| 摘要 |
<p>PCT No. PCT/NL92/00126 Sec. 371 Date Jun. 1, 1994 Sec. 102(e) Date Jan. 14, 1994 PCT Filed Jul. 10, 1992 PCT Pub. No. WO93/02083 PCT Pub. Date Feb. 4, 1993The invention is directed to a hatching agent for hatching the species and patho types of nematodes causing potation sickness, which nematodes comprise Globodera pallida, from the cysts thereof, with a molecular weight of 498, a component C27H30O9 and the structure of formula (a) and the derivatives, esters and salts thereof. <IMAGE> (a)</p> |
