Deficiencias y Toxicidad

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Deficiencias y toxicidad en las plantas

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mhara alonso

Mexico

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Deficiencias y Toxicidad


Deficiencias y ToxicidadVersion en ligne Deficiencias y toxicidad en las plantas par mhara alonso 1 ¿Qué deficiencia de nutrientes comienza manifestándose con el amarillamiento de las hojas más viejas? a Calcium (Ca) deficiency b Iron (Fe) deficiency c Potassium (K) deficiency d Nitrogen (N) deficiency 2 What symptom is typical of potassium (K) deficiency? a Excessive flowering b Stunted root growth only c Chlorosis of young leaves d Necrosis at leaf margins 3 Calcium (Ca) deficiency commonly causes which issue in young meristematic tissues? a Root tip proliferation b Apical necrosis and distorted new growth c Increased leaf thickness d Chlorosis of old leaves 4 Which symptom is associated with iron (Fe) deficiency? a Stunted root elongation only b Interveinal chlorosis in young leaves c Uniform yellowing of all leaves d Necrosis at leaf margins 5 Phosphorus (P) deficiency can cause what visible change in leaves? a Purple or dark leaves b Bright green uniform color c Leaf hyperhydration d White spotting on surfaces 6 What is a common symptom of zinc (Zn) deficiency? a Excessively large fruits b Overgrown leaves with long internodes c Necrosis only at leaf margins d Small leaves with short internodes 7 Magnesium (Mg) deficiency typically presents as what on older leaves? a Purple stem pigmentation b Spots only on new leaves c Global necrosis of all tissue d Interveinal chlorosis 8 Boron (B) deficiency is associated with what reproductive issue? a Floral and fruit deformities, poor pollination b Leaf curling without fruit impact c Enhanced fruit set d Stem thickening only 9 What general symptom indicates nutrient toxicity rather than deficiency? a Only root symptoms with no leaf signs b No visual symptoms yet c Leaf burn at margins and necrotic edges d Uniform chlorosis across all leaves 10 According to the materials, why is visual diagnosis alone insufficient for nutrient balance? a Because symptoms are never reliable b Because only lab tests can detect deficiencies c Because atypical symptoms require soil and tissue analyses d Because visual signs appear only after yield loss Explicación 1 N deficiency often shows chlorosis starting in the older leaves before younger ones. 2 K deficiency commonly causes necrosis at the edges (margins) of leaves. 3 Ca deficiency often leads to necrosis at the growing tips and deformities in young tissues. 4 Fe deficiency typically shows chlorosis between veins in new leaves. 5 P deficiency often leads to dark or purplish discoloration due to reduced chlorophyll and metabolism. 6 Zn deficiency can cause stunted growth with compact leaves and short internodes. 7 Mg deficiency often shows chlorosis between veins in older leaves. 8 B deficiency can cause flower and fruit malformations and poor fertilization. 9 Toxicities often manifest as foliar burn and necrosis, especially at leaf margins. 10 The slides emphasize complementing visual signs with soil and tissue analyses for accurate diagnosis.

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Deficiencias y Toxicidad

Test

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Deficiencias y ToxicidadVersion en ligne

par mhara alonso

¿Qué deficiencia de nutrientes comienza manifestándose con el amarillamiento de las hojas más viejas?

What symptom is typical of potassium (K) deficiency?

Calcium (Ca) deficiency commonly causes which issue in young meristematic tissues?

Which symptom is associated with iron (Fe) deficiency?

Phosphorus (P) deficiency can cause what visible change in leaves?

What is a common symptom of zinc (Zn) deficiency?

Magnesium (Mg) deficiency typically presents as what on older leaves?

Boron (B) deficiency is associated with what reproductive issue?

What general symptom indicates nutrient toxicity rather than deficiency?

According to the materials, why is visual diagnosis alone insufficient for nutrient balance?

Explicación