Yield and water use efficiency of potato varieties under different soil-moisture stress conditions in the Fergana Valley of Central Asia

Reddy, J. Mohan; Jumaboev, Kahramon; Bobojonov, Ihtiyor; Carli, Carlo; Eshmuratov, Davron

doi:10.1080/21683565.2016.1141145

Cited by 4 publications

(2 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Compared to the furrow irrigation method, Erdem et al [54] found a higher WUE under the drip irrigation method but did not find any significant differences in plant height, tuber size, and tuber yield. However, Reddy et al [86] found better water use efficiency under farmers' traditional practices and moderate water-deficit conditions than under extreme water-deficit conditions.…”

Section: Water Use Efficiency (Wue) In Potatoesmentioning

confidence: 99%

Irrigation Water and Nitrogen Fertilizer Management in Potato (Solanum tuberosum L.): A Review

Shrestha,

Darapuneni,

Stringam

et al. 2023

Agronomy

View full text Add to dashboard Cite

Intensive irrigation and nutrient management practices in agriculture have given rise to serious issues in aquifer water depletion and groundwater quality. This review discusses the effects of irrigation and nitrogen management practices on potato growth, yield, and quality, and their impacts on water and nitrogen use efficiencies. This review also highlights the economics and consequences of applying deficit irrigation strategies in potato production. Many researchers have demonstrated that excessive irrigation and nitrogen application rates negatively impact potato tuber yield and quality while also increasing nitrate leaching, energy consumption, and the overall costs of production. An application of light-to-moderate deficit irrigation (10–30% of full irrigation) together with reduced nitrogen rates (60–170 kg/ha) has a great potential to improve water and nitrogen use efficiencies while obtaining optimum yield and quality in potato production, depending on the climate, variety, soil type, and water availability. There is an opportunity to reduce N application rates in potato production through deficit irrigation practices by minimizing nitrate leaching beyond the crop root zone. The best irrigation and nitrogen management techniques for potato production, as discussed in this review, include using sprinkle and drip irrigation techniques, irrigation scheduling based on local crop coefficients, soil moisture content, and crop modeling techniques, applying slow-release nitrogenous fertilizers, split nitrogen application, and applying water and nitrogenous fertilizers in accordance with crop growth stage requirements.

show abstract

Section: Water Use Efficiency (Wue) In Potatoesmentioning

confidence: 99%

Irrigation Water and Nitrogen Fertilizer Management in Potato (Solanum tuberosum L.): A Review

Shrestha,

Darapuneni,

Stringam

et al. 2023

Agronomy

View full text Add to dashboard Cite

show abstract

“…Even short drought spells or infrequent irrigation during stolon formation, tuber initiation, or tuber bulking can reduce tuber yields significantly [4][5][6][7][8][9]. Efforts are being made to (1) decrease potatoes water requirements to reduce irrigation water requirements in systems with seasonal water shortages [10,11], and (2) to increase genotypic resistance to soil moisture deficit in predominantly rainfed systems with little or no irrigation facilities [12]. A number of morphological traits have been described that potentially improve genotypic performance of potato under moisture deficit conditions.…”

Section: Introductionmentioning

confidence: 99%

Phenology-Adjusted Stress Severity Index to Assess Genotypic Responses to Terminal Drought in Field Grown Potato

et al. 2020

View full text Add to dashboard Cite

Potato is a drought susceptible, often rain-fed crop suffering strongly from even short periods of soil water deficit. With global environmental conditions changing, potato clones resistant to variable water supply are needed and identifying them is a major task. Many indices assessing potato tolerance to water deficit have been proposed, albeit none of them takes into account the severity of the stress or the sensitivity of the developmental stage during which the stress occurs. As a result, data obtained on genotypes in one location or season are normally not useful in another location or in a different season. We have developed an index evaluating yield response of potato to water deficit based on the soil tension the genotype was subjected to for the duration of the stress modified by the development stage of the genotype. The sum of the daily values was combined in a stress severity index (SSI). In total thirteen genotypes differing in duration and sensitivity to drought were subjected to four levels of deficit irrigation on two soil types at different development stages over two years. Early drought (early tuber filling) reduced yields up to 95% whereas late drought (late tuber bulking) reduced yields significantly less. SSI depended on the genotypic phenological development and on the soil tension values and ranges between 25 and 3500. The index differentiated genotypic responses well across treatments and soil types, even with these relatively advanced development stages, up to a value of 1000. Beyond 1000, yields were generally reduced by more than 60% and a differentiation between genotypes was not possible anymore. SSI constitutes a method that renders site, location, year, season, and soil type effects comparable for responses of potato clones to soil water deficit. Combining this measure of stress severity with other proposed indices may improve upon their current weaknesses in finding or identifying the underlying traits of drought tolerance in potato.

show abstract

Managing Soils for Food Security in Central and South Asia

Lal

2024

Water Security in a New World

View full text Add to dashboard Cite

Yield and water use efficiency of potato varieties under different soil-moisture stress conditions in the Fergana Valley of Central Asia

Cited by 4 publications

References 20 publications

Irrigation Water and Nitrogen Fertilizer Management in Potato (Solanum tuberosum L.): A Review

Irrigation Water and Nitrogen Fertilizer Management in Potato (Solanum tuberosum L.): A Review

Phenology-Adjusted Stress Severity Index to Assess Genotypic Responses to Terminal Drought in Field Grown Potato

Managing Soils for Food Security in Central and South Asia

Contact Info

Product

Resources

About