Disadvantages of summer black grapes

Disadvantages of summer black grapes. Summer black grapes are an excellent variety. Summer black grapes are delicious fruits. Summer black grapes are also on the market today. A sub-variety of the highly popular Kyoho grape. Summer black grapes also have shortcomings. Let’s share the shortcomings of summer black grapes. Disadvantages of summer black grapes 1

1. Fruit problems

Triploid summer black grapes grow naturally. Under the conditions, there is not much economic benefit, the fruit setting ability is relatively poor, and the particles are also very small. In order to promote high yield, the abuse of various regulators makes the postharvest grain shattering of summer black more serious.

2. Disease problems are serious

Because Xiahei is a European and American hybrid, it has strong disease resistance. However, with changes in climate and other environments, fungal diseases such as downy mildew on young summer black grape trees, canker on mature trees, and cob brown blight have become serious outbreaks.

3. Grafting technical issues

Grafting incompatibility syndrome. When Xiahei grafted seedlings are grafted with SO4 as rootstock, it is easy to cause no flowers and discord between the parents. When using 5BB as rootstock, there is no such problem.

Extended information:

Summer black grape is an excellent variety with characteristics such as disease resistance, high yield, early maturity, storage resistance and good taste. Its young branches are yellow-green, and the leaves are large, light green, dense and hairy. Most are 4-lobed and have serrated edges. Mature new buds are reddish-brown, and winter buds are large and plump. After hormone treatment, the fruit ears are cylindrical or conical, the fruit grains are tightly packed, the ear shape is neat, and the average ear weight is 670 grams.

The fruits are round and closely arranged. The weight of a single fruit is 8 grams. The fruit has thick skin, black-blue color, fast coloring, consistent coloring, thick fruit pink, and beautiful appearance. The fruit has crisp flesh, light red juice, sweet taste, disease resistance and excellent quality. The summer black flower bud differentiation rate and bud germination rate are both above 85. Fruits can be grown in the first and second years after the garden is established, and the yield can reach up to 2,250 kilograms per mu.

The growth characteristics of Xiahei are similar to but better than those of Kyoho. It has high sugar content and is more resistant to storage and transportation than ordinary varieties. It is less likely to burst due to extrusion during transportation. It takes 100 to 105 days from germination to fruit maturity. After the fruit begins to soften, spray once with Grape Early Ripening Sugar and Color Development Agent, which can be put on the market 7 to 10 days in advance and greatly increase the commodity value.

Strong resistance to adversity. Summer black grapes grow like giant peaks. It is cultivated in the same garden as Kyoho, Fujiminori, Takatsuma and Giant Rose. Its resistance is better than the above varieties and slightly inferior to Xiangyue.

Highly productive. Summer black grape flower buds are well differentiated and stable. The germination rate of bud eyes is above 85%. Each fruiting shoot has an average of 1 to 5 ears. The park is established in the first year and can be put into production in the second year. The maximum yield per hectare can reach 33,750 kilograms.

Easy to color. Many varieties have difficult or uneven coloring, which delays harvesting and affects commodity value. This is not the case with summer black grapes. After the berries soften, they can color quickly and evenly.

Extremely precocious. Summer black grapes only take 100 to 105 days from germination to fruit ripeness. If you spray foliar fertilizer containing medium and trace elements 3 to 5 times, and spray 1 time after the fruits begin to soften, the grapes will ripen early to increase sugar and develop color, and they can be put on the market 7 to 10 days in advance, which can greatly increase the commodity value.

Durable during storage and transportation. Summer black grapes have thick skin and are not easily broken by squeezing during transportation; they have high sugar content and are more resistant to storage and transportation than ordinary varieties.

Good hanging resistance. After the fruit matures, it can be hung on the tree for more than 60 days without cracking, grain loss, or color change.

High in sugar. Under general management conditions, the sugar content of summer black grapes can reach 20 to 22 degrees, and can reach up to 24 degrees. They are the sweetest early-maturing grapes in China, so they are also called "super-sweet grapes."

Disadvantages of summer black grapes 2

Are summer black grapes grapes?

Summer black grapes are not grapes. Their pulp is soft, so they are grapes. Summer black grapes are an early-maturing variety introduced from Japan and are descendants of Kyoho. It has an appearance similar to a giant peak, but its quality is better than a giant peak. It not only has the characteristics of early maturity, but also has high yield and high nutritional value. It contains calcium, potassium, phosphorus, iron and other nutrients that are beneficial to the human body.

Are summer black grapes delicious?

