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本文介绍在4.8亩制种田上,以珍汕97A作母本,以明恢67作父本,配制成汕优67组合,获得亩产343.86公斤高产纪录。主要采取了在合理的父本与母本栽插密度上,提高有效穗数和结实率,加强水肥管理等措施,对提高单位面积制种产量,减少制种面积有着重大意义。
This article describes the 4.8 acres of farming, with 97A as the female parent Zhenshan to Minghui 67 father, formulated into Shanyou 67 combinations, access to 343.86 kilograms per mu yield record. Mainly adopted measures such as rational planting density of male and female parent, increasing effective panicle number and seed setting rate, and strengthening management of water and fertilizer have great significance for increasing seed production per unit area and reducing seed production area.