West Indian cherry production under irrigation with saline water and potassium-phosphorus fertilization

Dias, Adaan Sudário; Gheyi, Hans Raj; Elias, Jutahy Jorge; Silva, Saulo Soares da; Pinheiro, Francisco Wesley Alves

doi:10.1590/1807-1929/agriambi.v25n7p472-479

Cited by 2 publications

(2 citation statements)

References 15 publications

(11 reference statements)

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“…Despite the low levels of K in the soil, under the edaphoclimatic conditions of the semiarid region of Northeast Brazil, the dose of 100% of K (Costa et al, 2008) may have been excessive for the crop. Another aspect that may have led to a decrease in fruit size was the K source used in the present study, since potassium chloride has a high salt index (116) and may have caused a reduction in the levels of Ca 2+ and Mg 2+ in plants, due to the existence of competition between these cations (Dias et al, 2021).…”

Section: Resultsmentioning

confidence: 95%

“…It is important to highlight that in the VE/FL stages the precipitations were concentrated over 26 days. Dias et al (2021), when evaluating the production of West Indian cherry cv. BRS 366 Jaburu under irrigation with saline water and potassium-phosphorus fertilization in two production cycles, in the second year of cultivation, found that ECw from 0.6 dS m -1 led to a decrease in polar diameter of fruit.…”

Section: Resultsmentioning

confidence: 99%

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Potassium fertilization in the cultivation of sour passion fruit under irrigation strategies with brackish water

Pinheiro

Lima

Sousa

et al. 2023

Rev. bras. eng. agríc. ambient.

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In the Brazilian semiarid region, the occurrence of water sources with high salt concentrations stands out as a limiting factor for the production of most crops under irrigated conditions. This research was conducted to evaluate the physical and chemical quality of sour passion fruit as a function of brackish water irrigation strategies and potassium doses. The experiment was carried out under field conditions using a randomized block design in a 6 × 2 factorial scheme, consisting of six strategies of irrigation with brackish water (irrigation with water of 1.3 dS m-1 throughout the cycle - WS; irrigation with water of 4.0 dS m-1 in the vegetative stage - VE; flowering stage - FL; fruiting stage - FR; in the successive vegetative/flowering stages - VE/FL; vegetative/fruiting stages - VE/FR) and two potassium doses: 60 and 100% (345 g of K2O per plant per year) of recommendation, with four replicates and three plants per plot. Irrigation with water of 4.0 dS m-1 in the flowering stage or continuously in the vegetative and flowering stages reduced the yield and size of sour passion fruit. Fertilization with 60% of K is recommended for the production of sour passion fruits with greater polar diameter. It is feasible to cultivate sour passion fruit under irrigation with 4.0 dS m-1 of water in the flowering and fruiting stages and fertilization with 60% of the K recommendation without losses in ascorbic acid and total soluble sugars.

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Section: Resultsmentioning

confidence: 95%

Section: Resultsmentioning

confidence: 99%

Potassium fertilization in the cultivation of sour passion fruit under irrigation strategies with brackish water

Pinheiro

Lima

Sousa

et al. 2023

Rev. bras. eng. agríc. ambient.

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Morphophysiology and production of guava as a function of water salinity and salicylic acid

Lacerda

Lima

Soares

et al. 2022

Rev. bras. eng. agríc. ambient.

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The availability of water with low electrical conductivity for irrigation in the Northeastern semi-arid region is one of the limiting factors for the expansion of irrigated agriculture. Thus, it is necessary to use waters with high electrical conductivity, requiring the search for strategies to reduce the negative impacts of salts on plants. In this context, the objective of this study was to evaluate the morphophysiology and production of guava cv. Paluma subjected to irrigation with saline waters and foliar application of salicylic acid after grafting. The experiment was conducted under greenhouse conditions in Campina Grande - PB, Brazil, in a randomized block design, adopting a 2 × 4 factorial scheme, with two values of electrical conductivity of irrigation water - ECw (0.6 and 3.2 dS m-1) and four concentrations of salicylic acid (0, 1.2, 2.4 and 3.6 mM), with three replicates. Irrigation with water of 3.2 dS m-1 reduced gas exchange, rootstock and scion diameters, crown diameter and volume, vegetative vigor index, polar and equatorial diameters of fruit, number of fruits, mean fruit weight, and fresh fruit weight of fruits of guava cv. Paluma. Salicylic acid application up to 3.6 mM did not mitigate the effects of salt stress on grafted guava cv. Paluma, at 390 days after transplanting.

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West Indian cherry production under irrigation with saline water and potassium-phosphorus fertilization

Cited by 2 publications

References 15 publications

Potassium fertilization in the cultivation of sour passion fruit under irrigation strategies with brackish water

Potassium fertilization in the cultivation of sour passion fruit under irrigation strategies with brackish water

Morphophysiology and production of guava as a function of water salinity and salicylic acid

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