Another extra risk factor in organic production is the avoidance of fungicides, which can lead to the growth of moulds and increased risk of mycotoxins such as aflatoxin and ergot in crops.

有机生产中存在的另一个问题是拒绝使用杀真菌剂，这样就会致使霉菌生长，造成农作物中黄曲霉素和麦角碱之类的霉菌毒大量增加。

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The first factor that influenced callus formation was genotype; the second was growth regulator, and the third was organic nutrient content and sucrose.

基因型是影响愈伤组织形成的主要因素，其次是生长调节物质，再次是有机营养成分和蔗糖；

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Folic acid or folate: Organic compound essential to animal growth and health and needed by bacteria as a growth factor.

叶酸：一种维生素B复合体，为动物代谢所必需，也是细菌所需要的一种生长因子。

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