larvae activated by the excreta of the roots of the trap crops escape from the cysts and invade the root fibres of the trap crops. After the larvae have got holdfast on the roots, but have not yet developed to adult females, before the latter haveanbsp;...
|Title||:||A Manual of Agricultural Helminthology|
|Author||:||Ivan Nikolaevič Filipév, Jacobus Hermanus Schuurmans Stekhoven|
|Publisher||:||Brill Archive - 1959|