EFFECTS OF FOLIAR APPLICATION OF MEGAFOL ON YIELD, FRUIT QUALITY AND WATER USEEFFICIENCY OF TOMATO CV. RIO GRANDE UNDER WATER DEFICIT STRESS

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ESFAHANI ZAHRA; BARZEGAR TAHER; GHAHREMANI ZAHRA; Nikbakht Jafar

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Journal: JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE) Year:2018 | Volume:19 | Issue:4 Page(s): 995-1009

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Title

EFFECTS OF FOLIAR APPLICATION OF MEGAFOL ON YIELD, FRUIT QUALITY AND WATER USEEFFICIENCY OF TOMATO CV. RIO GRANDE UNDER WATER DEFICIT STRESS

Author(s)

ESFAHANI ZAHRA | BARZEGAR TAHER | GHAHREMANI ZAHRA | Nikbakht Jafar | Issue Writer Certificate

Keywords

FRUIT FIRMNESSQ1

FRUIT WEIGHTQ2

LYCOPENEQ2

TOTAL SOLUBLE SOLIDSQ1

VITAMIN CQ2

Abstract

In order to study the effect of water deficit stress and foliar spray of Megafol on yield, fruit quality andwater use efficiency (WUE) of tomato cv. Rio Grande, an experiment was carried out in a split plot basedon randomized complete block design with three replications in Research Filed at the University ofZanjan, Iran in 2015. Treatments consisted arrangement of three irrigation levels (starting irrigation at100, 75 and 50% ETc (crop evapotranspiration)) and four levels (0, 1, 2 and 3 ml/L) of Megafol. Resultsshowed significant effects of water deficit stress on yield, fruit quality, and WUE. Megafol treatmentshowed significant effects on yield, FRUIT FIRMNESS, LYCOPENE content, and WUE. The highest total solublesolids (2. 41%) and titratable acidity (TA) (2. 09) was found at 50% ETc irrigation treatment. Foliarapplication of 2 ml/L megafol showed the highest value of TSS (2. 29%), TA (1. 97%), LYCOPENE (0. 83g/l), fruit per plant (37. 94), FRUIT WEIGHT (59. 32 g) and WUE (21. 78 kg/m3). The interaction effect ofirrigation by foliar treatments had a significant effect on plant yield, fruits number per plant and TA. Themaximum fruit number (51. 73) and plant yield (3278. 43 g) was obtained by application of 2 ml/LMegafol under 100% ETc irrigation. Also, the highest TA was achieved in 1 ml/L Megafol and 50% ETcirrigation. According to the results, foliar application of 2 ml/l Megafol improved fruit yield under normalirrigation and deficit water stress and resulted in 16% increase in WUE. Irrigation at 75% ETc level with16% yield reduction, saved 25% of water as compared to 100% ETc treatment.

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APA: Copy

ESFAHANI, ZAHRA, BARZEGAR, TAHER, GHAHREMANI, ZAHRA, & Nikbakht, Jafar. (2018). EFFECTS OF FOLIAR APPLICATION OF MEGAFOL ON YIELD, FRUIT QUALITY AND WATER USEEFFICIENCY OF TOMATO CV. RIO GRANDE UNDER WATER DEFICIT STRESS. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 19(4 ), 995-1009. SID. https://sid.ir/paper/209599/en

Vancouver: Copy

ESFAHANI ZAHRA, BARZEGAR TAHER, GHAHREMANI ZAHRA, Nikbakht Jafar. EFFECTS OF FOLIAR APPLICATION OF MEGAFOL ON YIELD, FRUIT QUALITY AND WATER USEEFFICIENCY OF TOMATO CV. RIO GRANDE UNDER WATER DEFICIT STRESS. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2018;19(4 ):995-1009. Available from: https://sid.ir/paper/209599/en

IEEE: Copy

ZAHRA ESFAHANI, TAHER BARZEGAR, ZAHRA GHAHREMANI, and Jafar Nikbakht, “EFFECTS OF FOLIAR APPLICATION OF MEGAFOL ON YIELD, FRUIT QUALITY AND WATER USEEFFICIENCY OF TOMATO CV. RIO GRANDE UNDER WATER DEFICIT STRESS,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 19, no. 4 , pp. 995–1009, 2018, [Online]. Available: https://sid.ir/paper/209599/en

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