Yellow leaves on cucumbers: causes and methods of struggle

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2020-06-09 04:20:09

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Cucumber belonging to the family Cucurbitaceae, originating in India. Therefore, it is heat-, light - and moisture-loving. In the process of growing many gardeners, despite careful maintenance, puzzled by the problem of yellowing leaves. Reasons for this can be many.

yellow leaves on cucumbersYellowing leaves on cucumbers in the defeat of the terrible disease - downy mildew. It develops quickly, if the humidity increased, mainly in cold weather. On the upper side of adult leaves near the veins appear yellowish oil stains, and on the lower side of the observed white-purple plaque. With time these leaves, starting with spots wither. The rapidity of development of the process may be such that after a week it seems like arrived deep autumn. About fruiting it go can not.

Once the symptoms are identified, it is necessary to stop watering, ventilate the greenhouse, the soil under the cucumbers to fill with something drying, for example, chalk or wood ash, leaves with spots to remove and burn. Healthy leaves should be sprayed bright pink solution of potassium permanganate to stop the growth of pathogens.

More often in greenhouses extends bacteriosis (a disease of cucumbers). Yellow leaves first angular spots, which later dry up. On the bottom side leaves of cucumber spots yellowThese pink leaves visible droplets of liquid. The same muddy drops are detected on the sores of the fruit. The disease is progressing rapidly in wet weather. It is known that cucumbers don't like drafts, but the greenhouse must be constantly aired, because of bacteriosis and stem rot they suffer even more.

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As soon As the yellow leaves on the cucumbers, they need to spray garlic extract (200 g of crushed leaves and arrows, filled with 5 liters of water and infused for 4 hours). Watering in the greenhouse to minimize, to feed the infusion of various weeds or manure (fresh), give additional potassium fertilizer. You can treat affected plants with Bordeaux liquid, but after that, for 20 days to use the fruit food to be unsafe.

The Leaves of cucumber spots turn yellow, getting a yellow-green color, lack of micronutrients. It's the least all of them angry. They must be fed special fertilizer, diluted according to the instructions. To do so, preferably in the evening, after watering.

disease of cucumbers yellow leavesIf the damage is spider mites first fade, then turn yellow leaves on cucumbers and later die. These insects are very small, visible only under a magnifying glass. To get rid of them by processing garlic infusion, provided that he will get on the underside of leaves. The use of chemicals is undesirable, as the cucumbers will become dangerous for ingestion for almost 3 weeks.

Yellow leaves on cucumbers and attack black melon aphid. This happens usually in August. Against her better use garlic, pine needles, green soap and other home remedies. The body of the aphid is very gentle and even water heated to 50 0C, shall lose it, and the plant will not harm.

As you can see, reasons why yellow leaves on cucumbers, a lot, and ways of dealing with this phenomenon even more. Measures taken in time will help to cope with any adversity, without which there is no holiday season. Be mindful of your planting, and they will reward you with abundant crops.


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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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