How to cultivate strawberry stolon seedlings
Stolon finishing
After the stolons are drawn from the strawberry, check them regularly, and pull the stolons that are close to each other to make the distribution between the seedlings as evenly as possible to ensure enough living space to fully absorb water, nutrients and sunlight.
In spring, the temperature continues to rise, and strawberries enter the peak of stolon extraction. At this time, the seedling period of the stolon seedlings is very short, and it is difficult to reach the standard of strong seedlings until the planting period. Allowing its growth will affect the growth of the early stolon seedlings. , The crowded stolons and small seedlings should be cut to reduce the degree of canopy in the field. Paclobutrazol 100-300 mg/kg can also be sprayed at this time to suppress the stolons in the later stage.
Pressure Man
The stolons grow upwards at the beginning of extraction, and they grow when they are close to the height of the leaf surface. In order to make the adventitious roots on the stolons penetrate into the soil in time, the vines should be pressed when the seedlings have two leaves unfolding, which can be combined with the arrangement of the stolons. After the stolon shoots out, lead it around the mother plant, and pour soil at the base of the stolon leaf cluster, and press the stolon segment firmly with mud to promote its rooting. Twenty days before the seedlings came out of the nursery, the stems connecting the stolon seedlings and the mother plants were cut off.
Fertilizer and water management
After the stolons are pierced into the soil, pour dilute human excrement or urea every 15-20 days to promote the growth of stolons seedlings. In the later stage, the amount of phosphorus and potassium fertilizer should be increased. 0.2% potassium diphosphate potassium phosphate can be used as extra-root topdressing. Cover the black shade net, carry out short-day treatment, temporarily stop the supply of nitrogen fertilizer and other measures to promote the flower bud differentiation of stolon seedlings. The management of water is still suitable for the soil to be moist and not to accumulate water. In summer, if there is a heavy rain, clear the ditch and drain it in time afterwards.
Weed control
It takes several months for the stolons to cover the fields after the seedlings are planted. A slight negligence will often cause the breeding ground to be barren, which will seriously affect the propagation of strawberry seedlings. The soil should be loosened and weeded in time to control weed damage.
Prevent pests and diseases
Common pests include grubs and Spodoptera litura. The diseases that endanger the growth of strawberry stolon seedlings include anthracnose and leaf spot, among which anthracnose is the most serious disease, and this disease can occur from the occurrence of stolon to the initial stage of transplantation, and chemical control should be carried out in advance.
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