Effects of Zinc Fertilizer on Photosynthetic Characteristics of 'Shine Muscat' Grape

Yao, Lu; Zhu, Jinpeng; Li, Zhiyu; Wang, Yuxi; Zhou, Xiong; Wang, Jin

doi:10.1051/e3sconf/201913607017

Cited by 3 publications

(3 citation statements)

References 2 publications

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“…According to [23,24], fertilization with sources of Zn, lead to an increase in this mineral's concentration in leaves of Pistachio trees, in sweet orange and Feutrell's early mandarin plants. Furthermore, in a study with a grape variety, 'Shine Muscat', this increase was observed after Zn fertilization through foliar and soil application [25]. Data of Zn content in leaves obtained in this study are in agreement with the other works previously mentioned, revealing an increase in Zn content in leaves after three foliar applications with both treatments (ZnSO 4 or ZnO), prevailing a higher rise with treatment ZnSO 4 (Figure 2).…”

Section: Discussionsupporting

confidence: 91%

Application of Multispectral Images to Monitor the Productive Cycle of Vines Fortified with Zinc

Daccak

Pessoa

Coelho

et al. 2021

The 1st International Electronic Conference on Agronomy

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In the context of an exponentially growing population and resource limitations, precision agriculture techniques can improve efficiency in the agricultural sector. This can be achieved by monitorization and quick detection of changes in crops, resulting in smart resource use, waste reduction and maximization of production. In a field located in Palmela (Portugal), three foliar sprays of ZnO and ZnSO4 were performed in Vitis vinifera variety Fernão Pires, for production of biofortified single-vine wine. Field characterization was performed with soil sampling and UAVs (with altimetric measurement sensors), synchronized by GPS. Vegetations indexes and characterization of drainage capacity and slopes were then interpolated with mineral content, monitored with X-ray Fluorescence analysis. Morphologically, the experimental parcel had a slight slope (maximum of 1.10 m) with irrigation and nutrient availability in soil requiring special attention (i.e., just one-third of the parcel had higher capacity to water drainage). NDVI values reflected better physiological values in the N–NE region. Zinc increases in leaves were directly proportional with the applied concentrations in vines sprayed with ZnSO4 and ZnO; the concentration of 60% (900 g ha−1) revealed a greater vigor. In conclusion, the use of smart farm techniques and their crossing with analytical procedures allows the characterization and monitoring of vines, and a higher potential for optimization of wine production.

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Section: Discussionsupporting

confidence: 91%

Application of Multispectral Images to Monitor the Productive Cycle of Vines Fortified with Zinc

Daccak

Pessoa

Coelho

et al. 2021

The 1st International Electronic Conference on Agronomy

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“…'샤인머스캣' 포도의 수확기준을 설정하기 위한 칼라차트가 개발되었으며 (Yamada et al, 2008;Kim et al, 2019a), 휘발성 물질에 관한 연구 (Wu et al, 2020), 호르몬 처리에 의한 과실의 변화 (Suehiro et al, 2019), 비료에 의한 과실의 특성 변화 (Yao et al, 2019), 곰팡이에 의한 썩음병에 관한 연구 (Kim et al, 2019b), 기온에 따른 열과 발생에 관한 연구 (Kim et al, 2021) 등 과실에 대한 실험은 다양하게 진행되었지만 그 외의 기관을 대상으로 한 연구는 매우 부족한 실정이다. 특히 신초에 꽃송이가 생기지 않는 빈가지 발생은 '샤인머스캣' 포도에서 종종 문제가 되고 있으나 거의 연구된 바가 없다.…”

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Characteristics of Bud Necrosis and Formation of Inflorescence Primordium in Young and Adult ‘Shine Muscat’ Grapevines

Park,

Kim,

Jung

et al. 2022

HST

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This study aimed to investigate why empty branches occur in 'Shine Muscat' grapevines. Moreover, it also aimed to understand the bud characteristics of grapevines by examining bud development, the occurrence of various necrosis types and inflorescence primordium formation. The rate of inflorescence primordium formation was highest in September for young vines and in October for adult vines. In contrast, the rate was rather low in March of the following year. The rate of blooming during the flowering period of the following year was higher than the rate of inflorescence primordium formation during all investigation periods. This is likely because inflorescence primordia are continuously formed in accessory buds during environmental dormancy. However, several empty branches were found in both young and adult vines. According to the location of node, the necrosis rates of primary and accessory buds were high, and the rate of inflorescence primordium formation was low in the 1st node. Therefore, higher than medium pruning could increase grape yields. Leaves should be pruned up to the nodes before and after the 5th node, which has a relatively low rate of necrosis and a high rate of inflorescence primordium formation. Monthly comparisons showed that the rate of primary bud necrosis increased during the dormancy period, and the inflorescence primordium formation rate was lower in adult vines compared to in young and gibberellic acid (GA)-treated vines. There were no significant differences in bud characteristics among the branch lengths in both young and adult vines. However, it was determined that the branch length in GA-treated vines should be at least 80 cm in order to increase the rate of inflorescence primordium formation. In addition, if the thickness of the branch is either too thick or thin, it negatively affects the rates of necrosis and the formation of the inflorescence primordium. Therefore, it is advantageous to maintain the thickness of branches between the 3rd and 4th nodes to 8.5-11.5 mm for young vines and 10.0-11.5 mm for adult vines. Furthermore, longer and thicker branches in GA-treated vines were found to be more advantageous for the formation of inflorescence primordium.

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“…Zn deficiency triggers the accumulation of saccharides, particularly in phloem sap leaves, which might be associated by decrease in CO 2 fixation. Net photosynthetic rate, stomatal conductance and transpiration rate are strongly reduced by Zn deficiency(Das and Mukherjee 2012;Yao et al 2019;Liu et al 2019). Zn plays an important role in the regulation of photosynthesis, due to its presence in carboxylation enzymes (CEs) and carbonic anhydrase (CA) (EC: 4.2.1.1).…”

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confidence: 99%

Zinc as a Versatile Element in Plants: An Overview on Its Uptake, Translocation, Assimilatory Roles, Deficiency and Toxicity Symptoms

Fariduddin

Saleem

Khan

et al. 2021

Microbial Biofertilizers and Micronutrient Availability

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Zinc (Zn) is the second most abundant transition element after iron in living organisms and is categorized as an essential micronutrient to plants. It takes part in various cellular and physiological functions of plants and exerts a positive role in growth, development and yield. Zn serves structural, catalytic and regulatory roles in enormous numbers of proteins and enzymes. Hence, it is important to get the knowledge and understanding about the dynamics and biochemistry of Zn in soil, its uptake, transport and response of plants to Zn deficiency and in achieving the sustainable solutions for the same in plants. Zn deficiency seems to be an extensive and common problem in crops worldwide, resulting in severe losses in yield affecting nutritional quality. Bearing in mind the current state, an attempt has been made to further dissect the uptake, transport, assimilation, role, deficiency, toxicity symptoms of Zn and economic losses triggered in plants.

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Effects of Zinc Fertilizer on Photosynthetic Characteristics of 'Shine Muscat' Grape

Cited by 3 publications

References 2 publications

Application of Multispectral Images to Monitor the Productive Cycle of Vines Fortified with Zinc

Application of Multispectral Images to Monitor the Productive Cycle of Vines Fortified with Zinc

Characteristics of Bud Necrosis and Formation of Inflorescence Primordium in Young and Adult ‘Shine Muscat’ Grapevines

Zinc as a Versatile Element in Plants: An Overview on Its Uptake, Translocation, Assimilatory Roles, Deficiency and Toxicity Symptoms

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