Influence of Kaolin Sprays on Fruit Quality and Storability of Balady Mandarin

Zaghloul, Ali; Ennab, H. A.; El-Shemy, Mervat A.

doi:10.21608/asejaiqjsae.2017.4102

Cited by 6 publications

(7 citation statements)

References 6 publications

(11 reference statements)

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“…Anyhow, these results are in agreement with those obtained by Kerns and Wright, (2000) ;Glenn, (2009); Colavita et al, (2011); Alvarez et al, (2015) and Zaghloul et al, (2017). Effect of kaolin, screen duo sprayed once or twice on number of sunburned fruits per tree, sunburned fruits weight and sunburned fruit weight /weight of yield (%) of Keitt mango fruits.…”

Section: Results Discussionsupporting

confidence: 91%

“…The obtained results are in harmony with those attained by Glenn et al, (2002); Jifon and Syvertsen, (2003); Gindaba and Wand, (2005);Wand et al, (2006); Colavita, (2011); EL-Gioushy et al, (2017); Ennab et al (2017); and Zaghloul et al, (2017). Effect of Kaolin, screen duo sprayed once or twice on some fruit quality properties of Keitt mango fruits.…”

Section: Results Discussionsupporting

confidence: 84%

“…Moreover, kaolin foliar spray was found to enhance water use efficiency and reducing the adverse effects of water deficit on pistachio and pomegranate trees (Azizi et al, 2013 andEl-Khawaga andMansour (2014). Pre-harvest kaolin foliar application in summer months especially with 4% which that was most effective treatment for increasing yield, reduce fruit disorders and enhancing fruit quality of Balady mandarin at harvest time, (Zaghloul et al, 2017). Kaolin particles film was also successful in sunburn reduction in Ruby Red grape fruit leaves (Jifon and Syvertsen, 2003), and Anna Apple (Aly et al, 2010).…”

Section: Discussionmentioning

confidence: 99%

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Efficacy of Kaolin and Screen Duo Spraying on Fruit Sunburn, Yield and Fruit Quality of Keitt Mango Fruits

Baiea

EL-Gioushy

El-Badawy

2018

Journal of Plant Production

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This study was carried out during two successive seasons (2016 and 2017) on six years old Keitt mango trees grafted on Succary seedlings as rootstocks and planted at 2×3 meters in sandy soil under drip irrigation system in Kafr El-Sohbi village, Qalubia Governorate, Egypt., To study the influence of kaolin and screen duo foliar application on fruit sunburn, yield and fruit quality. Hence, the foliar applications treatment were kaolin (aluminum silicate) at 25,50 and 75g/L and screen duo at 6,12 and 18 cm 3 /L sprayed once at mid of June and also sprayed twice at mid of both June and July during both seasons of study as well as, control (tap water spray). The influence was evaluated through the response of the different measurements as yield, sunburned fruit measurements, fruit quality and fruit skin color parameters with kaolin and screen duo concentrations and times of spray (once or twice). The obtained results revealed that the response to screen duo was more pronounced and differences between its three concentrations were significant in most cases as compared each other from one hand and the highest one (18 cm 3 /L.) was the most effective in most cases from the other hand. Referring the specific effect of times of spray (once or twice) data display obviously that the highest values in most cases were significantly in concomitant to fruits sprayed twice during both seasons of study. Anyhow, it could be concluded that, spraying screen duo at 12 and/or 18 cm 3 /L twice in summer months (at mid of both June and July) had a positive effect to prevent fruit sunburn damage and improved yield and fruit quality of Keitt mango fruits.

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Section: Results Discussionsupporting

confidence: 91%

Section: Results Discussionsupporting

confidence: 84%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Efficacy of Kaolin and Screen Duo Spraying on Fruit Sunburn, Yield and Fruit Quality of Keitt Mango Fruits

Baiea

EL-Gioushy

El-Badawy

2018

Journal of Plant Production

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“…As per the study, the percentage of fruit drop other than sunburned fruits per tree decreased with increased concentration of antitranspirants rate resulting in treatment T7 (GA3 15 ppm + Urea 1% + Kaolin 5%) might be due to the GA3 minimizes fruit drop and increased in fruit retention and kaolin appears to be an important and helpful tool to reduced insect attack and pest diseases of fruit damage also could be a valid alternative to intensive application of insecticide. Similar results found by Mohsen and Asharaf (2019) in grapes, Kumar et al (1975) [29] in sweet lime and Ennab et al (2017) [65] in balady mandarin. From table no 2 the maximum reduction percentage of sunburned fruits (62.61%) was noted in treatment T7 (GA3 15 ppm+ urea 1%+ kaolin 5%) followed by T9 (61.07%) whereas, minimum reduction percentage was observed in T10 (Control).…”

Section: Results and Discussion Effect Of Chemical Substances On Sunbsupporting

confidence: 87%

Effect of chemical substances on preventing sunburn injury of mandarin

Parkhe¹,

Dahale²,

Paithankar³

et al. 2021

Int. J. Chem. Stud.

