蚕种催青见点时长与一日孵化率高低的调查分析

Investigation on the Relationship Between the Uniformity of Embryo Head Coloring and Daily Hatching Rate During the Hatching Process of Silkworm Eggs

家蚕一代杂交种一日孵化率的高低与蚕种催青见点时长密切相关。对比调查发现,反交种见点时长要比正交种短,一日孵化率也稍高于正交种;越年种要比浸酸种的见点时长长,一日孵化率也略低于浸酸种。