OilPalm-NutrientDefSymptoms Uploaded by shaharuddin_yahaya
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Deciency Symptoms in Oil Palm Leaf symptoms
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Plant symptoms
Likely environments =
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n e g o r t i N
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P
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s u r o h p s o h P
K
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Mg m u
Short fronds. Stunted; reduced vegetative growth. Trunk diameter decreases with increasing height (pyramid shape). Eroded topsoils. P-fixing sedimentary sedimentary soils. Soils from volcanic volcanic ash.
e g a n i a r D
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P
s t n a l P r e v o C
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Mg Mg
Cu r e p p o C
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m u i s s a t o P
Waterlogged conditions (pH (pH <4). Shallow or compacted compacted soils. soils. After application of organic residues with wide C:N ratio.
Oil Palm Nutrient Deficiency
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Small, pale green or yellow, yellow, occurring first at the lower fronds. Degree of yellowing yellowing indicates severity of deficiency. deficiency. Yellow rachis rachis and midribs with narrow leaflets that roll inwards. Tips of affected leaflets leaflets may turn purplish brown. Reduced frond production and plant growth rate. Reduced petiole cross section (PCS) in mature palms. Delay in onset of first harvest Reduction in yield.
Nutrient- Oil Palm
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Confluent orange spotting, diffused midcrown yellowing or white stripe Yellowing or white stripe. Chlorotic or necrotic spots on older fronds. Flat-topped appearance in young palms. Reduced frond size and delayed development of entire crown. Peat soils. Shallow or compacted compacted soils. soils. Low pH sandy sandy soils. Ex-forest or savannah savannah grasslands where intensive cropping was practiced.
Fe
n o r I
Olive green to ochre patches on leaflets exposed to light, but shaded pinnae remains green. Ochre to bright yellow fronds that turn necrotic. Sandy soils with shallow or eroded topsoils. High rainfall areas areas (>3,500
