Cucumber is a common vegetable variety in our lives, but growers often encounter a variety of problems during cucumber planting. Recently, Xiao Bian received questions from backstage growers and sorted out three common cucumber planting problems. Let's take a look at the small series of Huinong. Let's see how the plant protection experts answer these questions.
First, how to prevent and control the overwintering of cucumber flowers?
According to plant protection experts, the prevention and control of overwintering cucumber flower topping should pay attention to the following points:
1, control the temperature of the shed
Prevent the temperature from being too low or too high and maintain a suitable temperature.
2, cultivating loose soil
For the purpose of improving the ground temperature, if necessary, first apply appropriate amount of fertilizer, watering, and then loosen the soil to promote the development of the root system and the lower tie.
3, scientific fertilizer water
To manage the application of cucumber water and fertilizer in greenhouse, it is necessary to master the principle of small amount, multiple times and application. In particular, the applied organic fertilizer must be fully decomposed to prevent root damage due to improper fertilization. The amount and frequency of topdressing should be reduced according to the weather conditions.
4. Strengthen field management
For the plants with flower topping, the young and female flowers were removed in an appropriate amount, and the leaves were sprayed with potassium dihydrogen phosphate 500 times.
Second, how to prevent and cure cucumber rotten melon?
According to plant protection experts, winter temperature changes are large, and cucumber and rotten melon diseases are more common. For bacterial gum disease, the main hazard causes the stem to crack and flow, and the fruit is watery and festered.
1, drug treatment
It can be used synergistically with thiazole zinc or azoxystrobin, or with agricultural streptomycin alone, or with page spray to kill strontium or acacia copper.
2, improve disease resistance
Sprayable plant growth regulators, such as love more than harvest or thunder can be good.
3. Water management
In winter, the temperature is low and the evaporation is slow. Note that the irrigation should not be excessive.
Third, the cucumber fruit has a mildew layer, the melon, how to prevent it?
1. Due to the influence of weather changes, the temperature should be adjusted. The night temperature should not be lower than 13 °C, and the daytime should not be higher than 30 °C. The temperature difference should not be too large.
2, spray Bi guard leaf fertilizer, pay attention to the concentration of the drug.
3, topdressing, apply enough nitrogen, phosphorus, potassium fertilizer.
4, the humidity can not be too large, can not be too dry.
The above are the three common problems in the process of cucumber planting organized by Huinong.com and the answers from the plant protection experts. The above-mentioned pharmaceutical methods are for reference only and I hope to help you.
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