Effect of Macro and Micro-Nutrient Spray on Fruit Yield and Quality of Grape (Vitis Vinifera L.) Cv. Perlette

Usha, K.; Singh, Bhanu Prakash

doi:10.17660/actahortic.2002.594.21

Cited by 18 publications

(13 citation statements)

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“…and decreases in titratable acidity. Additionally, our findings also resembled those of Usha and Singh [ 44 ] and Abou-Zaid and Shaaban [ 45 ], who reported that zinc improved the total soluble solids and reduced the total acidity of grapes.…”

Section: Discussionsupporting

confidence: 90%

Using Zinc Oxide Nanoparticles to Improve the Color and Berry Quality of Table Grapes Cv. Crimson Seedless

El-Nasr

El-Hennawy

Samaan

et al. 2021

Plants

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Producing high-quality table grapes is becoming a challenge in the warmer area of the world due to the global increase in temperature, which negatively affects anthocyanin biosynthesis and other fruit quality attributes. Nanotechnology is a growing field that can be a very useful tool to improve crop productivity and sustainability. The red color is one of the major fruit quality parameters that determine table grape marketability. This study aimed to investigate the role of the zinc element in improving the marketable characteristics of Crimson seedless (Vitis vinifera L.) table grape berries i.e., color, firmness, total soluble solids and sugars; besides its role in activating PAL and SOD enzymatic systems. Additionally, this paper investigated the additive advantages of zinc when applied in nanometric form. Five concentrations of zinc oxide nanoparticles, ZnO NPs (0, 25, 50, 100 and 250 ppm), were compared to zinc oxide in mineral form at a concentration of 250 ppm to investigate their effects on the marketable characteristics of Crimson seedless grape cultivar. The treatments were applied as foliar spray on three-year-old Crimson seedless vines grafted on Richter 110 rootstock grown in one of the major table grape production area in Egypt. The experiment was arranged in completely randomized block design and each vine was sprayed with five letters of the solution. The use of the lowest concentration (25 ppm) of ZnO NPs achieved the highest significant enzyme activity (PAL and SOD). Moreover, the T.S.S, sugars and anthocyanin content in berries increased significantly in association of decreasing acidity. On the other hand, the use of a 50 ppm concentration led to an increase in fruit firmness. Collectively, our data showed that 25 ppm of zinc nanoparticles improved PAL and SOD enzymes activity, improved red coloration in table grape and was more effective than the 250 ppm zinc oxide mineral form.

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Section: Discussionsupporting

confidence: 90%

Using Zinc Oxide Nanoparticles to Improve the Color and Berry Quality of Table Grapes Cv. Crimson Seedless

El-Nasr

El-Hennawy

Samaan

et al. 2021

Plants

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“…The involvement of zinc directly in growth and magnesium indirectly through translocation of food material might be responsible to improve the weight of fruits. These results are in close conformity with the findings of Usha and Singh (2002) in grape Singh et al, (2001) and Singh et al, (2012) There is little information available for pulp/stone ratio of aonla but Singh et al, (2004) reported that spray of urea, magnesium sulphate and zinc sulphate increase the pulp stone ratio of aonla fruit. Zinc and boron improves fruit quality (Brahmhchari et al, 2001;Babu and Singh, 2001;Birendra et al, 2000;Sharma et al, 2005;Kar et al, 2002;Saraswathy et al, 2005;Singh et al, 2008;Ghosh et al, 2009;Lokesh et al, in papaya and Malik et al, 1990 in kinnow mandarin).…”

Section: Resultssupporting

confidence: 89%

Effect of Foliar Feeding of Micro-nutrients on Physico-Chemical Attributes of Aonla (Emblica officinalis Gaertn) cv. Na-7 Under High Density Planting

Mishra¹,

Ram²,

Pandey³

et al. 2017

Int.J.Curr.Microbiol.App.Sci

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“…The significant effect of foliar spraying of Urea may be due to the role of nitrogen in plant cell, the synthesis of protein and enzymes which are important compounds in the synthesis of chlorophyll and cytochrome and their role in the processes of photosynthesis and respiration that lead to increase cell division and elongation (Beniwal et al, 1992;Usha and Singh 2002;Mohammed Abdul-Qader, 2007).The leaf contents of N, P and K increases as a results of Urea spraying, these may be assigned to the role of Urea in the increasing vegetative growth that led to stimulating the root and vegetative growth to realize growth requirement, then in turn increasing absorption of these elements and increasing its concentration in leaves (Gobara et al 2000 andAndreas 2009) those results are the same found out by Abou Sayed-Ahmad et al (2000); Andreas (2009) and Porro et al (2010), who measured that nitrogen fertilizer rates had a significant effect on the concentration of N, P and K in the leaves.…”

Section: Discussionmentioning

confidence: 99%

Response of Strawberry (fragaria Ananassa)to The Application of Microbial Inoculants And Organic Fertilizers

Suliman

Yousif

2020

UOD

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The present study was carried out during growing season of 2018-2019, in the wooden canopy of the College of Agricultural Engineering Sciences, University of Duhok, Kurdistan Region of Iraq, to investigate the influence of foliar spray of four concentrations of Urea (0, 0.5, 1 and 1.5 g.L -1 ) and inoculation the soil with Azotobacter at two concentrations (0 and 10 m.L -1 ) and their interaction on the vegetative growth properties and quality of strawberry plant cv. Rubygem. The results indicated that Urea and Azotobacter significantly increased vegetative growth (chlorophyll, fresh weight, leaf area, leaf number and dry weight) as well as fruit quality (fruit weight, fruit length and number of fruits) (15.4g, 5.58cm and 10.67) respectively as compared with untreated plants. The interaction between the studies factors varied in their effect on the traits. The best interaction was the interaction of Urea at concentration (1g.L -1 ) and Azotobacter at (10 m.L -1 ) which gave the highest values (45.17 SPAD, 15.84 g and 5.38g) respectively as compared with other plants.

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Effect of Macro and Micro-Nutrient Spray on Fruit Yield and Quality of Grape (Vitis Vinifera L.) Cv. Perlette

Cited by 18 publications

References 0 publications

Using Zinc Oxide Nanoparticles to Improve the Color and Berry Quality of Table Grapes Cv. Crimson Seedless

Using Zinc Oxide Nanoparticles to Improve the Color and Berry Quality of Table Grapes Cv. Crimson Seedless

Effect of Foliar Feeding of Micro-nutrients on Physico-Chemical Attributes of Aonla (Emblica officinalis Gaertn) cv. Na-7 Under High Density Planting

Response of Strawberry (fragaria Ananassa)to The Application of Microbial Inoculants And Organic Fertilizers

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