How great to have on the table beautiful juicy cucumbers grown on their own and even in the winter time, when there has not yet begun flowering, because it's cold.Have your harvest to the table not only delicious, but it's nice, but it's still and quiet for their own health - you know that your cucumbers have no nitrates.
Growing cucumbers in a greenhouse - it is rewarding work, however, is not so easy as it seems.Greenhouse - a favorable environment for the development of various diseases affecting vegetable crops, so you need to be attentive to promptly react and prevent disease spread.What should pay attention to?
Symptoms of cucumbers in the greenhouse
- lower leaves began to turn yellow, and the growth of the main stem and the side shoots slowed considerably and Zelentsy purchased pointed like a wedge shape.All this indicates that the plant is not enough nitrogen.
- Stem suddenly stopped in the growth and the leaves are dark green, small and very quick drying.The presence of these features suggests that plants need phosphorus.
- appearance on plants white border whereby ye shall idea that plants do not have enough potassium.
- If suddenly the tips of the leaves, young buds become brittle and dry, it speaks of the lack of a sufficient amount of potassium in the soil.
- appearance on pieces of the middle and upper tiers of white spots chlorotic species - perhaps the soil is acidic or lime in it a lot.
Once you see that your plants have begun to change and deviate from the norm - do not hesitate.To prevent the disease in greenhouse cucumber crop and save only timely and correct solution.
Why yellow cucumbers in the greenhouse
Diseases of cucumber in the greenhouse can be of different nature.One of the signs of plant disease is yellow cucumber.What causes this?The reason may be several:
- case of violation of temperature plants may turn yellow.This is possible with a very hot and humid microclimate, or on the contrary the temperature is too low.
- Wrong watering, can also be the cause of yellowing plants.
- lack of essential trace elements in the soil, such as phosphorus and nitrogen.
- chose the wrong grade.If you plant in the greenhouse pcheloopyljaemogo cucumber varieties, the harvest will not be because they do not who will pollinate the plants.
- Lack of light may also cause yellowing.
- If in one place for several seasons to plant a culture of accumulation of infections can occur in the soil.
- Just yellowing may be the result of incorrect topping.The result is that the plant can be handled at the same time a large number of ripening fruit.
- A plant may already old and he just supposed to turn yellow and wither.
Diseases of cucumber in the greenhouse may be activated due to the emergence of another "dome" of leaves under a roof.Plants grow and form a shadow, and as a result of the lower tiers of the plant start to turn yellow.To avoid this the plant should be formed so as to prevent this.If this happens, remove the lower leaves yellowing using a knife or garden pruners, and in any case does not peel off their hands so as not to harm the whole plant, which is a fragile and delicate.
emergence roofed arch greenhouses often occurs due to thickening of plants in a greenhouse, the plants have too much.The rate of planting cucumbers in the 20 square meters.60 m bushes.This is ideal, however, as a rule, no one is planting.
Growing cucumbers in the greenhouse in the winter, you go against nature and therefore, to get a good harvest, be on the alert all the time, so as not to miss the moment when the plants begin to change under the influence of unfavorable conditions.