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What is the expression of peanut calcium deficiency? How to prevent?

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, Symptoms of iron deficiency peanut performance for the upper part of the tender leaves chlorosis, while the lower part of the old leaves and veins remain green; severe iron deficiency, veins chlorosis and yellowing, the upper part of the new leaves all white, brown spots necrosis, dry and fall off. Control methods can choose 0.1%~0.2% ferrous sulfate solution foliar spray...

What is the expression of peanut calcium deficiency? How to prevent? (1) Calcium deficiency characteristics: peanut calcium deficiency makes a certain amount of peanut germ black, that is, the so-called "black germ disease", reducing seed germination rate. Serious calcium-deficient land people "bubble pod", namely fruit pod appearance big, pod shell thick, seed plant small. Tianli gave birth to this phenomenon. Calcium deficient plants have chlorosis of leaves, rupture of petioles, failure of teeth and damage of system. (2) Control measures: lime and gypsum are applied in the land with serious calcium deficiency, and the effect is better in the fruiting layer at the initial flowering stage. It is appropriate to apply 15~25 kg per mu.

 
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