Can foliar iron-containing solutions be a potential strategy to enrich iron concentration of rice grains (Oryza sativaL.)?

Green gram (Vigna radiata L.) Productivity and Grain Quality enrichment through Zinc Fertilization

“…For green gram, the viability, vigour and protein contents may be the prime quality characteristics that determines market price. The possible explanation for increasing crude protein content is that zinc is involved in protein metabolism through several enzyme systems (Singh and Badhoria, 1984;Zhang et al, 2009). …”

Influence of Neem Coated Urea and Micronutrients on Performance of Rice under Aerobic Condition

“…The difference in soil N dynamics and pathways of N losses in dry sown rice system may result in different fertilizer N recoveries. With even high N applications in aerobic rice, grain filling may be limited by a low contribution of post anthesis assimilates (Zhang et al, 2009). Fertilizers upon addition to soil are subjected to numerous reactions, transformations and nitrogen losses mechanisms.…”

Agronomic Biofortification of Paddy through Nitrogen, Zinc and Iron Fertilization: A Review

“…They reported that most of the variation in Fe content in the seed was due to its genetic component and that environmental effects have a small impact, similarly genetic differences in Fe content of common bean seeds are expressed over different season and in different environmental. Zhang et al, (2009) observed enrichment of Fe in rice grains with different sources of Fe containing compounds by foliar application. They found that foliar application of Fecontaining solutions could improve the nutritive levels of rice grains.…”

“…They reported that the Fe concentration in brown rice was increased up to 10.28 mg kg -1 as compared to the control (6.52 mg kg -1 ) with foliar application of Fe and N mixed fertilizer. Zhang et al, (2009) reported that there was the highest concentration of Fe in polished rice (4.7 mg kg -1 ) of the japonica "Bing 98110" with foliar spray of FeSO 4 and it increased significantly (88 per cent) as compared to the control. Zhang et al, (2008) studied Fe and zinc biofortification in polished rice and accumulation in rice plant as affected by nitrogen fertilization using two rice varieties namely, Zhenong 952 and japonica Bing 98110.They found that there was the highest concentration of Fe in the polished rice of "Zhenong 952" with the application of N as compared with no N supply.In another study conducted by Gregoria et al, (2000), they reported a wide variation of Fe content in rice grains among rice varieties and also in same varieties.…”

“…They found that fortification of seeds or foliage with Fe for food and feed implies sufficient storage capacities, which could be provided by phytoferritin and constitutive expresses ion of ferritin in tobacco resulted in a 30 per cent increase in leaf Fe content and about 2 fold elevated Fe in rice seeds and seed-specific expression even achieved 3 fold Fe levels in rice seeds under regular Fe nutrition. In a pot experiment on rice crop, Zhang et al, (2009) observed the enrichment of Fe in rice grains by foliar application of Fe containing different compounds. They reported that foliar application of Fe-containing solutions like Feamino acid and FeSO 4 .7H 2 O could improve the nutritive levels of rice grains and there was significant increase in Fe content of rice up to 80 per cent as compared to control.…”