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所谓的2:0制种模式是在130cm大垄覆膜上种植两行母本,两行母本中间种植一行父本。待父本散完粉后全部砍掉。形成母、父本比例2:0的制种格局。这样做是在覆膜增温、保墒的条件下,又有效地利用土地资源,增加了采种面积。每亩种子田母本保苗株数可达4000株,另外父本在种子田中分布均匀,结实率高,亩产可达300～400kg。从而提高了单位面积产量,增加了制种户的经济效益。其具体技术措施
The so-called 2: 0 seed pattern is planted with two rows of female parent plants on a 130 cm wide ridge with two rows of female parent planted with one parent. When the father finished powder powder all cut off. Formation of mother, father ratio 2: 0 seed production pattern. This is done under the conditions of plastic film warming, preserving soil moisture and effectively utilizing land resources to increase the area for seed collection. The number of seedlings and seedlings per mu of seedlings can reach 4000, and the other is evenly distributed in seed fields with a high seed setting rate of 300-400 kg per mu. Thus increasing the yield per unit area and increasing the economic benefits of seed-producing households. Its specific technical measures