论文部分内容阅读
L—402是辽宁省农科院园艺所李海涛等配制的高产,优质、抗病,耐贮运的番茄杂交种,1993年获辽宁省科技进步一等奖,1997年获国家科技进步三等奖。可在辽宁、吉林、黑龙江、河北、河南、山西、陕西、山东、江苏、安徽、湖北、四川、北京、天津、上海、重庆、新疆、内蒙古等地种植。累计推广面积12万公顷。 1.特征特性 为无限生长型,植株长势中等,茎秆粗壮,不易徒长,至3穗果处株高90厘米左右,叶色深绿,第1花序一般着生在第8节位,每个花序间隔3片叶,有5～6朵花。成熟集中,果形偏圆,果色粉红,稍有绿果肩,果个整齐,果肉较厚,果脐小,一般为8～10个心室,单果重200～250克。座果率高,畸形果少,裂果极少,优质果率达到90％以上。质沙味甜,适口性好,可溶性固形物含量为4.8％。对病毒病、黄萎病、青枯病、筋腐病、脐腐病等多种病害均有较强
L-402 is a high-yielding, high-quality, disease-resistant and storage-resistant tomato hybrid prepared by Li Haitao, a horticultural institute of Liaoning Academy of Agricultural Sciences. In 1993, it was awarded first prize of scientific and technological progress of Liaoning Province and third prize of national scientific and technological progress in 1997 . It can be planted in Liaoning, Jilin, Heilongjiang, Hebei, Henan, Shanxi, Shaanxi, Shandong, Jiangsu, Anhui, Hubei, Sichuan, Beijing, Tianjin, Shanghai, Chongqing, Xinjiang and Inner Mongolia. Cumulative total area of 120,000 hectares. 1. Characteristics of the characteristics of unlimited growth type, medium-growing plants, stalks sturdy, not easy to grow long, to 3 spike fruit plant height of about 90 cm, dark green leaves, the first inflorescences are generally born in the eighth node, each Inflorescence interval 3 leaves, 5 to 6 flowers. Mature concentrated, fruit-shaped partial round, fruit pink, slightly green fruit shoulder, a fruit neat, thick pulp, umbilical small, usually 8 to 10 ventricles, single fruit weight 200 ~ 250 grams. Fruit rate is high, less deformed fruit, fruit cracking is very small, high-quality fruit rate of 90% or more. Sandy sweet, good palatability, soluble solids content of 4.8%. Viral diseases, Verticillium wilt, bacterial wilt, tendons rot, umbilical rot and other diseases are stronger