Handbook of Plant Nutrition - chapter 21 doc

... 1972. 596 Handbook of Plant Nutrition CRC_DK2972_Ch 021. qxd 7/1/2006 7:33 AM Page 596 590 Handbook of Plant Nutrition TABLE 21. 2 A List of Concentrations of Vanadium in Various Plant Species Plant ... plants, leaf 100 µmol V L Ϫ1 Oldest 98.7 104-day-old plants, part of stem 100 µmol V L Ϫ1 Root 5680 104-day-old plants, 100 µmol V L Ϫ1 Root 9.16 104-day-old plants,...

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... 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...

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... 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...

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... concentrations of the two solutions were applied, the active mass of the ZnSO 4 solution was only 75% of that in the Zn(NO 3 ) 2 solution. Application of a 1 0- L drop of a 200 mg L Ϫ1 solution of 65 ZnSO 4 resulted ... the absence of applied sulfur, adding of ZnSO 4 in excess of 20 kg per tree was required to raise zinc concentrations in leaflets in June or September 1966...

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... Silicon in Plants 553 19.3.1 Plant Absorption of Silicon 553 19.3.2 Forms of Silicon in Plants 553 19.3.3 Biochemical Reactions with Silicon 553 19.4 Beneficial Effects of Silicon in Plant Nutrition ... elevated plant- available silicon levels have higher activ- ities of chitinases and -1 ,3-glucanase, are less susceptible to a fungal leaf spot pathogen and accu- mulate more fo...

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... 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...

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... 0.45–0.60 211 (Cichorium Maturity YML 0.35–0.45 211 endiva L.) 6-L YML 0.50 212 Lettuce 28 DAP L 0.55–0.76 213 (Lactuca 8-L stage MR/YML Ͻ0.43 214 sativa L.) Mid-growth MR/YML Ͻ0.40 215 Mid-growth ... from 0.15 0.25 206 GT PO 4 -P 1st Mature P/6th L from 0.10 0.20 206 fruit GT PO 4 -P Onion 2-leaf 0.44 216 (Allium cepa L.) 4-leaf 0.31 216 6-leaf 0.34 216 Peas Mid-growth YML...

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... Differential 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 ratio. Plant Physiol. ... 1997, pp. 370–377. 120 Handbook of Plant Nutrition CRC_DK2972_Ch004.qxd 6/30/2006 1:55 PM Page 120 104 Handbook of Plant Nutrition TABLE 4.5 Potassium Concentrations...

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... 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...

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... 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-...

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