INCIDENCE OF MATURITY STAGE ON TOMATO (SOLANUM LYCOPERSICUM L.) FRUIT QUALITY

2009 ◽  
pp. 229-234 ◽  
Author(s):  
F. Casierra-Posada ◽  
O.E. Aguilar-Avendaño
2020 ◽  
Vol 47 (6) ◽  
pp. 4145-4153 ◽  
Author(s):  
Mostapha Maach ◽  
Mourad Baghour ◽  
Mustapha Akodad ◽  
Francisco Javier Gálvez ◽  
María Elena Sánchez ◽  
...  

Author(s):  
Delfina Salinas-Vargas ◽  
María de los Ángeles Maldonado-Peralta ◽  
Adelaido Rafael Rojas-Garcia ◽  
Andrés León-Villanueva ◽  
Perpetuo Álvarez-Vázquez ◽  
...  

Background and Objectives: Water scarcity is limiting for tomato (Solanum lycopersicum L) production, due to its sensitive to drought in the different phases of development, so irrigation should be done in an optimal way; because of this, the objective was to evaluate four levels of irrigation in greenhouse tomato varieties. Methods: A completely randomized experimental design with factorial arrangement was used and various agronomic variables, fruit quality and biomass were measured as response variables. Results: Tomatoes were significantly affected (P?0.05) by variety factors (V), irrigation (R), and their interaction. 100% of variety P presented fruits of greater weight (122 g); while weight decreased to 84, 90, 34 and 18 g when reducing water up to 25%, in varieties Cid, P, E and C, respectively. However, in terms of yield and leaf area, 100% of the Cid variety presented the highest values, around 3.3 kg/plant and 8.6 m-2. Conclusions: Variety c was tolerant to water stress and also does not present apical rotting (calcium deficiency) in the fruit.


2021 ◽  
Vol 6 (1) ◽  
pp. 001-008
Author(s):  
Memnune Şengül ◽  
Yasemin Kuşlu ◽  
Melek Zor ◽  
Bilal Yılmaz

The purpose of this study was to investigate the effect of deficit irrigation applications on the chemical compounds and mineral contents of tomatoes. In the study, a tomato (Solanum lycopersicum L) hybrid "Nehir F1" was grown in a greenhouse that had a natural light, heating and ventilation system and was covered with polycarbonate material. The tomatoes were irrigated every three days by applying 60% (T1), 80% (T2), 100% (T3) and 120% (T4) of the evaporation value after reading and determining it from the reduced evaporation pan. The tomatoes were harvested at the red-ripe maturity stage and analyses were performed. As a result of the study a total of 60 compounds were determined in the tomato samples by using Gas chromatography/Mass Spectrometer system. The most abundant compounds in terms of both amount and variety in the tomatoes were identified as ketones, sugars and fatty acid esters. Furthermore, the mineral content of the tomatoes changed according to the irrigation application. K, Mg, P, Ca and Fe were accumulated in the all tomatoes samples.


2021 ◽  
Vol 21 (No 1) ◽  
Author(s):  
Vipul Pratap Singh ◽  
D. P. Singh ◽  
Bankey Lal ◽  
Mahendra Kumar Yadav ◽  
Mahendra Kumar Yadav ◽  
...  

The present investigation was carried out during the rabi season 2018-19 and 2019-20 at Department of Vegetable Science Chandra Shekhar Azad University of Agriculture & Technology Kanpur U.P (208024) India. Experiment was laid out in randomized block design (RBD) with eleven treatments in replicated three times consist of two levels of each micronutrients and growth regulators with control i.e. T0 : Control, T1 : GA3 50ppm, T2 : GA3 100ppm, T3 : NAA 50ppm, T4 : NAA 100ppm, T5 : ZnSO4 0.5%, T6 : ZnSO4 1%, T7 : Boric acid 50ppm, T8 : Boric acid 100ppm, T9 : FeSO4 100ppm and T10: FeSO4 150ppm. Results revealed that there were significant differences between themicronutrients and PGR in tomato fruit quality. From the result it was observed that concentration of GA3 100ppm showed significant effect of fruit quality in tomato Azad-T6


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