低温对根结线虫和北方根结线虫卵块中卵发育的影响。
Influence of low temperature on development of Meloidogyne incognita and M. hapla eggs in egg masses.
作者信息
Vrain T C, Barker K R
机构信息
North Carolina Agricultural Experiment Station, Raleigh, NC 27607, USA.
出版信息
J Nematol. 1978 Oct;10(4):311-3.
Egg masses of Meloidogyne incognita and M. hapla were placed in soil at 10, 12, 16, and 20 C. At regular intervals, eggs from samples of egg masses were released from the gelatinous matrices and their developmental stages recorded. The number of days necessary to complete each stage from gastrulation to hatch is given for each temperature. The minimal temperature threshold for the development of eggs was computed by linear regression to be 8.26 C for M. incognita and 6.74 C for M. hapla.
将南方根结线虫和北方根结线虫的卵块置于10℃、12℃、16℃和20℃的土壤中。每隔一定时间，从卵块样本中取出卵，使其从凝胶状基质中释放出来，并记录其发育阶段。给出了每种温度下从原肠胚形成到孵化完成每个阶段所需的天数。通过线性回归计算得出，南方根结线虫卵发育的最低温度阈值为8.26℃，北方根结线虫卵发育的最低温度阈值为6.74℃。
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