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Mandarin (Citrus reticulata Blanco) is a promising fruit crop gaining popularity for its human nutrition and economic importance in the world. The qualitative losses during pre-harvest stage hinder the quality production. Recently sunburn is major problem caused due to 'October heat', high temperature and direct solar radiation, which leads to significant economic losses in mandarin yield. So, a field experiment was conducted during 2017 and 2018 seasons at AICRP on Fruits (Citrus) Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola. An experiment was conducted to assess the effect of foliar spray of chemical substances 3% and 5% of Kaolin and MgCO3 with combination of urea 1% and GA3 15 ppm with respective treatments twice in month of September and October on sunburn percentage and fruit quality of mandarin. The obtained results showed that, GA3 15 ppm+ urea 1% and kaolin 5% foliar applications were effective to control fruit sunburn as well as reducing severity percentage of sunburned fruit as compared to untreated trees. Moreover, Kaolin foliar application at two times was decreased leaf and fruit surface temperature especially at the concentration of 3% and 5%. Therefore, it could be recommended that, spraying kaolin at 3% and 5% two times in month of September and October, because it had a positive effect on preventing fruit sunburn damage and improvement marketable yield of mandarin trees.

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“…Kaolin, the second Biostimulant used in this experiment is a natural mineral with the formula Al2Si2O5 (OH)4, and found in Egypt and used as a foliar spray on fruit trees to protect them against abiotic stresses like extreme environmental conditions, (temperate light, and deficiencies in nutrition). Zaghloul et al, (2017) specified that spraying kaolin at 4%, three times in summer months, on mandarin trees, was effective in reducing fruit pre-harvest disorders and improving yield and fruit quality at harvest, in addition to increasing storage time of mandarin compared to control. In another experiment by (Eldeen et al, 2015), it was concluded that treatments of spraying kaolin, young mango trees gave a high effect on improved growth parameters of these trees.…”

Section: Introductionmentioning

confidence: 99%

Effect of Some Bio-Stimulants on Fruit Drop and Quality of Mango Fruits

Ibrahim

Elzayat

Shaaban

et al. 2022

Egyptian Journal of Agricultural Research

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Current experiment was carried out on two Egyptian traditional mango varieties, "Eiwess and Hendi" to investigate the effect of some natural plant Biostimulants "Kaolin &Chitosan and Jasmine oil" on fruit drop, Fruit storage ability and quality, when applied to young mango trees (5years old) in the preharvest period. The above-cited Biostimulants were sprayed 3 times on healthy mango trees in an orchard adopting recommended agricultural practices. First application was achieved on fruit set stage, the 2nd application one month later, and the 3rd application after another month, during the years of 2018 and 2019. The mango farm is situated in El Sadat district, Monofeya. Immediately after harvest, a sample of 100 mature intact fruits was taken from each treatment and control. Fruits were transported to fruit handling research laboratory for cold storing (13 ± 1°C and RH 85-90%) and estimating fruit quality. The results indicated that treatments caused a pronounced beneficial effect in lowering fruit drop, counted after 2 months of fruit setting, compared to control trees which recorded a percentage of drop between 80% and 94%, in both seasons and always higher than treatments, while jasmine oil treatment resulted in 66% with Eiwess trees and 58% for Hendi trees in first season, followed by chitosan and kaolin, but in second season fruit drop results were mixed with no consistent pattern. Other fruit quality parameters revealed that all treatments induced generally a slower pace of maturity in cold store compared to control. Fruit weight loss percentage of control was higher always compared to treatments fruits, recording in 1st year a range of 4.7% to 6.8%, for Eiwess mango and 4.4% to 6.8 % for Hendi fruits after 2 weeks in cold store, compared to 8.4%-8.6% for control and increased a little bit after 3 weeks and reached a higher level over 10 % after 4 weeks. Second season fruit weight loss was a little bit higher but jasmine oil treatment gave the least weight loss. Fruit firmness of control declined quickly compared to all treatments that had acceptable values till after 2 weeks in cold store (between 3.7-4.8 lb. /in2 for Eiwess, and a range of 4.7-5.8 lb./in2 for Hendi fruits in both seasons) and after 4 weeks fruits were remarkably softer. Fruit freshness, measured by L* values was nearly similar all over the experiment period. The evolution of yellowness of pulp was nearly the same for all treatments and control and after 3 weeks in cold store, it was a little bit quicker for chitosan with Eiwess fruits, (91 degrees) and kaolin for Hendi fruits (91-96 degrees). Values of TSS % increased gradually for all treatments with higher values for control fruits (as it is expected to be more advanced in ripening) and recording about 22% after 3 weeks in cold storage compared to a range of18.7-21% for treatments for Eiwess fruits in both seasons, while values of TSS% of Hendi were smaller and followed the same trend. Control fruits acidity during cold storage had the lowest values compared to treatment fruits whose ac...

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Influence of Kaolin Sprays on Fruit Quality and Storability of Balady Mandarin

Cited by 6 publications

References 6 publications

Efficacy of Kaolin and Screen Duo Spraying on Fruit Sunburn, Yield and Fruit Quality of Keitt Mango Fruits

Efficacy of Kaolin and Screen Duo Spraying on Fruit Sunburn, Yield and Fruit Quality of Keitt Mango Fruits

Effect of chemical substances on preventing sunburn injury of mandarin

Effect of Some Bio-Stimulants on Fruit Drop and Quality of Mango Fruits

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