新疆甘薯茎线虫生物学特性的初步研究  

A Study on the Biological Characters of Sweet Potato Stem Nematode in Xinjiang

作　　者：赵雅峰[1] 王晓东[1] 张琼[1] 谢方生 

机构地区：[1]新疆兵团绿洲生态农业重点实验室 [2]新疆兵团农三师巴楚县44团,新疆巴楚843800

出　　处：《石河子大学学报（自然科学版）》2007年第1期43-45,共3页Journal of Shihezi University(Natural Science)

摘　　要：对新疆甘薯茎线虫的生物学特性进行了初步研究,结果表明:甘薯茎线虫在30℃存活率为98%,完全致死温度为45℃。对盐、酸碱的适应性较广,0.2%～3.5%NaCl溶液中其均有存活,1.6%浓度时其存活率迅速下降,浓度高于3.5%时基本不能存活;低盐、酸性环境较有利于甘薯茎线虫的生活,最适pH为7.2。The biological characteristics of Ditylenchus destructor isolated from the sweet potato in Xinjiang were studied. The results showed that the livability of Ditylenchus destructor descend from 30℃ to 45℃. The lethal temperature was 45℃ for 20min. Its adaptability of salt, acid or alkali was wide. Ditylenchus destructor can survive in different NaCI solution grads from 0.2% to 3.5%. But the livability of Ditylenchus destructor descend quickly overl. 6% NaCI solution, more than 3.5% can＇t survive. The acidity and low salt environment is more advantageous to the life of Ditylenchus destructor. The most suitable pH value is 7.2.

关 键 词：甘薯 茎线虫 生物学特性 

分 类 号：S435.313[农业科学—农业昆虫与害虫防治]