... 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
148 Handbook of Plant Nutrition
FIGURE ... tissues.
152 Handbook of Plant Nutrition
CRC_DK2972_Ch006.qxd 6/14/2006 7:04 AM Page 152
178 Handbook of Plant Nutrition
152. P.C.R. Fontes, M.A. Mor...
... of 100 mg kg
Ϫ1
(68). Because igneous rocks and parent materials in gen-
eral contain only minor amounts of chloride, little of this nutrient arises from weathering. Most of
286 Handbook of Plant ... J. Plant Nutr. 23 :126 7 128 1, 2000.
83. R.G. Taylor, T.L. Jackson, R.L. Powelson, N.W. Christensen. Chloride, nitrogen form, lime, and plant-
ing date effects on take-all rot...
... benefited the growth of nitrogen-fixing species of plant was
demonstrated by Bertrand and DeWolf (28), who reported that soil-nickel application to field-grown
398 Handbook of Plant Nutrition
CRC_DK2972_Ch014.qxd ... United States, the long-described but poorly understood
symptoms of ‘mouse-ear’ or ‘little-leaf disorder’ (Figure 14.4) have recently been shown to be due
402 Handb...
... 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...
... Other Effects 125
5.3 Diagnosis of Calcium Status in Plants 125
5.3.1 Symptoms of Deficiency and Excess 125
5.3.2 Concentrations of Calcium in Plants 128
5.3.2.1 Forms of Calcium Compounds 128
5.3.2.2 ... 8:49 AM Page 129
136 Handbook of Plant Nutrition
TABLE 5.2
Deficient and Adequate Concentrations of Calcium in Fruits of Various Plant Species
Concentration i...
... 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-...