甜玉米杂交组合“20号”(简称“20号”)是我院遗传育种教研室玉米育种组培育出来的新品种。1984年秋季,在深圳市新光牛奶联合公司种植20亩,表现为适应性强,长势旺盛,抗病性强,产量高,产品香、甜、脆、嫩,风味独特。平均每亩收青苞2500穗,其中达一级(穗长5寸以上)的1500穗,二级的(3.9—4.9寸)800穗,其余为等外,平均亩产1530斤。经验收的1块田1.2亩,亩产一、二级青 Sweet corn hybrid combination “No. 20” (referred to as the “No. 20”) is a new breed of breeds breed by the maize breeding group of genetics and breeding department of our hospital. In the autumn of 1984, 20 mu was planted in Shenzhen Shin Kong Milk Joint Company, which showed strong adaptability, strong growth, strong disease resistance, high yield, unique fragrance, sweet, crisp, tender and unique flavor. The average harvest of 2,500 spikes per acre, including a level (spike length of 5 inches above) of 1500 spike, two (3.9-4.9 inch) 800 spike, and the rest for the other, the average yield of 1530 pounds. The experience of a field of 1.2 acres, yield one or two green