Farmers in a particular region were concentrated that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?
Frequent irrigation of the crop
Treatment of the plants with cytokinins along with a small dose of nitrogenous fertilizer
Removal of all yellow leaves and spraying the remaining green leaves with 2, 4,5-trichlorophenoxy acetic acid
Application of iron and magnesium to promote synthesis of chlorophyll
Related Questions
Manganese is required in
Nucleic acid synthesis
Plant cell wall information
Photolysis of water during photosynthesis
Chlorophyll synthesis
Read the functions given below and identify the concerned nutrient
I. Activator of catalase
II. Important constituent of cytochrome
III. Important constituent of proteins involved in ETS
IV. Essential for chlorophyll synthesis
Mo
Fe
Cu
Ca
Molybdenum deficiency primarily affects which metabolic process in plants?
Photosynthesis
Respiration
Nitrogen fixation
Transpiration
About 98% of the mass of every living organism is composed of just six element including carbon, hydrogen, nitrogen, oxygen and
Phosphorus and sulphur
Sulphur and magnesium
Magn0esium and sodium
Calcium and phosphorus
Which of the following elements can be considered as macronutrients for plants?
Zinc
Boron
Nickel
Phosphorus
Zn, Mo, Fe, Cu are
Trace elements
Non-essentials
Macronutrients
None of these
A deficiency in which micronutrient would directly impair the oxygen-evolving complex in photosystem II?
Zinc (Zn)
Copper (Cu)
Manganese (Mn)
Molybdenum (Mo)
Insectivorous plants live in a soil that is usually deficient in
Nitrate
Chloride
Potassium
Magnesium
Damage to which part of the root tip would most directly inhibit its ability to grow longer?
Root cap
Zone of elongation
Apical meristem
Root hairs
Minerals involved in redox reactions in plant cells are
N, Cu
Fe, Cu
Ca, Fe
Na, Cu
