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In winter and spring, the cucumber is not topping, and when the top of the vine is close to the roof, the vine is to be dropped. Before the falling vines, the lower old leaves must be destroyed, and the vines can be carried out 2 or 3 times. The method of setting up is to untwist the plastic rope used to hang the vine on the wire, and let the tip fall to a certain height and then hold it again.
In winter and spring, the growth period of cucumber is long, and stems and vines generally have 60 to 70 knots. The young leaves, functional leaves and old leaves of the stalk are on the stem. Young leaves have weak photosynthetic activity, vigorous respiratory activity, weak enzyme activity that promotes photosynthesis, incomplete chloroplasts, and nutrients provided by functional leaves until they become functional leaves that begin to transport nutrients outward. In the functional leaves, more functional chloroplasts are present, and photosynthetic products are transported to roots, stems, young leaves, flowers and fruits. Maintaining more functional leaves and extending the life of functional leaves is the key to achieving high yields. Older leaves refer to the photosynthesis of their own nutrient production just enough for their own consumption, and soon become insufficient to consume, rely on functional leaves to provide, while the old leaves are also susceptible, should be removed in time, this will reduce the burden on the functional leaf It is also conducive to ventilation and light transmission, and can also reduce the occurrence and spread of diseases. When old leaves lose luster and begin to recede, they should be promptly knocked out.
When tying vines, in addition to adjusting the height of the tops of the vines, male flowers and tendrils should be removed. Excessive female flowers should also be sparsely removed to balance vegetative growth and reproductive growth, which has a certain effect on increasing yield.
Winter and spring cucumbers adjust plants to be timely
Grafting techniques are commonly used in cucumber cultivation. The rootstocks to which cucumbers are grafted sometimes sprout, and must be removed in time. When the fertilizer and water are sufficient, the collateral branches are likely to occur during the result period. In the case of a large planting density, they should be removed in time to avoid affecting the illumination.