申花三号系浦东新区蔬菜技术推广站和严桥镇科技站联合选育配制的杂交种。该组合抗病、优质、高产,比常规同类品种增产50％-80％,深受农户和市场消费者欢迎。该组合母本是复壮提纯的优良地方品种,父本是从“荷兰雪球”中定向选育的品种。现就申花三号花菜杂交制种的基本技术操作概述如下: 一、分期播种 母本于6月底至7月初播种,在施好复合肥的河泥苗床上划块,每块播2-3粒种子。4片真叶时间苗,每块留有1株健苗,45-50天定植于制种田。为了给母本提供足够的花粉,父本分两批播种。第一批与母本同时播,比例为总量的1/3,定植期与母本相同;第二批于8月20-25日播种,比例为总量的 2/3,定植期在9月中下旬。 二、秧苗定植 8月中下旬,在施好复合肥的设施保护地内,按 Shenhua No. 3 Department of Pudong New Area Vegetable Technology Extension Station and Yan Qiaozhen Science and Technology Station joint breeding of hybrids. The combination of disease resistance, high quality and high yield increase 50% -80% more than that of the same type of conventional ones, which are well received by farmers and market consumers. The composite female parent is an excellent local breed that is rejuvenated and purified. The male parent is a variety that is oriented and selected from “Dutch Snowball”. Now Shenhua No.3 cauliflower hybrid seed production of the basic technical operations are summarized as follows: First, staged sowing mother from the end of June to early July sowing, fertilizer compound in the riverbed mud padding plank, each sowing 2-3 seed. 4 true leaves of time seedlings, each leaving a Jianjian, 45-50 days planted in the farming system. In order to provide enough pollen to the female parent, the male parent sows in two batches. The first batch was broadcast at the same time as the female parent, the proportion of which was 1/3 of the total. The second batch was sown on August 20-25 with the ratio of 2/3 of the total and the planting period at 9 Late in the month. Second, seedling planting In late August, facilities in the compound fertilizer facilities, press