1- inorganic ions Flashcards
1
Q
nitrate ions
A
to make DNA and amino acids
2
Q
nitrate ions deficiency
A
- stunted growth
- yellowing leaves (chlorosis)
- older leaves may die off
3
Q
appearance due to nitrate ions deficiency
A
- stunted growth
- pale green-yellow colour
4
Q
calcium ions
A
to form calcium pectate for the middle lamellae
5
Q
calcium ions deficiency
A
- causes poor root and leaf development
- curling of young leaves
- damage to older leaves
6
Q
appearance due to calcium ion deficiency
A
- distorted leaf shape
- necrotic leaf tips
7
Q
magnesium ions
A
to produce chlorophyll
8
Q
deficiency of magnesium ions
A
- causes interveinal chlorosis
- reduced photosynthesis
- premature leaf fall
9
Q
appearance due to magnesium ion deficiency
A
- yellow leaves with green veins (interveinal chlorosis)
10
Q
phosphate ions
A
to make ADP and ATP
11
Q
phosphate ion deficiency
A
- stunts growth
- reduces seed and fruit development
- causes darkening of foliage
12
Q
appearance due to phosphate ion deficiency
A
- stunted growth
- reduced flowering and fruiting
- dark green leaves
