Some time ago, it was the strawberry picking season, and some small partners sent a private message to Xiaobian, saying that they could pick out some deformed fruits every day in their fields, and they could not sell at a good price, which was very painful. Today, Xiaobian will summarize the reasons for the formation of different types of deformed fruits and the methods of prevention and control, and solve the problem of deformed fruits from the source.
1. Cockscomb fruit and double body fruit
The cockscomb fruit is to grow more than three strawberry fruits on one stalk, and the double body fruit is to grow two contiguous strawberry fruits on one stalk. This is due to the imbalance of root crown ratio caused by temperature and light disorder in the greenhouse, less nutrient formation, increased growth hormone secretion leading to abnormal differentiation of flower buds, resulting in flower organ cell division disorders, flower bud deformity and enlargement.
Prevention and control methods:
1. Select precocious, deformation-resistant varieties.
2. According to the temperature and humidity in the greenhouse, ensure the nitrogen, phosphorus, potassium fertilizer and various trace elements required for strawberries.
3. In the flower bud differentiation period of strawberries, it is necessary to coordinate light and temperature and humidity, and pay attention to foliar supplementation of boron, zinc, magnesium, calcium and other elements to promote strawberry flowering and improve fruit set rate.
2. Albino fruit
Albinos are strawberries with abnormal colors, and the skin is all or partly yellowish or white, with obvious demarcation. The fruit is mild in taste, the flesh is relatively soft, and it rots quickly. This is mainly caused by low light and low sugar, which is a physiological disease, which is caused by the low sugar content and insufficient phosphorus and potassium in the berries. Some plots are more fertilized with nitrogen fertilizer, plant growth is more vigorous, and plants with more fruits but poor leaf development are more likely to have white fruit disease, if the weather is better during the fruiting period and the coloring period is rainy and the temperature is low, it is also easy to aggravate the occurrence of diseases.
1, you can apply more organic fertilizer and phosphorus and potassium fertilizer, do not apply too much nitrogen fertilizer.
2. Select varieties suitable for local soil and weather environment planting, and have high sugar content.
3. Adopt protected land cultivation to properly regulate temperature and humidity.
4. The foliar surface can be sprayed with amino acid glucose foliar fertilizer.
Third, the white belly fruit
From this name, we can see that the "strawberry fart" part is a white fruit, and the formation of strawberry "white ass" is mainly related to the variety and light. In general, the longer the part that is closer to the tip develops, the more anthocyanins accumulate, so strawberries will gradually turn red from the tip. Strawberries produced in greenhouses in early spring are less exposed to light, so the coloring process is slower.
1, enhance the light, remove the dust on the shed film to increase the light transmittance, while paying attention to removing the leaves that block the light of the fruit.
2. Supplement potassium fertilizer and spray potassium dihydrogen phosphate on foliar surface.
3. Try to wait for the strawberries to be fully ripe before picking.
The above three are the types of deformed fruits that often occur in strawberries, and the premise is prevention, because once they appear, it is difficult to remedy. In fact, for many diseases are more than cure, we should pay attention to ah!
Editor: Liu Aochu
Proofreader: Li Yunfei
Second instance: Zhang Fuxu