1) Strain degeneration
菌种退化
1.
And it kept good fermentation stability after 3 generations subculture, seemed that the strain degeneration phenomenon was rescinded.
目前,蛹虫草培养过程中存在的一个突出问题是菌种退化,表现为生产性状的不稳定,主要原因之一是营养供给不能满足菌体生长要求。
2) deterioration series populations
退化种群
3) variety degeneration
品种退化
1.
It is simply related the variety degeneration, the low yield, the contradiction between the production, the biological diversification protection in tropical rain forest, and so on.
根据西双版纳阳春砂仁生产中品种退化、低产和与热带雨林生物多样化保护的矛盾等问题,提出了在最适宜区种植砂仁,进行规范化种植、集约化管理,统一加工、打造品牌,提高单产、减少种植面积的对策。
4) bulb deterioration
种球退化
6) Population Degradation
种群退化
1.
Studies on the Clonal Population Degradation and Restoration Mechanism of Qiongzhuea Tumidinoda;
筇竹无性系种群退化及恢复机制的研究
补充资料：种群增长率(见种群出生率)
种群增长率(见种群出生率)
种群增长率见种群出生率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条