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Second, the new lead cited tied first Wang shoot. In addition to fixing the new shoots, the effect of the new shoots and bindings allows the new shoots to be distributed reasonably, ensuring that there is sufficient light, and also promoting the growth of new shoots. Therefore, if you first tie the tip of Wang Wang, you can only increase the growth of the Wang shooter and the shooter shooter, which is even more detrimental to the control of the shooter. On the contrary, the growth of weak shoots is weaker. The correct method of operation should be: first to tie the weak tip in order to promote the growth of weak shoots, so that the growth of Wang shooter and shooter shoots is inhibited, and eventually achieve the same purpose with the growth of new shoots.
Third, high temperature long drought orchard irrigation ground is not disinfected. After July of each year, hot and dry weather often occurs. When the ground is not sterilized, the hot gases generated by the high-temperature and dry ground transpire, and the high-temperature type disease that causes winter over the surface—white rot pathogens will rise with hot gas transpiration. On the ear, the ear is susceptible to disease. The author once tested in the previous year and conducted two treatments, ground disinfection and non-sterilization before irrigation. After 10 days of inspection, the incidence of ear was 0.39% and 46.4%, respectively. The incidence of non-sterilized ground was 150. More than times. Therefore, the ground must be disinfected before long-term orchard irrigation. The agent can use 3 Baume degrees of lime sulfur solution (note that the liquid does not stick to the leaves).
Fourth, overload production. When the amount of fruit on the grapes is generally too high, overload production will delay the fruit ripening period. The quality is reduced and the value of the goods is affected. And make the tree's reserve nutrient consumption too much. Affecting the flower bud differentiation of spring grapes in the following year, the amount of flowers in the second year will be small and small, which will result in unstable yield and low quality. Therefore, the output should be strictly controlled. When leaving the shoots, the number of shoots should be determined according to the yield. When the inflorescences are laid out, they should be handled in accordance with the principle of “a strong and weak person does not stay in the strong two.†The proportion of vegetative shoots should be appropriately increased, fruits should be harvested in a timely manner, and later management should be strengthened to maintain the green shoots. , increase the nutrient reserve of the tree, in order to facilitate the second year of nutrient conversion, so as to achieve the purpose of high quality and stable production.
Fifth, the resulting site is low. Grapes are generally about 30 cm away from the ground. It is necessary to properly increase the resulting parts of the grapes. When the rainfall is heavy and the rain is heavy, grape pests and diseases occur seriously. In particular, the lower ear of the grape not only has an early onset but also has a large number of diseases, and the occurrence of the disease on the soil is more serious. Therefore, improving the result area can effectively reduce the damage. From the sapling shaping period, attention should be paid to cutting about 1 metre or more of branches to 70 centimeters or so. Due to the top growth advantage, the ears are concentrated in the first half of the twigs and can be bundled. Effectively improve the result area so that it is more than 70 cm above the ground. Similarly, the pre-winter pruning of the resulting tree should be based on the thickness of the shoots, leaving 6-9 shoots and cutting off 40-centimeter shoots.
Some misunderstandings in viticulture management
One, basal spring fertilizer. The basal fertilizer was applied to grapes from the end of February to the beginning of March. In this way, the grape roots are not easy to heal after being cut off, and they have a great influence on the water and nutrient supply of the plants. The best application period of basal fertilizer should be carried out after grapes are harvested, and it should be sooner rather than later. Because of early application of energy can quickly restore the tree. It is beneficial to the winter winter and leap year growth of grapes. On the other hand, early application of basal fertilizer in the autumn, the higher ground temperature is beneficial to the decomposition of organic fertilizers, and the roots that cut off the roots are quickly healed, and new roots can be quickly grown. The second peak of grape root growth is from late August to November, so the growth and absorption rules of early base fertilizer and grape root in autumn are consistent.
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