The use of virus-free strawberry seedlings in production currently overcomes the virus accumulation caused by long-term vegetative propagation of strawberries, effectively reducing the spread and harm of viral diseases. However, strawberries are cool and not hot and drought-resistant. If the summer is poorly managed, the plants will suffer serious physiological disorders and even cause massive deaths. The main measures for the management of virus-free strawberries in summer are as follows:
1, to prevent virus-free seedlings infected. During the domestication of test-tube seedlings, the substrate must be disinfected to prevent soil bacteria and nematodes. For propagation of the original seedlings, it is necessary to prevent the aphids and leafhoppers from transmitting the virus. Secondary seedlings should be propagated in a special nursery with isolation conditions, at least 3,000 meters away from the surrounding strawberry garden. Avoid breeding of non-toxic seedlings in planting strawberries. And pay attention to regular control of locusts.
2, irrigation moisture, shade cooling. When the ground is cracked, the land with irrigation conditions should be furrowed at night. After the water penetrates the seedlings, the irrigation will be stopped to eliminate the accumulated water in the ditch. Drenched to keep the soil moist and reduce surface temperature. In addition, it is best to put a shade shed about 1 meter high on the sorghum surface; you can also plant some tall stalk crops on the sorghum surface, such as corn, or a scaffolding plant such as hanging squash, but you can't grow too dense. In order to avoid poor ventilation, lack of light, affect the normal growth of strawberries.
3, directional pressure vines, take root and promote seedlings. During the summer, the pods will gradually produce seedlings. The strawberry nursery used for the propagation of seedlings in order to enable each seedling to grow into a strong seedling, the stem should be straightened and aligned in a timely manner during the emergence of seedlings. The new strains sent out were slightly pressed with soil to promote new roots. For the mother plant, the soil is grown from the base, and the thickness is based on the new roots and the emergence of the seedlings.
4, Weed removal. Do not loosen the strawberry roots during weeding so as to avoid seedling death. In the early stage of stolons, weeds were used to remove weeds with a small amount of sorghum and barnyardgrass. While weeding, we must remove the yellow leaves and dead leaves of strawberry, reduce nutrient consumption and water evaporation, and promote ventilation.
5, pest control. The use of hose drip irrigation and full-film covering and other measures to control the humidity inside the greenhouse to reduce the occurrence of disease. The diseased leaves and dried stems should be removed in time and the pesticide should be sprayed. During the summer and autumn, the pest that threatens the strawberry the most is the cricket, often biting bad plants, causing the whole plant to die. 800-fold dipterex or 1000-fold dichlorvos can be used to water seedlings, and can also be captured manually.
1, to prevent virus-free seedlings infected. During the domestication of test-tube seedlings, the substrate must be disinfected to prevent soil bacteria and nematodes. For propagation of the original seedlings, it is necessary to prevent the aphids and leafhoppers from transmitting the virus. Secondary seedlings should be propagated in a special nursery with isolation conditions, at least 3,000 meters away from the surrounding strawberry garden. Avoid breeding of non-toxic seedlings in planting strawberries. And pay attention to regular control of locusts.
2, irrigation moisture, shade cooling. When the ground is cracked, the land with irrigation conditions should be furrowed at night. After the water penetrates the seedlings, the irrigation will be stopped to eliminate the accumulated water in the ditch. Drenched to keep the soil moist and reduce surface temperature. In addition, it is best to put a shade shed about 1 meter high on the sorghum surface; you can also plant some tall stalk crops on the sorghum surface, such as corn, or a scaffolding plant such as hanging squash, but you can't grow too dense. In order to avoid poor ventilation, lack of light, affect the normal growth of strawberries.
3, directional pressure vines, take root and promote seedlings. During the summer, the pods will gradually produce seedlings. The strawberry nursery used for the propagation of seedlings in order to enable each seedling to grow into a strong seedling, the stem should be straightened and aligned in a timely manner during the emergence of seedlings. The new strains sent out were slightly pressed with soil to promote new roots. For the mother plant, the soil is grown from the base, and the thickness is based on the new roots and the emergence of the seedlings.
4, Weed removal. Do not loosen the strawberry roots during weeding so as to avoid seedling death. In the early stage of stolons, weeds were used to remove weeds with a small amount of sorghum and barnyardgrass. While weeding, we must remove the yellow leaves and dead leaves of strawberry, reduce nutrient consumption and water evaporation, and promote ventilation.
5, pest control. The use of hose drip irrigation and full-film covering and other measures to control the humidity inside the greenhouse to reduce the occurrence of disease. The diseased leaves and dried stems should be removed in time and the pesticide should be sprayed. During the summer and autumn, the pest that threatens the strawberry the most is the cricket, often biting bad plants, causing the whole plant to die. 800-fold dipterex or 1000-fold dichlorvos can be used to water seedlings, and can also be captured manually.
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