na INLIS000000000026340 Ind 0010-1218008178 Reproduction in Spinacia oleracea L. ultrastructural aspects of probit development, polination and fertilization WILMS, H.J. H.J. Wilms Wageningen Landbouwhogeschool te Wageningen 1981 129 p. : ill. ; 21 cm. 129 p. : ill. ; 21 cm. 635.41WILr Disertation(Dr)-van de Landbouwhogeschool te Wageningen, 1981 635.41 SPINACIA OLERACEA POLLINATION FERTILIZERS REPRODUCTION 555/82