Some observations of potassium deficiency in chrysanthemum

Hershey, David R.; Paul, J. L.

doi:10.1080/01904168109362889

Cited by 2 publications

(1 citation statement)

References 5 publications

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“…During the experiment, K defıciency symptoms, consisting of grazing and bronzing of the leaf underside at low level K rates (0-50 ppm) was observed. This observation is in agreement with those reported by Hershey and Paul (1983). Woodson and Boodley (1982) reported that low K (1.0 meq/1) limited the growth and flower production of greenhouse roses.…”

Section: Height Fresh Weight and Dry Weightsupporting

confidence: 93%

DETERMINATION OF POTASSIUM REQUIREMENT AND EFFECTS OF POTASSIUM FERTILIZATION ON GROWTH PARAMETERS OF HYPOESTES (Hypoestes sanguinolenta)

Ali;KARAMAN¹

1995

Tarım Bilimleri Dergisi

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Hypoestes Hypoestes sanguinolenta were planted in PVC pots filled with perlite and irrigated with nutrient solutions of variable potassium contents. The height, fresh and dry weights and mineral composition of top and root and nutrient uptake were evaluated. The results obtained showed that increase of the K level in the nutrient solution up to 100 ppm increased the height of top and root, and growth. Above this level, they were affected adversely. Mineral composition of plants showed similar tendency to that of growth. Top and root height showed approximately threefold an one and a half fold increase over to the control at 100 ppm K level reaching from 15.9-to 43.4 cm and 16.1-to 24.3 cm respectively for top and root. Fresh and dry weights increased from 3.17 to 18.96; 0.49 to 2.49 g/pot for top and 1.92 to 6.19; 0.16 to 0.50 g/pot for root respectively at the same K rates. While uptake and contents of P with K uptuke by both top and root increased up to 100 ppm K level, each increment of K in nutrient solution resulted in increasing in K concentration.

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Section: Height Fresh Weight and Dry Weightsupporting

confidence: 93%