ibps-so 2016 · Question 324 of 394

A sweet orange orchard nanced by the branch has reported a heavy loss in the ambia crop. The fruits split from the stylar end upwards while still on the tree, the split fruits drop and rot, and the loss is worst on the light, sandy patches of the orchard and after a spell of rain following a dry period. On cutting the unsplit fruits the o cer nds the rind thin and the segments loosely lled, and the leaf analysis returned by the laboratory shows one micronutrient far below its critical level while all the major nutrients are adequate. The consultant advises two sprays of a soluble salt of that nutrient at fruit set and again a month later, together with steadier irrigation, and the eld o cer has to name the nutrient correctly before the cost of the sprays is added to the crop loan for the coming season. Fruit cracking in citrus is caused by the de ciency of

1. ABoronCorrect
2. BCalcium
3. CZinc
4. DMolybdenum
5. ECopper