Effects of Exogenous epi-brassinolid, zinc and boron foliar nutrition on fruit development and ripening of grape (Vitis vinifera L. clv. ‘Khalili’)

Tadayon, Mohammad Saeed; Moafpourian, G.

doi:10.1016/j.scienta.2018.09.036

Cited by 13 publications

(2 citation statements)

References 56 publications

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“…PC contributes to detoxification mechanisms of heavy metals (Rajewska et al 2016), chelating the metal ions and forming complexes, with consequent immobilization of this metal in the cytoplasm of root cells (Bajguz and Hayat 2009;Bajguz 2010). Tadayon and Moafpourian (2019) verified that foliar application of 0.4 mg L −1 EBR increased the efficiency of foliar application of Zn and B, affecting the chemical and reproductive characteristics of Vitis vinifera plants.…”

Section: Discussionmentioning

confidence: 79%

24-Epibrassinolide Improves Root Anatomy and Antioxidant Enzymes in Soybean Plants Subjected to Zinc Stress

Santos

Silva

Pedron

et al. 2019

J Soil Sci Plant Nutr

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The aim of this research was to determine whether 24-epibrassinolide can mitigate oxidative stress in soybean plants subjected to different zinc levels; to examine this, we evaluated the possible repercussions on anatomical, nutritional, biochemical, physiological and morphological behaviours. The experiment followed a completely randomized factorial design with two concentrations of 24-epibrassinolide (0 and 100 nM EBR, described as-EBR and + EBR, respectively) and three zinc supplies (0.2, 20 and 2000 μM Zn, described as low, control and a high supply of Zn). In general, low and high zinc supplies produced deleterious effects. However, plants exposed to high zinc +100 nM EBR presented increases of 25%, 7%, 9% 29% and 69% for root epidermis, root endodermis, root cortex, vascular cylinder and metaxylem, respectively, when compared to the same treatment without the steroid. The steroid spray alleviated the impact produced by zinc stress on nutritional status, and these results were intrinsically linked to incremental changes in root structure, mainly vascular cylinder and metaxylem. Antioxidant enzymes play crucial roles in the photosynthetic machinery of plants treated with 24-epibrassinolide and stressed by high and low zinc supply, modulating reactive oxygen species scavenging and protecting the chloroplast membranes, with clear positive repercussions on photosystem II efficiency and photosynthetic pigments. The stimulation induced by this steroid on gas exchange can be explained by the favourable conditions detected in stomatal performance and leaf anatomy, thus enhancing the diffusion of carbon dioxide.

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Section: Discussionmentioning

confidence: 79%

24-Epibrassinolide Improves Root Anatomy and Antioxidant Enzymes in Soybean Plants Subjected to Zinc Stress

Santos

Silva

Pedron

et al. 2019

J Soil Sci Plant Nutr

View full text Add to dashboard Cite

show abstract

“…There are also many environmental factors that may influence fruitset, mainly weather conditions during pollination (like solar radiation, temperature and rainfall [7]), but also others like nutritional status [10] or soil salinity [11]. It is affected by crop management practices such as defoliation, topping or girdling [6,12,13], by the rootstock [14], or by external treatments, like gibberellins [15] or zinc and boron [16]; the literature of flowering and fruitset was exhaustively reviewed by May [7].…”

Section: Introductionmentioning

confidence: 99%

Cultivated Grapevine Displays a Great Diversity for Reproductive Performance Variables

2019

Crop Breed Genet Genom.

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Background: There are thousands of grapevine varieties that display a wide range of variation for traits like grape use (wine, table grape or both), color or ripening time, but little is known about their reproductive performance, especially flowering and fruitset (conversion from flower to fruit). Works focused at the study of these traits in grapevine evaluated one or few varieties and used different methodologies making comparisons difficult. This study aimed to characterize the reproductive performance of 120 varieties and its stability over two seasons using a precise methodology. Methods: Reproductive performance was determined through counting flowers and berries in the same inflorescences/bunches (10 per variety), for which a new methodology of image analysis of scanned calyptras was developed. Varieties were classified according to their reproductive performance. Results: A great diversity was found for most variables including fruitset and number of flowers. Large differences between varieties were observed both in values and in stability among seasons. The varieties clustered in three main classes that displayed significant differences not only for the reproductive performance variables used for the clustering but for most the variables studied. Varieties in these classes showed a nonrandom distribution regarding the grape use and the genetic structure based on molecular markers. Conclusions: This is the largest study of reproductive performance variables such as fruitset ever done in grapevine. It provides specific values for many varieties for the first time, useful for breeding programs. The clustering based on these variables is related with those based on use and geographical origin.

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Plant Growth and Fruit Quality Response of Strawberry is Improved After Exogenous Application of 24-Epibrassinolide

Ali

Anwar

Malik

et al. 2021

J Plant Growth Regul

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Effects of Exogenous epi-brassinolid, zinc and boron foliar nutrition on fruit development and ripening of grape (Vitis vinifera L. clv. ‘Khalili’)

Cited by 13 publications

References 56 publications

24-Epibrassinolide Improves Root Anatomy and Antioxidant Enzymes in Soybean Plants Subjected to Zinc Stress

24-Epibrassinolide Improves Root Anatomy and Antioxidant Enzymes in Soybean Plants Subjected to Zinc Stress

Cultivated Grapevine Displays a Great Diversity for Reproductive Performance Variables

Plant Growth and Fruit Quality Response of Strawberry is Improved After Exogenous Application of 24-Epibrassinolide

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