KHOA HOC CONG NOHl D A DAIVG THAIMH PHAIM LOAI HO OAU (FABACEAE) O PHIA IMAM HUYEIM TIIMH GIA, THAIMH HOA Dau BaThin1, Le Van Do2 t 6 m t At Bai bao niy gidi thidu mpt so kdt qua nghien cuu vd ho Dau a phia nam huyen Tinh Gia, Thanh Hoa tir nam 2012 ddn 2013, da c6 91 loai va dudi loai thuoc 41 chi cua ho Dau dupe xac dinh. Trong do, Dalbergia va M illettia la 2 chi giau loai nhat vdi 9 loai, tidp ddn la chi Bauhinia co 8 loai, chi Acacia co 6 loai, cac chi khic c6 sd lupng tir 1 ddn 4 loai. Vd gia tri su dung: cd 41 loai cd gia tri lam thudc; 16 loai cho gd; 5 loai an dupe; 18 loii lam phan xanh; cay cho doc vdi 3 loai; cay lam canh va cho tanin cung vdi 2 loai. Hp Dau d phia nam huyen Tinh Gia mang tinh chat nhiet ddi didn hinh bdi yeu to dia ly nhiet ddi chau A chidm ti le cao nhit (68,13%), tidp ddn la ydu to dia ly dac huu va gan dac huu Viet Nam (14,28%). Vd dang song, chu ydu thuoc nhom cay choi trdn vdi 82 loai va dudi loai (chidm 90,11%). Tir khda: Da dang, h o D iu, Tinh Gia, Thanh Hda, yeu to dia ly. 1.M VBilU Toan bo cac miu vat thuoc hp Dau tai khu vuc Trong cac hp cay d nuoc ta cung nhu tren the nghien cuu, mdi cay dupe thu tir 3 ddn 5 miu. Miu gioi, hp Dau (Fabaceae) la mot trong nhung hp Ion duoc xu ly va lun trir tai Bao tang Thuc vat Khoa va pho bien. O cac khu rimg nhiet doi co khoang Sinh hpc - Dai hpc Vinh. 18.000 loai cay thuoc ho Dau. Tren ca sd nhung 2.2. Phuong phap nghien cuu cong trinh nghidn ctru trong nude va tren the gidi Thu miu, xu ly miu: Tidn hanh thep phuong da cong bo gan day, Nguyen Nghia Thin (1997) da phap thong dung hien hanh (Nguyen Nghia Thin, thdng k6 cac ho da dang nhat cua he thuc vat Viet 1997 [8]), cong viec nay duoc tien hanh nhieu dpt tir Nam, trong dd ho Dau cd 400 loai va dudi loai, chi nam 2012 den nam 2013. dung sau hp Lan (Orchidaceae) vdi 800 loai va dudi loai va hp Thau dau (425 loai va dudi loai) [7]. Dia diem va cac tuyen thu miu: tai c lc xa phia nam cua huyen Tinh Gia (gdm: Tan Trudng, Phu Hq Dau cung la mot trong nhung hp phuc tap nhat San, Trudng Lam, Nghi Son, Hai Thuong, Tiing bap gdm day du cac dang song tir cay gd ldn den Lam). cay than thao hay day leo. Nhieu loai cay trong cac hp nay cd y nghia ldn, cd nhieu gia tri sir dung Xac dinh ten khoa hoc: Su dung phuong phap khac nhau nhu cho gd, lam thudc, lam canh, lam hinh thai so sanh va dua vao cac khoa dinh loai, cac thuc Sn... ma con cd y nghia ddi vdi ddi song con ban mo ta trong cac tai lieu: Cay cd Viet Nam cua ngudi. Pham Hoang Ho (1999) [5] va cac tai lieu lien quan khac. Chinh ly ten khoa hoc va sip xep danh luc Vi vay, viec nghien cuu va phat trien cac loai thuc vat theo tai lieu Danh luc cac loai thuc vat Viet thuc vat hp Dau cung nhu toan bo cac loai trong he Nam cua Nguyen Tien Ban va nnk (2003) [2] va thuc vat cang trd nen cap thiet hon, tir dd, dua ra mot Vascular plant fam ilies and genera cua Brummitt R. sd din lieu ve ho Dau de lam ca sd cho viec khai thac K (1992) [3J. va sir dung hap ly ngudn tai nguyen thien nhien d khu vuc nghien cuu. Trong bai bao nay, chung toi Danh gia tinh da dang ve ydu to dja ly theo cung cap them mot sd ket qua nghien ciru cap nhat Nguyen Nghia Thin (2008) [9], gia tri su dung ve da dang ho Dau d phia Nam huyen Tinh Gia, theo Vo Van Chi (2012) [4], Trieu Van Hung Thanh Hda. (2007) [6],..., dang song theo Raunkiaer (1934) 2. VAT UlU VA PMIONG PHAP NGHtN CUU [7]. 