Sapphire grape planting technology: Transplanting needs to be done in February-March every spring. You can choose varieties that grow well, are healthy and disease-free, and add organic fertilizer to the soil to transplant the grape seedlings. Planted in soil.

Sapphire grapes grow vigorously, and the full flower buds are moved forward, so it is suitable to use ultra-long tip pruning and small dragon stem techniques. The fruit ears are large and easy to color and mature, so it is easy to obtain high yields. This variety is easier to cultivate. The fruit is not crowded, broken or rotten, and fruit thinning saves labor. The fruit brush is tough and does not easily fall off when mature. It is easy to form large ears of more than 1,000 grams. It is naturally seedless and the fruit grains can reach about 10 grams without hormone expansion.

It takes about 5 to 14 days from the beginning of flowering to the end of flowering. The suitable temperature during the flowering period is 25~32℃. If the temperature is lower than 15℃, normal flowering and fertilization will not occur. Therefore, it is necessary to topdress fertilizers containing fulvic acid before and after flowering to promote fertilization and fruit setting. In addition, it is necessary to tie and top the vines in time, remove the secondary shoots, improve ventilation and light transmission conditions, and conduct artificial pollination of poorly pollinated flower spikes.

Morphological characteristics of sapphire grapes

The young leaves of sapphire grapes are purple-red, slowly turning green near the leaf edges, the adult leaves are green, and the old leaves are dark green. The petiole of sapphire grapes Longer, the leaves are 54-lobed.

Sapphire grape is a medium-ripening variety. The fruit is blue-black and evenly colored. It matures in the Hami area from August to September. The grain length is about 5 cm. The tip has a deep depression, shaped like a little finger, and contains soluble solids. Above 18, the taste is sweet and crisp without residue. The ears of this variety are large and can easily grow into large ears of 1kg. The fruit grains are not firm, the fruit brush is strong and the grains will not fall off. It can be hung on the tree for more than one month and can be maintained Fresh, durable for storage and transportation.