
Make a table showing macroelements, the region of plants in which required functions, and their deficiency symptoms.
Answer
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Hint: Macro-elements are found in significant (macro) quantities in plant tissues. Carbon, hydrogen, nitrogen, oxygen, sulfur, phosphorus, calcium, potassium, and magnesium are all macronutrients. Insufficient nutrient supplies adversely affect plant development, resulting in stunted growth, slow growth, etc.
Complete answer:
Note: If a plant cannot complete its life cycle without it if no other element can perform the same role, and if it is directly involved in nutrition, then an element is necessary. A micronutrient is called an essential nutrient that is needed in very small quantities. While carbon, hydrogen, and oxygen are macronutrient elements, they are not in the true sense of the word minerals but are still included in the list as they are most important to plant life. Often these three components are called framework elements.
Complete answer:
| Macro element | Region | Function | Deficiency | Symptom |
| Nitrogen (N) | Required by all parts of a plant, particularly meristematic tissues and cells active in metabolism. | Nucleic acids, proteins, vitamins, and hormones, porphyrins, and coenzymes are the main constituents. | A deficiency in nitrogen causes a lack of vigor and color. | Lateral buds dormancy, slow blooming. In older leaves chlorosis occurs first. Development becomes sluggish, and leaves fall, beginning at the plant's bottom. |
| Phosphorus (P) | Is a component of all nucleic acids and nucleotides, cell membranes, and some proteins. | ATP, and NADP portion. Involved in changing resources. Needed for any reaction with phosphorylation. | Tea yellow disease | Reduced growth, encouraging leaf collapse, and delaying bloom. |
| Sulfur (S) | Contained in amino acids-cysteine and methionine. | A sulfur component which contains vitamins (biotin, thiamine) and coenzyme-A. | Chlorosis in leaves that are young. | Veins do not hold a green color and can be much darker in certain cases than the interveinal tissue. |
| Calcium (Ca) | Middle lamellar section. | It helps to stabilize chromosome structure necessary for root and stem apex growth, conversion of toxic oxalic acid to calcium oxalate.Used in cell wall synthesis during cell division (in middle lamella, calcium pectate). | Wilther tip disease. | Root death and advice. Yellow and brown spots on the leaves are caused by calcium insufficiency. |
| Magnesium (Mg) | Component of chlorophyll. | Activates the respiratory enzymes and the photosynthesis.Involved in the Synthesis of RNA and DNA.Helps preserve the structure of the ribosome. | The Necrotic Spots' presence. | Symptoms of Mg deficiency include interveinal chlorosis, and yellow or reddish-purple leaf margins while the midrib remains green. There will be distinct mottling in wheat as yellowish-green patches, and the alfalfa leaves can curl and have reddish undersides. |
| Potassium (K) | Needed in large quantities in meristematic tissues, leaves, buds, and tips on the root. | Helps maintain a balance between anion and cation, and retains cell turgidity.Involved in protein synthesis, enzyme activation, and stomatal opening and closing. It's required for about 40 enzymes as a cofactor. Essential for permeability, stomatal motion, and food translocation. | If there is an insufficiency of potassium, dark spots develop on the leaves. | Hinders protein synthesis |
Note: If a plant cannot complete its life cycle without it if no other element can perform the same role, and if it is directly involved in nutrition, then an element is necessary. A micronutrient is called an essential nutrient that is needed in very small quantities. While carbon, hydrogen, and oxygen are macronutrient elements, they are not in the true sense of the word minerals but are still included in the list as they are most important to plant life. Often these three components are called framework elements.
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