For citations:
Lazko V.Е., Yakimova O.V., Blagorodova E.N. Use of ripening fruits in seed production of early-maturing varieties of melons and gourds in spring and summer sowing. Vegetable crops of Russia. 2021;(1):47-51. (In Russ.) https://doi.org/10.18619/2072-9146-2021-1-47-51