How to manage honeysuckle autumn and winter
"Director Zhang, what is going on with honeysuckle autumn and winter management? You are here today. Could you please tell us about it?" "Okay, you call all the nearby farmers, and I will tell you on the spot." November On the 2nd, in Huimin Village, Changchi Town, Nanjiang County, Zhang Da, a senior agronomist from Nanjiang County Agriculture and Rural Bureau and Honeysuckle Industry Development Center, addressed the villagers' questions and taught them the autumn and winter management techniques of honeysuckle. Zhang Da said that strengthening the management of honeysuckle fields in autumn and winter is an important part of capturing high yields in the coming year. Autumn and winter field management mainly includes cultivating weeding, pruning and shaping, fertilizing and watering, and pest control.
Cultivation and weeding
Honeysuckle should be cultivated to loosen the soil, weeding and cultivating the soil before freezing in winter, so that no weeds can breed around the plants to facilitate growth and reduce pests and diseases. When cultivating and weeding, start from the periphery of the flower pier, from far to near, first deep and then shallow, to avoid root damage. After cultivating and weeding in winter, new leaves should be sprouted in spring and flowers should be weeded and cultivated in summer.
Trimming
The pruning of honeysuckle requires great patience. The usual pruning time is after the leaves fall in autumn, or before the branches and leaves bud in early spring. Pruning should follow the principle of light pruning for strong branches, strong pruning for weak branches, and all branches. At the same time, since honeysuckle is mostly born on the new branches with sufficient sunlight in the periphery, if the branches and leaves are luxuriant, it is easy to cause canopy, so it must be pruned properly to obtain high yield. Specifically, the trunk cultivation of honeysuckle 1-2 years after transplanting is to trim the plant stem height to about 35 cm, and retain 5-6 vigorous branches on the upper part of the trunk to promote the budding of branches. At the same time, it is necessary to top the branches and only keep 5-7 pairs of buds to promote the growth of new branches. At the same time, cut off dead branches, dense branches, and diseased branches to reduce nutrient consumption and make the canopy ventilated and light.
Fertilizing and watering
Topdressing is the most critical step in field management, which is directly related to the yield and quality of honeysuckle. For honeysuckle within two years after planting, more fertilizers such as manure, plant ash, urea and potash are generally applied. After two years, it is necessary to fertilize scientifically according to the different growth periods of honeysuckle. Generally, when the branches and leaves grow in the late autumn and early winter, the main application is soil and miscellaneous fertilizers, and the ternary compound fertilizer of nitrogen, phosphorus and potassium is applied reasonably. The fertilization method is as follows: before winter, open a ring-shaped ditch around the plant, mix the organic fertilizer and chemical fertilizer, and then apply it, and cover the soil to conserve water and fertilizer. Topdressing should be combined with field tillage and weeding. The amount of fertilization is generally: 5-10 kilograms of farmyard manure per plant of honeysuckle, 250 grams of urea and dipotassium phosphate each. If the soil is fertile, use less or no application to prevent the plants from growing wildly. In case of drought, water in time to keep the soil moist.
Control pests
The main pests and diseases of honeysuckle in autumn and winter are powdery mildew and brown spot. The prevention and control methods mainly adopt prevention first and comprehensive prevention and control. Usually agricultural control and chemical control are used.
Powdery mildew mainly damages the leaves and tender stems of honeysuckle. In the early stage of the onset of leaves, round white velvet mold spots appear, which expand continuously and connect into pieces to form white pink spots of different sizes. Finally, they cause flowers and leaves to fall and dry branches. Brown spot disease mainly damages leaves and can also infect petioles. The symptoms are brown spots with irregular green edges, which eventually cause the leaves to dry and fall off. Rain is the main condition for the epidemic.
Agricultural control methods: timely removal of weeds, cultivating soil loosening, applying more bio-organic fertilizers, increasing phosphorus and potassium fertilizers, enhancing tree vigor, paying attention to drainage, rational pruning, improving ventilation, light transmission and disease resistance.
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