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How to treat grape water rot? Detailed control methods
Based on your description, it is likely grape white rot, one of the most important grape diseases, especially in rainy years when it often occurs together with anthracnose, causing great damage. Grape white rot can harm clusters, canes and leaves. After the cluster and rachis are infected, they become light brown and water-soaked rot, and the whole cluster or part of the small clusters...
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A detailed guide to grape bagging techniques, master all the key methods
In order to enhance the market competitiveness of grapes, the promotion and application of bagging technology on grapes has become a consensus among growers, but how can the benefits of bagging be maximized? Pre-bagging preparation: 1 week before flowering, trim the flower clusters. For large clusters, remove the secondary clusters and 1 to 8 branch axes at the base of the main axis; for small clusters, remove few or none. Pinch...
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What is the most effective spray for grape clusters before bagging?
Preparations before bagging: trim the flower clusters one week before flowering. For large clusters, remove the secondary clusters and 1-8 lateral branches at the base of the main axis; for small clusters, do not remove or remove only a few. During the flowering period, pinch off about 1/4 of the tip of the cluster. Thin the berries two weeks after fruit set; begin immediately once the fruit is stable and finish before the rainy season. For the bagging method, first open the paper bag with your hands...
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How is bagging grapes done best? A detailed explanation of the correct method
To enhance the market competitiveness of grapes, applying bagging technology to grapes has become a consensus among growers, but how can the benefits of bagging be maximized? Pre-bagging preparation: renovate the flower clusters 1 week before flowering. For large flower clusters, remove the secondary clusters and 1 to 8 lateral branches at the base of the main axis; for small flower clusters, remove few or none. Pinch off about 1/4 of the cluster tip before flowering. Thin the berries 2 weeks after fruit set, starting immediately once the fruit has set steadily and finishing before the rainy season arrives.
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How to prevent small berries from appearing on grapes
Small grapes are formed due to seed abortion. According to observations, mature small berries have the same number of seeds as large berries, but the seeds of small berries are all at an immature stage, small and without kernels. If a berry contains 1 mature seed, the berry can be slightly larger; if it contains 2 mature seeds, the berry can grow to a medium size; if it contains...
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How to determine a more reasonable plant and row spacing for grapevines
For grape planting, a north-south row orientation is generally the better choice, as it allows better light reception and also makes the trellis surface basically perpendicular to the prevailing wind direction during the growing season, which can reduce wind damage. However, if limited by the plot, vines can also be planted in an east-west row orientation. The row spacing depends on the choice of trellising system: for a vertical trellis, the row spacing used is 2-2.8 m, and for a pergola...
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How to improve the market quality of grapes? Detailed practical measures
1. Cluster selection: keep good clusters with a neat shape, uniform fruit set, and a drooping posture. 2. Cluster shape adjustment: on the basis of conforming to the variety's natural shape, tidy them up slightly; clusters of the same variety throughout the vineyard should be basically uniform. 3. Cluster elongation: for varieties with a high fruit-set rate, when the cluster is 7-10 cm long,...
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Grapes are prone to sunburn damage in high-temperature weather
Pruning courtyard grapes is usually done during the growing season, which can help regulate the relationship between current-year growth and fruiting, control new shoot growth, increase yield and quality, and noticeably improve the ornamental effect of the grapes. The following 8 measures can be taken for summer pruning: Bud removal: when the buds grow to 2 cm to 3 cm, remove weak buds, fork-mouth buds and...
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How to prevent and control grape diseases in the rainy season? A detailed guide to practical methods
The peak period for many diseases such as grape downy mildew, white rot and anthracnose is summer. The occurrence of downy mildew can cause grape leaf drop, dead branches, rotten fruit and even death. Therefore, China Agricultural Technology Network reminds you to strengthen vineyard management during the rainy summer season and to prevent and control diseases in good time. 1. Clean the vineyard: if in the vineyard...
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Key Techniques for Autumn Management of Longan Grapes
After planting longan grafted seedlings, if they can be managed normally, they will enter the fruiting period after 3 years. Releasing autumn shoots at the right time, cultivating the formation of robust fruiting mother branches, controlling winter shoots, paying attention to thinning and controlling panicles during the flowering period, improving the fruit-setting rate, and carrying out proper pest and disease control are the key cultivation technical measures for high and stable yields in bearing longan trees. Among these, the flowering and fruiting period...
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