The fruiting period of strawberry fruiting requires 80% of the field water holding capacity, 12-15 hours of sunshine, and temperature of 18-26°C. Management should pay attention to the following points:
Topdressing 10 to 15 kg of urea or compound fertilizer per 667 square meters of land to accelerate plant growth, facilitate new leaf expansion and promote flowering results. Top dressing should be combined with watering to ensure that the soil is moist. The foliar spray of fruit is used to induce a single dose or 0.3-0.5% of potassium dihydrogen phosphate 2-3 times.
Picking stems to remove strawberry stems can increase production by 40%-50%. For the need of breeding, appropriate amount of stolons can be left. Excess stems consume large amounts of nutrients and affect subsequent flower bud differentiation. It should be removed once the stolons have just grown, and 3-4 times a year.
The flower that blooms on the inflorescence of the strawberry buds often does not form fruit, has no economic value and consumes nutrients. It is advisable to remove the buds when they are separated from each other to remove 1/5-1/4 of the inflorescence, and the weak inflorescence does not have to remain.
In addition to the continuous occurrence of new leaves in the year, the old leaves are successively yellow. In the flowering and fruiting period, the old leaves and diseased leaves should be removed promptly and wiped together with weakly growing lateral buds. In this way, nutrient consumption can be effectively reduced, and ventilation and light transmission between the strains can be enhanced.
Strawberry fruit plants are dwarf, and fruits are easily sag and touch the ground. They are contaminated by soil and pests, and cause uneven coloration. The countermeasures were: using chopped straw or wheat straw, laying around the plants. This is even more important in the absence of mulching film and rainy areas.
Prevent the occurrence of white powder and leaf spot disease and gray mold during the flowering period, can be sprayed with new high-fat film or 50% carbendazim 500 times, 70% thiophanate-methyl 1000 times, 20% rust emulsion 1500 times, 2% 夷Su Shui agent 200 times liquid and so on.
The insect pests can be used for aphids 50% Converse Wettable Powder 2000-000 times, or 2% King Star Emulsion 3000 times. If spider mites are found, they are sprayed with 5% Solan EC 2000 times or 20% LIU EC 1000 times. Note that pesticides are banned within 20 days before harvesting.
Suitable ripe strawberries are soft and juicy and must be harvested in time to avoid rot. The harvest can be arranged in stages, picking up once in the morning after the dew has dried in the morning and collecting the mature fruits. For fresh food and canned food, eight ripeness is appropriate. It is required that the flesh be hard, have a delicious color and a complete shape.
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