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当前位置: 首页 > 文章 > 转Bt基因水稻花粉对家蚕不同品种幼虫的生存分析 蚕桑通报 2006,37 (3) 28-32
Position: Home > Articles > Survival Analysis of the Larvae from Different Hybrids of Silkworm,Bombyx mori Exposure to Bt Rice Pollen Bulletin of Sericulture 2006,37 (3) 28-32

转Bt基因水稻花粉对家蚕不同品种幼虫的生存分析

作  者：
袁志东;姚洪渭;叶恭银;胡萃
单  位：
浙江大学水稻生物学国家重点实验室/昆虫科学研究所
关键词：
Bt水稻;花粉;家蚕品种;生物测定;生存分析
摘  要：
家蚕不同品种幼虫经Bt水稻花粉(1.19±0.10μg杀虫蛋白/g饲料)喂食48h后,存活曲线呈现明显的差异性变化,其中除夏秋蚕杂交种——丰一×54A的存活曲线与非Bt水稻花粉处理的无显著差异外,其余家蚕品种的幼虫存活曲线均与非Bt水稻花粉处理的有极显著差异。丰一×54A幼虫经Bt水稻花粉处理后的存活率极显著高于其亲本和春蚕杂交种——菁松×皓月及其亲本,即丰一×54A对Bt水稻花粉的抗/耐性相对较强。家蚕不同品种幼虫经相同剂量非Bt水稻花粉喂食后表明,非Bt水稻花粉对家蚕幼虫的存活无显著不利影响。
译  名：
Survival Analysis of the Larvae from Different Hybrids of Silkworm,Bombyx mori Exposure to Bt Rice Pollen
作  者：
YUAN Zhi-dong,YAO Hong-wei,YE Gong-yin,HU Cui(Institute of Insect Sciences /State Key Laboratory of Rice Biology,Zhejiang University,Hangzhou 310029,China)
关键词：
Bt rice;Pollen;Silkworm hybrid;Bioassay;Survival analysis
摘  要：
After fed with Bt rice pollen at the concentration of 1.19 ± 0.10μg Cry1Ab/g artificial diet,for 48 h,survival curves of the larvae from different silkworm varieties showed a significant different variation pattern among the varieties.There was no significant difference in the survival curve of Fengyi × 54A,a hybrid for summer and autumn rearing,between Bt rice pollen and non-Bt rice pollen exposure.In contrast,survival curves of other varieties exposed to Bt rice pollen were highly significant difference from those exposed to non-Bt rice pollen.The survival rate of Fengyi × 54A was much higher than its parental races,and Jingsong × Haoyue,a hybrid for spring rearing,and its parental races,which indicated that Fengyi × 54A was more resistant or tolerant to Bt rice pollen than other varieties.The test of the larvae fed with non-Bt rice pollen suggested that non-Bt rice pollen at such a dose probably posed no marked impact on the survival of silkworms.

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