Correction of Iron Chlorosis by Foliar Sprays

Abadı́a, Javier; Álvarez‐Fernández, Ana; Morales, Fermı́n; Sanz, Manuel; Abadía, A.

doi:10.17660/actahortic.2002.594.10

Cited by 31 publications

(19 citation statements)

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“…Despite the (Kadman and Gazit 1984;Sanz et al 1992;Abadía et al 2002a;Á lvarez-Ferná ndez et al 2004Á lvarez-Ferná ndez et al , 2006. Results obtained in the present study support the idea that maximizing the chances for leaf penetration via optimizing spray formulations and application practices may improve significantly the efficiency of foliar Fe fertilization.…”

Section: Discussionsupporting

confidence: 79%

“…For instance, in the northeast of Spain~45,000 ha of fruit crops with high-economic value (peach and pear) require treatment with Fe(III)-chelates, increasing growers' costs by 25 million € every year (Á lvarez-Ferná ndez et al 2004). The possibility to deliver small amounts of Fe to fruit trees via foliar sprays could be a target-oriented, cheaper strategy to overcome Fe deficiency in fruit crops, although variable responses to Fe sprays have been often reported (see Abadía et al 2002a;Ferná ndez and Ebert 2005, and references therein). Development of suitable Fe spray formulations is currently hindered by the limited understanding of the mechanisms involved in the penetration, translocation, and bioavailability of the Fe-containing solutions applied to the foliage .…”

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confidence: 99%

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Foliar Iron Fertilization of Peach (Prunus persica (L.) Batsch): Effects of Iron Compounds, Surfactants and Other Adjuvants

et al. 2006

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Experiments to assess the capability of different combinations of iron (Fe) compounds and adjuvants to provide Fe via foliar application to Fe-deficient plants have been carried out. A total of 80 formulations containing (1) one of five Fe-compounds [FeSO 4 Á7H 2 O, Fe(III)-citrate, Fe(III)-Ethylenediaminetetraacetic acid (EDTA), Fe(III)-Diethylenetriamine pentaacetic acid (DTPA), Fe(III)-Iminodisuccinic acid (IDHA)], (2) a surfactant (Mistol, alkyl-polyglucoside1 or alkyl-polyglucoside2), and (3) an adjuvant (glycerol, methanol or glycine-betaine) were studied with respect to leaf wetting ability and surface tension. From the initial formulations only 26 resulted in adequate leaf wetting, 20 with alkylpolyglucoside2 and 3 each with Mistol and alkyl-polyglucoside1, and some of them (four with alkyl-polyglucoside2, one with Mistol, and three with alkyl-polyglucoside1) were found to have inadequate surface tension values for use as foliar fertilizers. In a second experiment, 20 formulations containing alkyl-polyglucoside2 and one each of the five Fe-compounds and adjuvants listed above, were used for a foliar experiment with Fe-deficient peach trees [Prunus persica (L.) Batsch] grown under field conditions. Iron-deficient shoots were sprayed only once and leaf re-greening was assessed over 6 weeks for leaf chlorophyll content (via SPAD measurements) and percentage of green leaf area (via image analysis). Foliar Fe application always resulted in leaf Chl increases, although different degrees of re-greening were observed for the various Fe-compounds tested. Best results were obtained after treatment with formulations containing (in a decreasing order): Fe(II)-sulfate, Fe(III)-citrate, Fe(III)-EDTA, Fe(III)-IDHA, and Fe(III)-DTPA. A positive effect of adding glycerol, methanol or glycinebetaine was often observed, although the effect depended on each Fe-containing compound, indicating the existence of significant interactions between spray components. Results are of importance while trying to critically evaluate the potential of Fe sprays as a viable strategy to remedy plant Fe deficiency under field conditions.

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confidence: 79%

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Foliar Iron Fertilization of Peach (Prunus persica (L.) Batsch): Effects of Iron Compounds, Surfactants and Other Adjuvants

et al. 2006

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“…In order to prevent or cure mild Fe-chlorosis, a reliable tool could be represented by application of natural Fe compounds as foliar sprays (Tagliavini and Rombolà 2001;Abadía et al 2002). In the present work we show that tomato plants were able to utilize 59 Fe from foliarly applied 59 Fe-LS complexes ( Table 5).…”

Section: Discussionsupporting

confidence: 54%

Evaluation of 59Fe-lignosulfonates complexes as Fe-sources for plants

et al. 2009

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“…All attempts to understand the soil and foliar application of Fe fertilizers are aimed at restoration of Fe levels, improvement of the yield and reversion of Fe deficiency chlorosis. [20][21][22].…”

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confidence: 99%

Biofortification of Wheat with Iron

Riaz

Huda

Abbas

et al. 2017

Int J of Adv in Sci Res

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In various micronutrient-deficient countries, wheat is used as staple food, comprise more than 50% of the diet. Like many staple foods, wheat contains low concentration of iron (Fe). About two billion people globally have iron deficiency, especially in the regions where staple foods are based on cereal crops such as wheat. Because of high rate of Fe deficiency cases, increased Fe intake through staple food has become the main focused research area globally. As wheat is main source of protein and dietary energy for human beings, its potential to support reducing malnutrition related to Fe can be increased through producing genetically modified wheat varieties with high concentration of Fe. High Fe concentration in cereal crop is a major challenge. Even though during wheat is commonly fortify, promising and more long term solution is biofortification of wheat, which bases on the production of new wheat varieties with characteristically higher concentration of iron. Till now, may researches, which focused on increasing Fe in wheat, aimed at producing natural varieties in progenitor or related species. This review focused on the promising and sustainable approaching to maintain the improve concentration of iron in wheat.

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Correction of Iron Chlorosis by Foliar Sprays

Cited by 31 publications

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Foliar Iron Fertilization of Peach (Prunus persica (L.) Batsch): Effects of Iron Compounds, Surfactants and Other Adjuvants

Foliar Iron Fertilization of Peach (Prunus persica (L.) Batsch): Effects of Iron Compounds, Surfactants and Other Adjuvants

Evaluation of 59Fe-lignosulfonates complexes as Fe-sources for plants

Biofortification of Wheat with Iron

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