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Detailed introduction to the new eggplant variety Zirong No. 2

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1. Variety introduction Zirong No. 2 long eggplant is a high-quality, disease-resistant, high-yielding F1 hybrid developed by the Guangzhou Vegetable Science Research Institute. It is an early-to-mid-maturing variety with strong growth. From sowing to first harvest, it takes 104 days for spring planting and 76 days for autumn planting. Fruit set is uniform, and the fruit is club-shaped, with fruit length 24-26 cm, fruit diameter 45-55 cm, and single fruit weight 200-250 g. The skin is smooth, the fruit color is deep purple-red with good gloss, the head and tail are uniform, and the flesh is snow-white, firm in texture, tolerant of storage and transport, and excellent in market traits; it is tolerant of waterlogging and has good resistance to bacterial wilt; yield per mu is 4

1. Variety introduction Zirong No. 2 long eggplant is a high-quality, disease-resistant, high-yielding F1 hybrid developed by the Guangzhou Vegetable Science Research Institute. It is an early-to-mid-maturing variety with strong growth. From sowing to first harvest, it takes 104 days for spring planting and 76 days for autumn planting. Fruit set is uniform, and the fruit is club-shaped, with fruit length 24-26 cm, fruit diameter 45-55 cm, and single fruit weight 200-250 g. The skin is smooth, the fruit color is deep purple-red with good gloss, the head and tail are uniform, and the flesh is snow-white, firm in texture, tolerant of storage and transport, and excellent in market traits; it is tolerant of waterlogging and has good resistance to bacterial wilt; yield per mu is about 4000 kg. In March 2001, it passed the variety approval of the Guangdong Provincial Crop Variety Approval Committee.

2. Cultivation points In South China, sowing can be done throughout the year. The sowing rate is about 20 g per mu, and strong seedlings should be raised. Choose fields where the previous crop was rice or where Solanaceae crops have not been grown for more than three years, with deep, fertile soil and good drainage and irrigation. Prepare the land with deep furrows and high beds, and apply sufficient base fertilizer. Plant at a reasonable density, 1200-1800 plants per mu. During the growing period, topdressing should follow the principle of "light seedling fertilizer, steady flower fertilizer, heavy fruit fertilizer," applying once every 10 days, with emphasis on combined application of nitrogen and potassium. Avoid waterlogging, and irrigate promptly during drought. Pay attention to strengthening pruning and leaf removal, ventilation and light penetration, and prevent excessive shading of the population. During the growing period, carry out integrated pest and disease control. The main diseases are Phytophthora fruit rot and brown spot. For Phytophthora fruit rot, the following pesticides can be used: iprodione 1000x, 72.2% propamocarb 400-600x, 72% cymoxanil 600x; for brown spot, the following pesticides can be used: iprodione 1000x, 47% kasugamycin-copper hydroxide 600x, 70% thiophanate-methyl 600x, 25% carbendazim 500x. The main insect pests are mites and thrips. For mites, 50.5% chlorpyrifos 1500x and propargite 1500x can be sprayed alternately; for thrips, 5% imidacloprid 1500x and 20% acetamiprid 1000x can be sprayed alternately.

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