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印度迈索尔中央蚕丝业研究与培训学院的 Ravindra Singh 等3位研究人员,就热水对6个蚕种卵休眠的影响作了研究。它们是 HosaMysore(多化性种,偶尔产休眠卵)、Daizo(属中间品系,约产70%休眠卵和20～30%非休眠卵),中国二化性品系 KA 和 NB_7(卵形茧)、日本二化性品系 NB_(18)和 NB_4D_2(哑铃型茧)。中、日2个二化性品系
Three researchers, Ravindra Singh from the Central Silk Industry Research and Training Institute in Mysore, India, studied the effect of hot water on dormancy of six silkworm eggs. They are HosaMysore (multiple species, occasional dormant eggs), Daizo (intermediate strain, about 70% dormant eggs and 20-30% non-dormant eggs), two Chinese strains KA and NB_7 (ovoid cocoon) , Nipponbare line NB_ (18) and NB_4D_2 (dumbbell-type cocoon). China and Japan two two chemical lines