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September in South China is the ideal season for vegetable cultivation. As severe weather like storms and typhoons gradually subsides, the risk of crop damage from summer's harsh conditions decreases significantly. During the autumn planting period, farmers generally don’t face sudden temperature fluctuations, making it a stable and favorable time for growing vegetables. Most vegetable varieties adapt well to the autumn climate, requiring simple cultivation techniques, lower production costs, and yielding high-quality produce just before and after the Lunar New Year. This timing often results in higher market prices and substantial profits.
To meet the needs of farmers in the Guangdong region, Guangzhou Xingtian Seed Co., Ltd. has introduced several premium autumn vegetable varieties from abroad. These include Blessing 80-day white cauliflower, White Lion 80-day and 65-day cauliflowers, New Green Xuexi Orchids, Gaffo Broccoli, Fukang Broccoli, Shengchun Cabbage, Shenglv Cabbage, Xiugai Pepper, Xianfeng Pepper, Chaotianxing Chaotianjiao, Taiwan Pepper 167 Sweet Pepper, Taiwan Pepper No. 15 Bell Pepper, Jinyang No. 6 Tomato, Ya Ley Tomato, Youfeng No. 8 Cucumber, Youfeng No. 6 Cucumber, Youfeng 518 Cucumber, and more. In addition, the company also offers fine varieties such as white horse bean horn, Australian strong Feng loofah, falahtu celery, 31 Cai Xin, 16 Cai Xin, Australia 6 Cai Xin, Wang Tian black Ye Bai, Detian Qingjiang white, and Dapingpu mustard.
Cucumbers are in high demand, especially in northern markets where they are cultivated nationwide. However, in the north, cucumbers can only be grown in greenhouses during winter due to cold temperatures, leading to higher costs, greater risks, and limited cultivation areas. As a result, cucumber prices in the north tend to be much higher during winter. In contrast, Guangdong’s Nancai Beiyun variety has gained significant market share, taking full advantage of the natural greenhouse effect in the south and the relatively cool winters. This allows large-scale cucumber cultivation, offering unique business opportunities for local farmers.
Seizing these opportunities requires choosing the right variety. One highly recommended option is Youfeng No. 8 Cucumber, a mid-season hybrid with strong growth potential and high yield. The fruit is dark green, glossy, smooth, with few thorns and minimal blemishes. It measures 38–43 cm in length, has a diameter of 3–3.5 cm, and weighs around 400–500 grams. It is crisp, sweet, and resistant to viral diseases, downy mildew, and powdery mildew. Under optimal conditions, yields can exceed 8,000 kg per mu (approximately 0.067 hectares).
**Cultivation Techniques for Youfeng No. 8 Cucumber:**
1. **Sowing and Seedling Care:**
In South China, sowing typically occurs between September and March of the following year. The daytime temperature should be maintained at 20–25°C, and nighttime temperatures at 10–16°C. Watering should be done in the afternoon on sunny days. If seedlings show signs of nutrient deficiency, a small amount of urea (100–200 g per 100 kg of water) can be added during watering. Seedlings are ready for transplanting after 35–45 days.
2. **Field Management:**
Plant 3,200–3,500 seedlings per mu. Adjust fertilization, irrigation, and cultivation based on the growth stages to ensure balanced development and extended productivity. Key practices include:
- **Fertilization and Cultivation:**
During the early stage, focus on water management to ensure survival. After transplanting, apply 15–20 kg of nitrogen fertilizer per acre. During flowering and fruiting, use 20–25 kg of phosphorus and potassium fertilizer per acre, applying it once after each harvest. Spray 0.1–0.2% potassium dihydrogen phosphate or compound fertilizer solution. Keep watering consistent but avoid overwatering before and after root harvesting.
- **Trellising and Pruning:**
Set up trellises using bamboo poles or branches at least 2 meters long. Tie vines securely. Prune side shoots after 1–2 fruits have developed, keeping the main vine. Remove old and yellow leaves regularly.
3. **Pest Control:**
Youfeng No. 8 has good resistance to downy mildew, powdery mildew, and blight, so chemical control is usually unnecessary. For pests, spray a mixture of 40% Lekomulberry and 90% Selaginol diluted 1,000 times every 7–10 days starting from the seedling stage to prevent infestation.
4. **Timely Harvesting:**
Harvest the first batch of fruits early. Once the plant enters the reproductive phase, pick tender fruits as soon as possible. The best time to harvest is when the fruit reaches its standard size and texture.
For more information, contact the Technical Department of Guangzhou Xingtian Seed Company.