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What are the Symptoms of Potassium Deficiency in Crops?

Feb. 10, 2020

As a Potassium Fertilizer Supplier, share with you.

When potassium deficiency occurs in crops, the old leaves and leaf edges usually turn yellow, and then turn brown, and become burnt; brown spots or plaques appear on the leaves, but the middle of the leaves, veins and near veins are still green. With the intensification of potassium deficiency, the entire leaf becomes reddish brown or withered, necrotic and shed; the root system is short and few, prone to early senescence, rot in severe cases, and easy to lodging. The symptoms of potassium deficiency in the main crops are described below. Our company has Potassium Fertilizer on sale.

Potassium Chloride

Potassium Chloride

①Wheat: The plant is blue-green, the leaves are weak, and the upper, middle and lower leaves have yellow tips and edges, and the old leaves are scorched. The stems are thin, prematurely senescent, and easy to fall.

② Maize: The ratio of the length of the leaves to the nodes of the stems is imbalanced, the leaves are long, the stems are short, the tips and edges of the old leaves are brown and scorched, the stems are small and weak, and easy to lodging.

③Potato: Slow growth, short internodes, reduced leaf area, tightly arranged leaflets, forming a small angle with the petiole, rough leaf surface, shrinking and curling downward. The leaves were dark green in the early stage, then turned yellow, and then turned brown again. The change in leaf color gradually extended from the tip and edges to the whole leaf, and the old leaves in the lower part dried out and the inside of the tuber was blue.

④ Rice: The leaves are green with blue in the seedling stage, the old leaves are weak and undercover, the heart leaves are upright, the red-brown tissue necrosis appears at the tip of the middle and lower leaves, and the leaves have irregular red-brown spots. Then the old leaves are scorched and prematurely senescent. Paddy bushes scattered. The leaf sheath is short, the leaves are relatively long, the root system development is significantly damaged, and the grains lack luster and are not full. Easy to lodging and infection of leaf spot and blight.

⑤ soybean; potassium deficiency at seedling stage, small leaves, dark green leaves, lack of gloss. In the middle and late stages of potassium deficiency, the tips and edges of old leaves became green and yellow, and the veins were raised. Shrinking, the front end of the leaf curls downward, sometimes the petiole becomes brown, and the root system is old and premature.

⑥Cotton: In the early period of potassium deficiency, the mesophyll tissue faded into green and appeared yellow-colored patches. Severe potassium-deficient lower leaves are scorched and burnt, curling toward the bud. Cotton bolls are small, have poor flocculation, low disease resistance, easy premature aging, low yield, and poor quality.

Brassica napus: The tips and edges of the leaves begin to yellow and chlorotic along the veins. Brown patches or partial self-colored dryness. When severe potassium deficiency occurs, the mesophyll tissue is obviously burning, and the leaf margins are scorched and then withered. Some stem surfaces show brown stripes. The disease spots continue to develop, causing the entire plant to wither and die.

⑧Chinese cabbage: from the lower leaf edge to brown and dead, gradually develop to the inner or upper leaves, the lower leaves wither, and the ability to resist soft rot and downy mildew declines.

Our company also has Potassium Chloride on sale, welcome to consult.

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