The flesh of summer black grapes is soft and delicate, and it is also a seedless grape with a sweet and delicious taste. The skin and pulp of summer black grapes are relatively sticky and difficult to peel. The skin is very thick and not astringent. In fact, its skin is very rich in nutrients, such as anthocyanins, organic acids, vitamins, dietary fiber, etc. They are very nutritious and can be eaten together after being washed.

The taste of summer black grapes is sweet and slightly sour, which is a good taste that many people like. Are summer black grapes delicious? They are delicious. You don’t need to spit out the skin or core. They taste more palatable. Eating them regularly can effectively promote the body’s metabolism. It also improves the body’s immunity and has anti-inflammatory effects. Oxidation has great benefits. High in nutrition and low in calories, you don’t have to worry about making you fat.

Conclusion: Everyone knows about whether summer black grapes are grapes and whether summer black grapes are delicious. Summer black grapes are a common grape variety. People love them very much. You don’t need to spit out the grapes when eating them. , for most people, it is even more enchanting. It is rich in nutrients and glucose, and can quickly replenish energy, making it suitable for exercise. Disadvantages of summer black grape 3

Is summer black grape good?

Summer black grape is produced in Japan. Japanese researchers cross-bred summer black grape with seedless white grape. , it can be said that Xiahei grape is the descendant of Kyoho grape, inheriting the appearance of Xiahei grape. The two grapes look very similar, and the fruit is juicy and plump, with good characteristics.

Characteristics of summer black grapes:

1. Early ripening

The ripening time of summer black grapes is on the market in early July, when most grapes are not available It is already on the market and mature. If you want to eat such a good variety, it is still not easy. Then the summer black grape has successfully satisfied everyone's taste, especially those who love grapes can't wait to take a bite.

2. Thin-skinned and juicy

Summer black grapes are a bit like grapes, because the skin of summer black grapes is not easy to peel off. The second-stage peel is very thin and difficult to eat when eating. You can eat the flesh directly with the skin on. Of course, you still have to pay attention to hygiene and clean the peel. Extended understanding: How to clean grapes the cleanest way.

3. Summer black grapes are seedless

One of the most regrettable things about eating grapes is that they have seeds. Every time you eat them, you can’t eat them directly and you need to remove the seeds. . However, the current cultivated varieties of summer black grapes are 99% seedless, and they taste sweeter than grapes and are more delicious.

Effects and functions of summer black grapes

1. Relieve fatigue

Summer black grapes contain a large amount of glucose and fructose, which will be converted into energy after entering the body, which can quickly enhance strength and effectively eliminate physical fatigue. Therefore, eating some grapes when you are tired can quickly improve your fatigue.

2. Anti-toxic and sterilizing

Summer black grapes contain natural polymeric phenol, which can combine with proteins in viruses or bacteria to make them lose their ability to transmit diseases. Eat summer black grapes regularly. Grapes have a good killing effect on poliovirus and other viruses, causing the body to produce antibodies.

3. Improve allergic symptoms, prevent and fight cancer

The resveratrol in summer black grape skin can not only inhibit the operation of inflammatory substances, effectively relieve allergic symptoms, but also prevent Normal cells can become cancerous and can inhibit the spread of malignant cells. It has strong anti-cancer and anti-cancer functions.

4. Anti-anemia

Summer black grapes also contain vitamin B12, which has an anti-pernicious anemia effect. Regular drinking of red wine is beneficial to the treatment of pernicious anemia.

5. Regulate the intestines and stomach and promote bile

Summer black grapes contain a large amount of fruit acid, which can help digestion, clean up gastrointestinal garbage, and have antibacterial effects on Escherichia coli, Pseudomonas aeruginosa, and Bacillus subtilis. Function: Summer black grapes also contain vitamin P, which can reduce gastric acid toxicity and treat gastritis, enteritis and vomiting.

Knowledge expansion: It is normal for summer black grapes to lose color

Because summer black grapes are hybrid varieties, some people often take precautions. Some people have discovered that the color of summer black grapes fades, usually during cleaning or eating, which makes people feel alarmed.

In fact, it is normal for summer black grapes to lose color, and it is definitely not caused by dyeing. Grapes contain a large amount of anthocyanins, which is why women have many benefits from eating grapes. During the cleaning process of most grapes, the anthocyanins in the epidermal cells will overflow, and the anthocyanins will change color when dissolved in water. People I mistakenly think that this is color fading, but in fact it is quite normal.

During the cleaning process, everyone should also pay attention to using some correct methods to clean grapes. This will avoid the flow of anthocyanins on the grape skin and give people an illusion of dyeing, especially during transportation and transportation. Particles dropped during picking, binning, etc. processes.