Correct blessing is Hagafen:^[1] Some Poskim^[2] rule that if one recited the blessing of Ha’adama on wine instead of the blessing of Hagafen, then he does not fulfill his obligation and must repeat the correct blessing of Hagafen. Other Poskim^[3], however, rule that one does fulfill his obligation Bedieved if he said the blessing of Ha’adam over wine. [Practically, Safek Brachos Lihakel and the blessing is not to be repeated.^[4] However, if one remembers his mistake within Kdei Dibbur, then one is to initially correct himself and conclude with the words Borei Peri Hagafen.^[5] Likewise, some Poskim^[6] write that he should only drink a small amount of wine, and then go outside or inside to make a Hefsek, and then say the correct blessing prior to continuing eating.]

Summary:

Yotzei due to Safek Brachos Lihakel.

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[1] See Piskeiy Teshuvos 208:23; M”B 202:70; Kaf Hachaim 202:77

[2] All Poskim who rule this way regarding Haeitz on wine, and even more so would this apply regarding Ha’dama: Admur 202:10; Luach Birchas Hanehnin 1:2 and 10:11 [Omitted from Seder Birchas Hanehnin 1:2 and 6:9]; M”A 208:22; Panim Chadashos end of Hilchos Brachos; Shut Mahariy Levi Kelal 5:47

[3] Even Haozer 208:14; Ritva Brachos 2:14; 3:11; Reiah Brachos 40b; Shita Mekubetzes Brachos 35a; Kitzur SHU”A 56:3 in Lechem Hapanim; Orchos Chaim 1208:13; Sdei Chemed Asifas Dinim Mareches Brachos 1:2; Kaf Hachaim 202:11; 208:78, in name of Rameh Alfasi; So rule regarding Haeitz and the same may apply regarding Ha’adama [See Chidushei Tzemach Tzedek 7c who leaves this matter in question]: Gloss of Maharil on Admur 202:10 [regarding his ruling that if one said Haeitz on wine that he is not Yotzei] “In the Siddur Admur omitted this ruling and I am almost certain that I heard from Admur’s holy mouth that he retracted his ruling and ruled like the Even Haozer that he is Yotzei.”; Hagahos Rav Akiva Eiger 208:9 in name of Ginas Veradim; Yad Efraim 202 in name of Halachos Ketanos; Ketzos Hashulchan 49 footnote 1; Toras Menachem on Seder Birchas Hanehnin 1:1; See Tzemach Tzedek O.C. 26:4; Chidushei Tzemach Tzedek 7b; 10d

[4] See Chidushei Tzemach Tzedek 7c who leaves this matter in question [and hence Safek Brachos Lihakel!]; Piskeiy Teshuvos ibid; Kaf Hachaim ibid

[5] Yad Efraim ibid; Kitzur SHU”A 56:3; See also Sdei Chemed Mareches Brachos 1; Birchas Habayis 7:15; Ketzos Hashulchan 37 footnote 34; See Halacha 16!

[6] Igros Moshe 4:40; Piskeiy Teshuvos 206:3; 208:23