.This study was performed to assess the effects of gibberellic acid (GA 3 ) and 2,4-Dichlophenoxy acetic acid (2,4-D) spray on fruit set, yield, and quality of tomato cv.'Adoration'(Enza Zaden Co., Ltd.) under the plastic house in Hwacheon, 2011.Four concentrations (0-, 5-, 10-and 15mg•L -1 ) of GA 3 , and three concentrations (0-, 5-and 10mg•L -1 ) 2,4-D were sprayed in early flowering of tomato in the plastic house, and fruit set, yield and quality characters were observed.The results showed that spray of 10mg•L -1 GA 3 significantly increased the fruit set by 14.2% than unsprayed.The spray of GA 3 significantly increased the marketable fruit number, fruit weight, and yield.The spray of 2,4-D on blossoms significantly affected the fruit set percentage, fruit weight, marketable fruit weight and yield, and the highest fruit set observed as 62.5% in combined spray of GA 3 and 2,4-D at each 5mg•L -1 .Fruit size and total soluble solids significantly varied with the concentrations of GA 3 sprayed.The result indicates that the spray of 10mg•L -1 GA 3 and 5mg•L -1 2,4-D can be more economic and effective to increase the fruit set, and yield in tomato under high temperature condition in plastic house.
Institution: Kangwon National University
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: hybrid
OpenAlex ID: W2155700607