Through agronomical, cultural, physiological, genetical or molecular approaches?
Use Arbuscular Mycorrhizal Fungi (AMF) which has the following advantages
Increases the efficiency of nutrient uptake, especially phosphorus, zinc and copper.
Plant withstand adverse conditions such as water stress, salinity and flooding.
Increases the plants ability to tolerate soil borne pathogens such as Fusarium and Phytophthora
Thank You for your valuble info @ Jacinter Oteieno and Maninder Walia.
Is there any molecular approaches available to increase uptake?
hi,
1. Application of Organic manures is most important way to enhance micro nutrient content in any crop.
2. Application of ZnSo4 and FeSo4
3. through biofortification (adding ZnSo4 and FeSo4 while composting)
4. Through addition of biofertilizers like Azospirillum and VAM helps in uptake of nutirents particularly Zn and application of PSB not only helpful in uptake of Phosphorus and also helpful in uptake of Fe through siderophors.
Thank you
Thank you for your valuable informations @ Dr. CM, Maninder Walia, Jacinter Oteino.
Dr. C M, If you have info. on molecular aspects, on improving Fe and Zn nutrition?
How to improve through molecular approaches?
Millets are generally rich in the Zn and Fe in comparison to the other cereals like wheat and rice, so they are referred to as nutri-cereals.
however the intensity of the Zn and Fe can be increased by proper nutrition strategy, some of the promising agronomic measures are foliar spry of Zinc/ferrous sulphate or combined application in vegetative stage before flowering, application of zincated urea and fortified fertilzation. Research evidences indicate selection of the source of zinc and ferrous application are also determining, Application of the enriched Zinc and iron manures coupled with the blending of the respective solubilizing bacteria.
Zinc concentration can be increased effectively in comparison to the iron concentration, wherein homeostasis become functional. Zinc biofortification studies indicate geographical overlap of the soil deficiency with the zinc deficiency in human. So fertilization is an effective strategy.
Apart from this selection, hydridization are important breeding tools.
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