Impact of AVG Preharvest Spray and Soil Injection on Yield and Quality of Melon

Leskovar, Daniel I.; Goreta, Smiljana; Franco, J.A.

doi:10.21273/hortsci.41.5.1249

Cited by 6 publications

(4 citation statements)

References 14 publications

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“…Fruit quality parameters were determined on three 9-or 12-count class fruits from each plot. Fruits were cut at the equatorial position, and firmness was measured on the mesocarp tissue at three random locations per fruit using a digital force meter (DFM 10; Chatillon, Greensboro, NC), and soluble solids content (SSC) of the mesocarp tissue (1 cm from the rind) was measured with a digital refractometer (PR-101; Atago Co. Ltd., Tokyo, Japan) (Leskovar et al, 2006;Sharma et al, 2014). A 100-g sample of edible mesocarp tissue was collected from the same fruits used for the above measurements; and the samples were stored at -80°C until a later date, when vitamin C and b-carotene analyses were carried out.…”

Section: Methodsmentioning

confidence: 99%

GGE Biplot Analysis of Genotype-by-environment Interactions for Melon Fruit Yield and Quality Traits

Sharma¹,

Leskovar²,

Crosby³

et al. 2020

horts

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The stability of yield and quality traits in nine orange-fleshed melon (Cucumis melo L.) genotypes was studied over nine environments in south-central Texas (College Station, Uvalde, and Weslaco) over 3 years (2010, 2011, and 2012). Besides yield traits, fruit -quality components such as soluble solids content (SSC), β-carotene, and fruit firmness were also measured. Data were subjected to the combined analysis of variance and trait stability by GGE Biplot. The significant genotype-by-location interactions for yield traits demonstrated the potential to develop location-specific cultivars. However, the temporal fluctuations in productivity emphasized the need to select for stability over several years in potential cultivars for the target environments. Cultivar Mission was confirmed as the most stable and average performing genotype for marketable yield and quality traits at all locations. Uvalde was identified as the ideal location for selecting generally adapted genotypes for south-central Texas. Biplot analysis indicated that Orange Dew was the highest mean performing genotype for SSC. The hybrid Oro Duro, followed by TAMU 146, ranked highest for mean and stability of β-carotene content, but it ranked lowest for fruit firmness. TAMU Orange Casaba exhibited specific adaptation, producing the highest mean fruit yield at Weslaco, while Journey had the highest fruit yield at College Station and Uvalde. Understanding of genotype-by-environment interactions for multiple traits in melon is critical for developing cultivars with high mean performance and stability in target growing environments.

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Section: Methodsmentioning

confidence: 99%

GGE Biplot Analysis of Genotype-by-environment Interactions for Melon Fruit Yield and Quality Traits

Sharma¹,

Leskovar²,

Crosby³

et al. 2020

horts

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“…The enhanced leaf dry matter allocation and leaf area RGR at the expense of root mass allocation and root growth (Tables 2 and 3) raises the question of AVG allocation within plants. Root-applied AVG can modify processes at the shoot level (Islam et al, 2003;Leskovar et al, 2006;Locke et al, 2000); however, whether shootapplied AVG influences root growth is unknown. The reduction in whole-plant RGR of AVG-treated plants (almost 30% compared with control) was probably a consequence of excessive water loss that resulted from the lower capacity of those plants to regulate stomata closure during water stress.…”

Section: Film-forming Materialsmentioning

confidence: 99%

Gas Exchange, Water Status, and Growth of Pepper Seedlings Exposed to Transient Water Deficit Stress are Differentially Altered by Antitranspirants

