九二13系是镇海县良种场于1972年从九二油菜的优异单株中,经过三年系统选育而成的甘兰型油菜早熟品种.1977年在镇海县扩大试种.1978年在宁波地区春花作物良种评选鉴定会上确定为优良品种,获1979年宁波市优秀科技成果三等奖.1979年镇海县九二13系的种植面积占全县总面积的70%.1980年在宁波、舟山、绍兴等地、市的种植面积,据初步统计在20万亩以上.几年来,各地试种、示范的结果均表现早熟、抗病、高产稳产.现将九二13系的选育经过、主要特性和栽培技术介绍如下. Jiujiang 13 series is Zhenhai County seed market in 1972 from nine hundred two excellent rapeseed strains, after three years of systematic selection of the Brassica napus varieties .1977 years in Zhenhai County to expand the test. Ningbo area Chunhua Crop Variety Appraisal at the meeting identified as a fine variety, by the Ningbo City in 1979 outstanding scientific and technological achievements third place .1999 Zhenhai County, nine two 13 Department of the planted area accounted for 70% of the total area of ​​the county in 1980 in Ningbo , Zhoushan, Shaoxing and other places, the city’s acreage, according to preliminary statistics in 200000 mus of above .In recent years, all over the trial planting, demonstration of the results are premature, disease resistance, high and stable yield. After the main features and cultivation techniques are as follows.