First, to prevent the main, timely spraying
This concept is generally understood by farmers, but in practice, they often do not perform well, or look at the rain or other activities, or are busy with other activities, delaying the best time for spraying, and grapes are most susceptible to disease. Drugs should be given every 15 days for drugs with a residual period of 17 days to 21 days. If the rainfall in the middle, depending on the amount of rain, as appropriate, shorten the next spraying days. If heavy rain falls after spraying, it will be sprayed again after sunny weather. If the two adjacent drugs are alkaline or acidic, strict attention should be paid to the interval to prevent the neutralization of the two drugs. Never delay spraying time.
Second, the initial disease, timely treatment
Rainy weather, high temperature and humidity, and the most susceptible to disease, should be observed once a day in the vineyard. See the disease first, that is, symptomatic spraying. For example, downy mildew occurs almost every year in different degrees. The multiple season is about 10 days before the beginning of autumn. When the temperature difference between day and night is more than 10°C, it is most susceptible to disease. At this time, comprehensive and careful observation is required. See individual parts of the garden, even if it is found on a grape downy mildew, that is, spraying. The commonly used drugs are 70% of Kepo 600x, 80% of BFP 300x or 1:0.7:180x of Bordeaux.
Third, Bordeaux fluid-based, adapted to other drugs
Bordeaux fluid is an economical and safe medicine for disease prevention. In the process of grape disease prevention, Bordeaux fluid is used as the main line to adapt to other drugs, and the disease-preventive effect is very good. A 1:0.5:240 dilution can be sprayed before flowering. After spraying, it sprays once 1:0.7:220 times. When the grape is inflated, it sprays once 1:0.7:200 times. After the grapes are harvested, they are sprayed once 1:1:180 times, and sprayed once or two times in the autumn. 1: 1:160 times liquid. If white rot, anthrax and other diseases occur in the middle, symptomatic spraying will occur. Most of these drugs are acidic, and the Bordeaux mixture has a tight time limit.
Fourth, appropriate fertilizer, strong tree potential, improve resistance
In the rainy season, it will cause the loss of fertility, weaken the tree vigor, and reduce resistance. Therefore, the rainy season should be based on the loss of soil fertility and the growing trend of the grape, appropriate amount of fertilizer, to "eat less and more meals," the method will be less fertilizer, diligence. Especially heavy sandy soil blocks.
Out-of-root fertilizers do more with less. Usually combined with spraying, especially needed, spray alone. In the case of spraying Bordol, add 0.5% urea. When spraying acidic drugs, 0.5% urea and 0.3% potassium dihydrogen phosphate can be sprayed, which can also spray reliable quality foliar fertilizer. However, new fertilizers must be tried before use in large areas.
V. Releasing soil in time to increase soil permeability
In the rainy season, especially after heavy rains and heavy rains, the vineyards will be hardened on the ground and the soil will be poorly ventilated, causing the grape roots to suffer from oxygen deprivation, weakened tree vigor, reduced resistance and easy to get sick. Therefore, cultivating the soil deeper before the flood season. During the rainy season, we must pay close attention to the rainy days and cultivate the vineyards to increase the permeability of the soil.
Sixth, clear the auxiliary tip to facilitate ventilation
In the rainy season, the grapes are most prone to longevity and the incidence of shoots is very high. It is necessary to timely pick up the grapes and erase the shoots in time. At the same time, excessive shoots of new shoots should be cleared as appropriate, which is beneficial to ventilation and light transmission and improve stress resistance.
VII. Clearing the garden at a proper time to curb the spread of the disease
If there is a disease in the vineyard, it is rainy, watery, hot and humid, and the source of disease is most likely to spread. Therefore, we must clear the garden at any time. The diseased diseased leaves, diseased branches and diseased fruits in the garden are cleared out of the park, buried deep or burned. At the same time, timely removal of weeds in the garden, in the removal of diseased branches, diseased fruit, we must often clean the scissors and disinfection to prevent cross-infection.
FFP2 Mask,High Quality FFP2 Mask,FFP2 Mask Details, CN
Dongguan Maimeng Culture and Creative Co. Ltd , https://www.factorydirectmask.com