... glutathione
S-transferase (70–72).
R-X ϩ GSH ⇒R-SG ϩ X-H
The activity of glutathione S-transferase may be enhanced in the presence of various xenobi-
otics via induction of distinct isoforms of the ... rape.
More than 80% of the total sulfur in Allium species is present in secondary compounds.
Allium species contain four S-alk(en)yl-L-cysteine sulfoxides, namely S-1-propenyl-, S-2-...
... Handbook of Plant Nutrition
CRC_DK2972_Ch017.qxd 6/30/2006 1:44 PM Page 502
56. R.J. Ganson, R.A. Jensen. The essential role of cobalt in the inhibition of the cytosolic isozyme of
3-deoxy-D-arabino-heptulosonate-7-phosphate ... glyphosate of an
earlier pathway enzyme that is located in the cytosol of higher plants, 3-deoxy-D-arabino-
heptulosonate-7 phosphate synthase (DS-C...
... 570–571
Sodium
and inhibition of protein synthesis, 93–94
and inhibition of uptake of calcium, 165 , 572
and inhibition of uptake of magnesium, 152, 165 , 572
and inhibition of uptake of potassium, 93–94, ... 383
Fluvo-aquic soils, 586, 587
Fly ash, 219, 524, 585
Foliar application
of boron, 268
of calcium, 139
of copper, 312
of iron, 344, 345
of molybdenum, 387, 388...
... for assessment of the nutritional
status of plants.
This handbook covers principles of plant nutrition from a historical standpoint to current knowl-
edge of the requirements of crops for certain ... composition of plants in response to soil-
borne elements and to fertilization of crops in the soil or in soil-less media, as in hydroponic cul-
ture of plants. A compilatio...
... accumulation of nitrogen.
a
Optimum or sufficient values for maximum yield or for healthy growth of plants will vary
with species, age, and nutrition of plant, position of organ on plant, portion of plant ... little importance in nitrogen nutrition of plants.
34 Handbook of Plant Nutrition
TABLE 2.6
Fractions of Nitrogen in Soil Organic Matter
Following Acid Hydrol...
... 0.02–0.15 0 .16 1.30 166
(Beta vulgaris L.) PO
4
-P
25 DAS Oldest P 0.05–0.15 0 .16 0.50 166
PO
4
-P
25 DAS Oldest L 0.05–0.32 0.35–1.40 166
PO
4
-P
NS PYML 0.15–0.075 0.075–0.40 167
PO
4
-P
NS YML ... 0.18–0.29 131
PO
4
-P Mid till Y blade 0.1 0.1–0.18 161
PO
4
-P Max till Y blade 0.08 0.1–0.18 161
PO
4
-P Pan init Y blade 0.08 0.1–0.18 161
PO
4
-P Flagleaf Y blade 0.1 0.08–0.1...
... on the Effects of Potassium on Physiology of Plants. Norcross, Georgia, USA: Potash and
Phosphate Institute, 1999, pp. 33–41.
116 Handbook of Plant Nutrition
TABLE 4.13
Effect of Potassium Fertilizer ... ammonia-elicited
changes of cytosolic pH in root hair cells of rice and maize as monitored by 2(,7(-bis-(2-car-
boxyethyl )-5 (and 6-) -carboxyfluorescein-fluorescence ra...
... AM Page 129
136 Handbook of Plant Nutrition
TABLE 5.2
Deficient and Adequate Concentrations of Calcium in Fruits of Various Plant Species
Concentration in Fresh
Plant Plant Type of
Matter (mg kg
ϪϪ
1
)
Species ... by plants. II. Effects of plant species, nitro-
gen concentration in the plant, cation concentration, activity and activity ratio in soil solution. Plant
Soi...
... different plant parts may be affected by the
status of other elements in the plant (143 ,164 ,189). Similarly, the ability of magnesium to remo-
bilize and translocate out of a particular plant organ ... magnesium-deficient leaves, however, usually results in the loss of plastic
pigments from most plants (55). On an individual leaf, as well as on a whole plant basis, deficiency
14...