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Key Cultivation Techniques for the New Grape Variety Hongru
1. Spacing between plants and rows. In the north, 0.7 x 3 m is commonly used, planting 330 seedlings per mu, or 0.5 x 3 m, planting 440 seedlings per mu. In the south, 0.7 x 3 m is commonly used, planting 330 seedlings per mu, or 0.8 x 3 m, planting 280 seedlings per mu. Given that Hongru has vigorous growth, and to facilitate the production of high-quality fruit, it is recommended to use a trellis-and-canopy training system regardless of whether in the north or the south. ...
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How to manage young grapevines for high quality and efficiency
1. From after the grapes bud until late August, apply a topdressing once a month, using 5 kg of farmyard manure and 50 g of nitrogen fertilizer per plant each time, applied in holes, so as to apply fertilizer frequently and lightly; 2. For newly planted grapevines, set up small supports in the same year to tie and guide the new shoots. When the new shoots grow to about 20 cm, select and keep one thick, strong new shoot and remove the other tender shoots....
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Detailed Guide to Seedless Early-Ripening Cultivation of Grapes
I. Selection of vines for treatment: Choose vines with normal growth and strong vigor, as this gives a high success rate, good fruit set, a high seedless rate, large berries and good market quality. Treating weak or over-vigorous vines gives unstable results, small berries and uneven berry size. It is necessary to investigate the vine's development in the previous year to see...
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Which grape varieties are suitable for planting in the Changchun area?
Applying foliar fertilizer wisely: After the beginning of summer, the following foliar fertilizers can be selected according to the growth conditions of the grapes. ① Superphosphate extract: Take 1 kg of superphosphate and add 5 kg of clean water, soak for 12 hours, then filter and take the liquid. When using, dilute each kg of filtrate with 50 kg of water to obtain a 2% extract. ② Plant ash extract: Take 1 kg of plant ash and add...
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Three Simple Methods to Protect Greenhouse Grapes from Freezing
In recent years, the area under protected grape cultivation has increased. Due to large temperature fluctuations in early spring, temperature inversion easily occurs inside the greenhouse, causing early-sprouting varieties to suffer freeze damage. The following measures can be taken in production for prevention and remediation. 1. Water 1 day before the cold snap arrives to increase soil moisture and air humidity inside the greenhouse, using moisture to regulate temperature. 2. In the vineyard...
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How to grow potted grapes on a balcony? Master these 6 points and the branches will be full
If you clicked the title to read this article, I believe you are all grape fans. With the continuous rise of potted fruit growing in recent years, the grapes that once grew in courtyards have been moved into the balconies of high-rise buildings. Potted grapes are both beautiful and delicious, truly a treat for the eyes and the mouth...
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Detailed Explanation of Key Grape Spring Management Techniques
Spring is the season when grapes bud and unfold leaves, canes extend, and they send out clusters and bloom and set fruit. How to strengthen spring grape management and improve grape yield and quality is a matter of widespread concern among fruit growers. The following focuses on the main management work for grapes from February to April. 1. Late February to early March, budding stage: irrigate to promote bud break,...
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Grape Disease Prevention and Control Methods in the Rainy Season
Grape downy mildew is one of the important diseases of grapes and can occur in all parts of our country. It mainly damages the leaves, causing early defoliation, and can also harm new shoots and fruit clusters. The main symptom is the formation of polygonal yellow spots on the upper surface of the leaves, which later die, turn brown, and produce white downy mildew on the underside. Grape downy mildew...
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What precautions should be taken when thinning grape flower clusters?
1. The purpose of thinning grape flower clusters: it further adjusts the yield on the basis of bud removal and shoot thinning, achieves a reasonable load on the vine, saves nutrients, and improves fruit set rate and fruit quality, so as to achieve the goal of producing high-quality, high-efficiency grapes. 2. The timing of grape flower thinning: when the number and size of the flower clusters on the new shoots can be clearly distinguished, ...
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Key Technical Points for Grape Disease Control During the Plum Rain Season
Using B9 and paclobutrazol on Kyoho grapes to improve fruit set easily causes side effects such as shorter flower clusters and smaller berries. Therefore, a method that allows Kyoho to set fruit well without making the fruit stalks hard or the berries small has long been desired. After years of trials, we adopted forchlorfenuron produced by Lanyue Technology Company of the Sichuan Academy of Agricultural Sciences to improve fruit set...
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