Late tomato is the main vegetable variety cultivated in the late evening in Baiyun District, and has formed a certain scale. In order to speed up the development of the base, improve the quality of the varieties, improve the yield and commerciality of the tomatoes, and screen the high-quality, high-yield, storage-resistant and well-received varieties that are suitable for local cultivation. In April-October 2005, the author was in Baiyun District. The late tomato base in the small village of Niuchang Township (the former crop was rapeseed and the soil fertility was medium) was tested. The test varieties were imported from Zhejiang Yulin Zhenxing Vegetable Seed Industry Development Department, including Shishi 308, Gangshi 668, Gangshi 136 and Zhenxing No. 2 (CK), and Zheza 205 and Zheza 206 introduced from Zhejiang Academy of Agricultural Sciences. Bit 179 introduced from Shanghai Woer Agricultural Technology Co., Ltd., Baili introduced from Rexwang Seedling Group of the Netherlands, Rolla and Iron Egg 993 imported from abroad, and Revitalization No. 2 as control (CK). results and analysis The growth period can be seen from the table. Seedling The steel stone series and bit 179 are the earliest in the seedling stage, and emerged in 6d; Followed by Rolla, Iron Egg and Revitalization No. 2 for 7d; The latest is Baili and Zheza 205, 206, which takes 8 days. Bud The earliest buds were Rolla and Iron Egg 993, which was June 22nd. Followed by the steel stone series, Baili and Zhenxing No. 2, on June 25; At the latest, Bit 179 and Zheza 205 and 206 are June 29. flowering The earliest flowering was Bailey and Rolla, which was June 27; Followed by the steel stone series and the revitalization of No. 2, on June 28; The latest is Zheza 205, 206 and Bit 179, which is June 29. Fruit set The earliest fruiting period was Bailey, Rolla and Iron Egg 993, which was June 29; Followed by the steel series, Zhenxing 2 and Bit 179, on June 30; The latest is Zheza 205, 206, which is July 1. Listing The first to be listed is the iron egg 993, which is August 7; The latest is Zheza 206 and Baili, which is August 10th; Harvest The longest harvesting period is the steel series, which is 50d; The shortest is Iron Egg 993, which is 45d. Botanical traits can be seen from the table, Plant height: The highest is Bai Li, which is 156.2cm; The iron egg is the shortest, 145.3cm. Degree of development: The largest is Bailey, which is 73.2cm; Zheza 205 is a minimum of 67cm. Inter-section length: The longest is 7.3cm; The iron egg is the shortest, 5.9cm. Single fruit weight: Rolla is the heaviest, 145g; Zheza 205 and Bit 179 are the lightest, both 125g. peel: Rolla and steel 308 are the hardest. Bailey, Iron Egg, Steel Stone 138, Steel Stone 668 and Revitalization No. 2, Bit 179 and Zheza 205, 206 are the softest. Disease resistance: The Bailey, Rolla and Steel series are the strongest. Zheza 205 and 206, Bit 179 is the worst. Yield comparison The highest output of Baili was 87682.5kg/hm2, which was 10.8% higher than that of the control revitalization No. 2 79137.0kg/hm2. Rolla yield second, 87159.0kg / hm2, an increase of 10.1% over the control, the difference was found to be significant. The lowest yield was bit 179, which was 73659.0 kg/hm2, which was 6.9% lower than the control. The difference was not significant. summary Among the 10 varieties tested, Bailey and Rolla not only have strong plant growth, but also single fruit weight, good fruit hardness and highest yield. However, because of imported varieties, the price is high, the investment is large, and it is difficult to promote and apply. Steel stone variety and revitalization No. 2, although the output is not as good as Baili and Rolla, but because of the small investment, the fruit size is uniform, the weight of single fruit is heavy, the color is ruddy, the hardness is good, and the storage and transportation are very popular among the market. Therefore, the production should be vigorously Promotion.
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