【摘 要】
：
培育优良的小麦矮秆品种,是防止倒伏的主要途径,这就需要有比较好的矮源。我国从1958年就开始了这方面的工作,并取得了显著的成绩,先后育成了咸农39、矮丰3号、矮丰1号等矮
论文部分内容阅读
培育优良的小麦矮秆品种,是防止倒伏的主要途径,这就需要有比较好的矮源。我国从1958年就开始了这方面的工作,并取得了显著的成绩,先后育成了咸农39、矮丰3号、矮丰1号等矮秆品种或材料,应用于生产和育种实践。小偃392是我们通过有性杂交选育出来的一个新的矮源材料。
Breeding fine wheat dwarf varieties is the main way to prevent lodging, which requires a relatively good dwarf source. China started its work in this field from 1958 and achieved remarkable results. It has successively cultivated dwarf varieties or materials such as Xianong 39, Aifeng 3 and Aifeng 1 for production and breeding practice. Xiaoyan 392 is a new dwarf material we bred through sexual cross.
其他文献
A single-phase Sr2CuO3+δ superconductor is synthesized under high temperature and high pressure, in which oxygen atoms only partially occupy the apical sites n
为了改变我县旱田区作物种类和农民的食物构成,探索水稻旱地覆膜不同栽培方法与产量和经济效益的关系,1983年我们在欢胜乡农技推广站进行了旱地水稻覆膜栽培试验,实践证明这
A simple and efficient approximate analytical technique is presented to obtain solutions to a class of two-point boundary value similarity problems in fluid mec
苇状羊茅是一深根系的、丛生多年生禾草,分布于欧洲、北非、南北美洲和澳大利亚,在不同土壤类型及不同土壤pH值、不同的温度、降水量和土壤湿度上都能生长。在1940年同时育
When a small metallic nanoparticleis irradiated by incident light, the oscillating electric field can cause the conduction electrons to oscillate coherently, wh
定西24号属春性小麦,苗期生长发育缓慢,生长期较长,在定西县青岚乡大坪村(海拔2100米的山区),生育期120天左右,生育期积温1900℃。该品种自1969年育成以来,经过试验、示范、
We prepare pure single-phase Co:ZnO powders introducing controllable interstitial Zni by Zn vapour annealing.The as-ground powder shows that no room-temperature
一、前言三十烷醇(1—triacontasl)作为一种新型植物生长调节剂,自1977年以来,在国内外广泛推广应用于水稻、玉米、小麦、花生、大豆、甘薯、蔬菜、茶树等二十多种作物上(莫
Er2O3 thin films are grown on oxidized Si (111) substrates by molecular beam epitaxy. The sample grown tinder optimized condition is characterized in its micros
We have developed a two-stage Ti:sapphire amplifier system which can produce 17-TW/23-fs pulses at a repetition rate 10 Hz. A birefringent plate is used in the