Division of Horticultural Research Technical Paper, Issue 1 |
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appearance of symptoms bands along main basal leaves Boron excess Calcium deficiency chloride excess Chlorophyll continued treatment control plant top control shoot copper excesses cultivar deficiency showed Deficiency Treatments foliar symptoms green bands green interveinal areas increasing stress interveinal areas became iron deficiency iron-deficiency symptoms Knickmann 1955 leaf symptoms leaves as pale m-equiv/l magnesium deficiency main veins manganese deficiency marginal yellowing minor elements necrosis necrotic margins necrotic spotting nitrogen nitrogen-deficient plants nutrient disorders nutrient solution pale green areas pale green interveinal petioles phosphorus Phosphorus deficiency Phosphorus-deficient plant top left potassium deficiency R. C. WOODHAM rapidly expanding leaves recently matured leaves reduced reduction in shoot severe stress shoot elongation shoot extension shoot growth shoot show shoot tip shoot where symptoms shows symptoms sodium excess Stellwaag and Knickmann stock solutions stress these areas sulphate excesses sulphur sulphur-deficient plant Sultana Vine symptoms extended symptoms first appear Symptoms of Malnutrition Vitis vinifera zinc