The Effect of Different Calcium Levels on Cation Concentration in Leaves and Fruit of Apple Trees

Calcium plays an important role in the growth and development of apple trees as well as in high fruit quality. In the present study, solution cultures were carried out under climatically controlled conditions in a growth room to evaluate the response of apple seedlings to six levels of Ca (0.1, 0.2, 0.4, 0.8, 1.6, and 3.2 mM Ca). Foliar calcium deficiency symptoms were observed at Ca concentrations lower than 0.4 mM. The 3.2 mM Ca treatment resulted in the highest shoot dry matter accumulation and the greatest leaf area. However, both root length and dry matter accumulation were less affected by Ca levels. Calcium uptake parameters were significantly influenced by Ca treatment. INTRODUCTIONCalcium is essential for the growth and development of apple plants (Malus spp.) and required

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“…Hogue (9) has reported an interference in Mg uptake due to Ca, which is similar to the current results.…”

Section: Rootsupporting

confidence: 94%

“…Magnesium is known to exert an inhibiting effect on the uptake and translocation of Ca in plants (9).…”

Section: Rootmentioning

confidence: 99%

Apple seedling response to calcium

Han

Baligar²,

Korcak³

et al. 1990

Journal of Plant Nutrition

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“…The ability to accumulate and distribute Ca may vary with the cultivar and is FFinfluenced by various factors such cultivar, temperature, relative humidity, plant age, levels of other minerals in the soil (Ferguson 1984) (1). The inability of plants to accumulate and distribute Ca may partly explain why some are more prone to disorders and diseases [41].…”

Section: Discussionmentioning

confidence: 99%

Calcium Delays the Postharvest Ripening and Related Membrane-Lipid Changes of Tomato

Y¹

2015

J Nutr Food Sci

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Effects of foliar CaCl 2 treatment on postharvest tomato (Lycopersicon esculentum Mill.) ripening and senescence as well as on membrane lipid degradation were assessed during two separately carried out experiments. In the first one, foliar CaCl 2 application on two cultivars Trésor and H 63-5, caused a significant increase in fruit Ca content and consequently slows the diminution of firmness and acidic citric content, the increase of pH, and the development of red color and gray mold during storage. In addition, CaCl 2 application had more effect on the softer H 63-5 fruit, which contained relatively low level of Ca at the time of treatment. In the second experiment calcium implication in cellular membrane stabilization of cultivar Caruso has been verified. Chlorophylls content decreased and that of the carotenoids increased during ripening and senescence, in correlation with of phospholipids reduction. In conclusion, the Ca delays tomato ripening and senescence during storage. This could be probably by protection of membrane lipids from degradation.

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“…In Table 4, Ca/K and Mg/K saturation ratios were very high due to very low exchangeable K concentrations. The (Ca + Mg)/K ratio also can not be calculated due to very low exchangeable K. The imbalance level of cations in soil solution can influence plant growth and development (Hogue et al 1983;Ho & Papadopoulos, 2003;Ding et al 2006). Excessive Ca concentration may compete with other cations in soil and root complex, thus, disrupting their availability (Liu et al 2021) and uptake (Aslam et al 2003;Del Amor & Rubio, 2009).…”

Section: Soil Fertility Statusmentioning

confidence: 99%

Soil fertility status and land suitability evaluation for rice crops on former shrimp ponds

Paldi

Zulfajrin

Sataral

et al. 2021

CELEBES Agricultural

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Undertaking suitable land, including former shrimp ponds for rice, is required to cope with future rice shortages. The purpose of this study was to identify the soil morphology and physicochemical properties, determine soil fertility status and assess irrigated rice suitability of ex-shrimp ponds. Soil morpho-physicochemical properties such as soil color, structure, texture, pH, organic-C, P2O5, K2O, base saturation, and cation exchange capacity were determined. The resulting data was then matched into the criteria for BSCR and SLAN/CCDS, five major soil fertility criteria, and ICALRRD land suitability. Soil physiographical, morphological, and physicochemical analysis suggested that the soil developed from the alluvial site of calcareous-marl parent material located at saturated backswamp, then permanently drained. ESP, SAR, and salinity values were detected relatively lower than saline, sodic, and saline-sodic soil. The entire cations fell below BCSR ideal ratios, whereas all exchangeable K were detected below the CCDS/SLAN thresholds. Actual suitability for land units of A, B, and C were S3-rc,na, S3-na and S3-rc,nr,na,eh, respectively. The improvement such as fertilization, amelioration, slope flattening/cut-filling, and irrigation management increases all land units to S1. This study pinpointed the importance of former shrimp pond soil to provide suitable land for rice crop cultivation. Also, encouraging further research to identify the origin of alluvial parent material from the soil at the study site

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The Effect of Different Calcium Levels on Cation Concentration in Leaves and Fruit of Apple Trees

Abstract: Hocue, E. J., Nnrr-srN, G. H., MesoN

Cited by 7 publications

References 10 publications

Apple seedling response to calcium

Apple seedling response to calcium

Calcium Delays the Postharvest Ripening and Related Membrane-Lipid Changes of Tomato

Soil fertility status and land suitability evaluation for rice crops on former shrimp ponds

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