Plant Nutrient Deficiencies in Plant Physiology - Midterms Topic Outline

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What is the term for the occurrence when an essential nutrient is not available in sufficient quantity to meet the requirements of a growing plant?

Nutrient deficiency

Which group of nutrients includes Boron (B), Calcium (Ca), and Iron (Fe) among others, that cannot move within the plant?

B, Ca, Cu

What is the term for spotted, irregular, inconsistent patterns observed on plant tissues?

Mottling

In plant physiology, what does the term 'interveinal chlorosis' refer to?

<p>Yellowing between leaf veins while the veins remain green</p> Signup and view all the answers

Which method involves checking the surroundings and buildings around the plant to diagnose plant issues?

<p>Soil testing</p> Signup and view all the answers

What symptom is described as a decrease in growth resulting in shorter height of affected plants?

<p>Stunting</p> Signup and view all the answers

Which element is a constituent of carbohydrates, necessary for photosynthesis?

<p>Carbon (C)</p> Signup and view all the answers

Which element is important in energy transfer and is a constituent of many proteins, coenzymes, nucleic acids, and metabolic substrates?

<p>Phosphorus (P)</p> Signup and view all the answers

Which element is involved in oxygen production during photosynthesis and is present in chlorophyll synthesis enzymes?

<p>Chlorine (Cl)</p> Signup and view all the answers

Which element is an enzyme activator, found in chlorophyll, and is a component of cell walls?

<p>Calcium (Ca)</p> Signup and view all the answers

Which element controls several oxidation-reduction systems, and plays a role in photosynthesis?

<p>Manganese (Mn)</p> Signup and view all the answers

Which element is believed to be important in sugar translocation and carbohydrate metabolism, as well as found in enzymes for electron transfer?

<p>Boron (B)</p> Signup and view all the answers

Which nutrient element is absorbed in the form of NO3-?

<p>Nitrogen (N)</p> Signup and view all the answers

What nutrient deficiency symptom is associated with reddish purple and drying of tips on younger leaves?

<p>Phosphorus deficiency</p> Signup and view all the answers

Which nutrient deficiency symptom causes edges of older leaves to look scorched, yellowing between the veins, and dead spots?

<p>Potassium deficiency</p> Signup and view all the answers

What is the concentration range for Copper (Cu2+) in dry plant tissue?

<p>5 - 20 ppm</p> Signup and view all the answers

Which nutrient results in small dead spots appearing in areas that have yellowed but with green veins?

<p>Manganese (Mn)</p> Signup and view all the answers

What does a Boron deficiency cause in young leaves?

<p>Twisted appearance</p> Signup and view all the answers

What color precipitate is formed in Benedict's test?

<p>Brick red</p> Signup and view all the answers

In Seliwanoff's test, what color solution is observed?

<p>Orange or red</p> Signup and view all the answers

What is the purpose of the iodine test?

<p>To identify photosynthetic pigments</p> Signup and view all the answers

What type of solvent is used as the mobile phase in plant paper chromatography?

<p>Ether-n butyl-alcohol-acetone-distilled water</p> Signup and view all the answers

Which solvent front process allows pigment movement in paper chromatography?

<p>Capillary action</p> Signup and view all the answers

What is the purpose of grinding a small amount of fresh plant sample with distilled water before chromatography?

<p>To extract organic constituents</p> Signup and view all the answers

What is the correct procedure for ashing the oven-dried material to obtain gray ash?

<p>Cool the sample, crush it into small pieces, and put in a clean crucible before heating until gray ash forms</p> Signup and view all the answers

Which substance is used to produce a white precipitate when testing for Magnesium (Mg) according to the text?

<p>Saturated ammonium oxalate solution</p> Signup and view all the answers

What is the purpose of adding 10 mL distilled water and 5 mL diluted nitric acid to ash the sample?

<p>To dissolve the inorganic constituents</p> Signup and view all the answers

What should be done after adding 1 mL saturated ammonium oxalate solution when testing for Calcium (Ca)?

<p>Let stand for 1 minute</p> Signup and view all the answers

Which activity from the text involves determining moisture, dry matter, and ash contents of plant tissue samples?

<p>Activity 6: Plant Chemical Analysis</p> Signup and view all the answers

What is the recommended procedure for obtaining a white precipitate when testing for Magnesium (Mg)?

<p>Add 5 mL of ash solution to 10% ammonium chloride and dilute ammonium hydroxide, then let stand for 5 mins</p> Signup and view all the answers

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