Goreta¹,

Leskovar²,

Jifon³

2007

J. Amer. Soc. Hort. Sci.

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Successful field establishment of vegetable transplants often depends on the ability of young seedlings to tolerate various biotic and abiotic stresses after transplanting. Treatments that limit transpirational water loss could improve plant survival and stand establishment. In this study we evaluated growth and physiological responses of pepper (Capsicum annuum L.) seedlings to foliar application of chemical plant regulators [abscisic acid (ABA) and aminoethoxyvinylglycine (AVG)] or physical film-forming barriers [AntiStress (AS), Transfilm (TF), and Vapor Gard (VG)] during transient 4-day water deficit cycles. During two 4-day water deficit cycles, stomatal conductance (g s) and net CO2 assimilation rate (ACO2) were unaffected by the application of physical materials, but differed for ABA and AVG. Compared with untreated control plants, ABA reduced g s (47% to 69%) and ACO2 (37% to 57%) by the end of the second water deficit cycle, whereas AVG increased gs (27% to 60%) during the first desiccation cycle. Leaf (ψlf) and stem (ψst) xylem water potential of plants treated with film-forming materials generally decreased at the same rate as those of untreated plants, whereas application of AVG caused earlier and more pronounced decline of ψlf. Application of ABA enabled the maintenance of ψlf and ψst during two desiccation cycles, and thus prevented an increase of electrolyte leakage and leaf abscission. Growth rates of all plant components were reduced after ABA applications. However, allometric relationships showed similar patterns of dry matter allocation in leaves and shoots among ABA, TF, VG, and untreated control plants. Application of AS reduced allocation of dry matter to leaves, whereas AVG enhanced it at the expense of roots. These data indicate that water deficit tolerance of pepper seedlings only occurred with foliar application of ABA. This effect was associated with improved plant water relations, increased cell membrane stability, reduced leaf abscission, and a transient reduction in plant growth rates.

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“…Ethylene buildup increases the permeation of cell membranes under drought stress, and, in turn, the production of ethylene is prevented by aminovinylglycine (AVG) [ 141 ]. In line with this, the application of AVG in the root zone has been found to decrease transpiration under water stress [ 142 ].…”

Section: Biochemical Treatments For Drought Tolerance and Their Physi...mentioning

confidence: 84%

Orchard Management and Incorporation of Biochemical and Molecular Strategies for Improving Drought Tolerance in Fruit Tree Crops

Devin

Prudencio

Mahdavi

et al. 2023

Plants

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Water scarcity is one of the greatest concerns for agronomy worldwide. In recent years, many water resources have been depleted due to multiple factors, especially mismanagement. Water resource shortages lead to cropland expansion, which likely influences climate change and affects global agriculture, especially horticultural crops. Fruit yield is the final aim in commercial orchards; however, drought can slow tree growth and/or decrease fruit yield and quality. It is therefore necessary to find approaches to solve this problem. The main objective of this review is to discuss the most recent horticultural, biochemical, and molecular strategies adopted to improve the response of temperate fruit crops to water stress. We also address the viability of cultivating fruit trees in dry areas and provide precise protection methods for planting fruit trees in arid lands. We review the main factors involved in planting fruit trees in dry areas, including plant material selection, regulated deficit irrigation (DI) strategies, rainwater harvesting (RWH), and anti-water stress materials. We also provide a detailed analysis of the molecular strategies developed to combat drought, such as Clustered Regularly Interspaced Short Palindromic Repeat (CRISPR) through gene overexpression or gene silencing. Finally, we look at the molecular mechanisms associated with the contribution of the microbiome to improving plant responses to drought.

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Impact of AVG Preharvest Spray and Soil Injection on Yield and Quality of Melon

Cited by 6 publications

References 14 publications

GGE Biplot Analysis of Genotype-by-environment Interactions for Melon Fruit Yield and Quality Traits

GGE Biplot Analysis of Genotype-by-environment Interactions for Melon Fruit Yield and Quality Traits

Gas Exchange, Water Status, and Growth of Pepper Seedlings Exposed to Transient Water Deficit Stress are Differentially Altered by Antitranspirants

Orchard Management and Incorporation of Biochemical and Molecular Strategies for Improving Drought Tolerance in Fruit Tree Crops

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