Breeding a new cultivar through the traditional way need a long period, so it doesn't meet the stringent demand of production.
用传统育种方法培育新品种需要的周期过长，无法满足生产上的迫切需要。
The new cultivar began to fruit in 1982, with high-round shape, orange-yellow colour, seedless, big fruit, good quality and flavour.
该新生系1982年开始挂果，果实高圆球形，橙黄色，色泽鲜艳，无核，果大，质优，有香气。
It is important to replace cleft grafting and cutting grafting with belly grafting as a method of top working to correct chlorosis and improve growth of new cultivar.
用腹接取代劈接和切接作为果树高接更新品种的方法对于克服缺铁失绿症、促进更新品种生长具有重要意义。
It is laborious and slow to create a new cultivar with high-multi resistance and high yield and quality through conventional breeding methods from present germ-plasm.
通过常规育种手段从现有资源中选育出多抗、高抗、优质、高产品种难度大，耗时长。
The theoretic basis of the new seed production procedure to maintain the stability and truthfulness of cultivar populations is analysed from four aspects as well.
并以影响品种群体遗传稳定性的四个主要方面论述了该生产程序在保持品种群体遗传稳定和真实性方面的理论。
Tree peony cultivars may be classified scientifically by a new system composed of five classes: color, type, form, group and cultivar.
按色、类、型、组和品种五个等级组成的牡丹品种分类系统，“色型兼备、科学实用”，有推广价值。
The results would provide valuable information for exploring molecular mechanism of radish late bolting, molecular breeding and new elite late-bolting cultivar development.
本研究为阐明萝卜晚抽薹分子机理以及晚抽薹分子育种、优良新品种选育提供了重要的理论依据。
Indica rice Qianhui 15 is a new conventional cultivar bred from strain crosses of wild rice, indica rice and japonica rice.
将野生稻、中籼稻与云贵高原粳稻的后代选系进行杂交，选育出常规籼型稻新品种黔恢15。
Indica rice Qianhui 15 is a new conventional cultivar bred from strain crosses of wild rice, indica rice and japonica rice.
将野生稻、中籼稻与云贵高原粳稻的后代选系进行杂交，选育出常规籼型稻新品种黔恢15。
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