When is the Best Time to Plant Grapes in the South
Planting grapes in the warm and humid southern regions requires mastering the best planting time and scientific selection methods for a bountiful harvest. This article will systematically analyze the core elements of grape planting, from phenological patterns to varietal characteristics, to help you create a high-quality grape garden.
Controlling the Planting Time of Grapes in the South
Advantages of Winter Planting
Planting from November to January during the winter, when the ground temperature is maintained at 5-8°C, is ideal. At this time, the plants are in a dormant state, with minimal root damage, allowing for wound healing before the next year's germination, thus avoiding the phenomenon of bleeding. Comparative tests show that the survival rate of winter planting is 15%-20% higher than that of spring planting.
Considerations for Spring Supplementary Planting
In March, choose healthy seedlings that have not yet germinated, and immediately set up a shading net after planting to maintain soil moisture at 60%-70%. It is recommended to use ABT root powder solution for root treatment, which can increase the speed of new root germination by over 30%.
Key Technologies for Grape Garden Construction
Criteria for Selecting Quality Seedlings
Choose grafted seedlings with a base diameter of ≥0.8 cm and main root length of 20-25 cm. It is recommended to use resistant rootstocks such as SO4, 5BB, which can effectively prevent the damage of root-knot nematodes and nematodes.
Soil Improvement Plan
Deep till the soil 60 cm before planting, and apply 3 tons of decomposed sheep manure plus 50 kg of superphosphate per mu. It is recommended to use a trench-style soil improvement, maintaining a row spacing of 2.5-3m to ensure good ventilation and light.
Atlas of Suitable Grape Varieties for the South
Early Maturing Fresh Food Varieties
• Xiahei: Seedless variety, soluble solids 18%-20%, yield controlled at 1500 kg per mu• Jubao Tezao: Ripens 15 days earlier than Jubing, fruit weight 12-14g
Specialty Wine-Making Varieties
• Zizhenxiang: Contains up to 3.2mg/g of anthocyanins, suitable for酿造桃花红葡萄酒• Zuijinxiang: Contains 38% muscat-type aroma substances, sugar-acid ratio of 22:1
By scientifically planning planting times, meticulous management, and reasonable variety matching, grape planting in the south can achieve an annual income of 30,000-50,000 yuan per mu. It is recommended to adopt a rain-sheltered cultivation mode, combined with an integrated water and fertilizer system, to effectively control diseases such as downy mildew and improve the marketability of the fruit.