2.1. V$t li£u 3. KET QUA IMNEN CUU VA THAO LUAN 3.1. Thanh phan loai hp D|u (Fabaceae) d phia nam huyen Tinh Gia, Thanh Hda 1 Dai hpc Hong Due 2 Khoa Sinh, Dai hpc Vinh NONG NGHIEP VA PHAT TRIEN NONG THON -KY 2 -THANG 6/2014 53 KHOA HOC CONG NgHl Qua di£u tra, phan loai da xac dinh duac 91 loai tim thay co s6 luong tu 1 d&i 9 loai; k « qua dirge va duoi loai cua ho Dau (Fabaceae) gom 41 chi thuoc trinh bay tai bang 1. 3 phan ho co mat tai vung nghien cuu, cac chi duoc Y£u to Dang Giatii sir TT Ten khoa hpc Ten Viet Nam dia ly song dung I Caesalpinioideae Phan hp Vang Bauhinia glauca ssp. tenuiBora (Watt ex C.B.Clarke) Mong bo moc 4 Lp K & S. Larsen Bauhinia godefroyi Gagnep. Mong bo gode 4.5 Lp Bauhinia lakhonensis Gagnep. Mong bo la khon 4.5 Lp M Bauhinia omata Kurz Mong bo dien 4.3 Lp Bauhinia omata war. balansae (Gagnep.) K & S. Larsen Day go 6 Lp Bauhinia oxysepala Gagnep. Mong bo dai nhon 6 Lp Bauhinia penicilliloba Pierre ex Gagnep. Mong bo but long 4.5 Na M Bauhinia saigonensis Pierre ex Gagnep. Mong bo nhi dai 6 Lp Fe Caesalpinia latisiliqua (Cav.) Hattink Vau dieu 4 Lp Caesalpinia mimax Hance Vuot hum 4.2 Lp M Cassia javanica ssp. agn es (De Wit) K Larsen Bp cap dong 4 Me M.T.Or Erythrophleum fordii Oliv. Lim xanh 4.4 Mg M.T.Tn Gleditsia fera (Lour.) Merr. Chum ket 4.1 Mi M Gleditsia pachycarpa BaL ex Gagnep. Bo ket qua day 6 Mi Peltophorum dasyrrachis (Miq.) Kurz Hoang linh 4.1 Mg Fe,M,T Senna alata (L.) Roxb. Muong trau 7 Na M Senna hirsuta (L) Irwin & Bameby Muong long 7 Na M Senna siamea (Lamk) Irwin & Bameby Muong den 2 Me Fe,M,T Senna tora (L.) Roxb. Muong lac 7 Th M Sindora tonkinensis A. Chev. ex K & S. Larsen Gu lau 4.5 Mg M,Tn Tamarindus indica L. Me 7 Me Fe,M II Faboideae Phan ho Dau Abruspulchellus ssp. m ollis (Hance) Verde. Day cam thao gi 4.1 Lp M sat Amphicarpa edgeworthii Benth. Song qua 5.4 Th M Bowringia callicarpa Champ, ex Benth. Day banh nem 4.1 Lp M Cajanus scarabaeoides{ L) Thouars Binh dau 4 Lp Fe.M Callerya cinerea (Benth.) Schot Than mat tro 4.2 Lp Callerya euriobotrya (Drake) Schot Day lang 4.2 Lp M Callerya reticulata (Benth.) Schot Ke huyet ding 5.4 Lp M Canavalia cathartica Thouars Dau dao 4 Th Fe.Mp Crotalaria medicaginea Lamk Luc lac la muc tuc 4.3 Ch Crotaloria pallida Ait. Luc lac ba la tron 2 Th Fe,M Dalbergia assamica Benth. var. laccifera (Eberth. & Co khet qua hep 6 Me T Dubard) Niyomdham Dalbergia dyeriana Prain ex Harms Trie dyer 6.1 Lp Dalbergia entadioides Pierre ex Prain Trie bam bam 4.5 Lp Dalbergia hom'dawar. glabrescens (Prain) Mabb. Trie nhieu hoa 4.2 Lp M Dalbergia lanceolaria Li. var. lakhonensis (Gagnep.) Trie mui giao 4.3 Me M.T 54 NONG NGHIEP VA PHAT TRIEN NONG THON - KY 2 - THANG 6/2014 KHOA HOC CbNONOHl __ Phamh. ^ Dalbergia olivieri Gamble ex Prain Cam lai 4.3 Mg T Dalbergia ovata Grah. ex Benth. Trac trung 4.3 Me Dalbergia polyadelpha Prain Song la 6.1 Me M Dalbergia tonkinensis Prain Sira 6.1 Me T Derris eliptica (Roxb.) Benth. Day mat 4 Lp M,Mp Derris ferruginea (Roxb.) Benth. Coc ken gi set 4.2 Lp M Derris marginata (Roxb.) Benth. Coc ken bia 4.2 Mi Desmodiwn heterocarpon (L.) DC. Thoc lep di qua 3.1 Ch Fe,M Desmodium strigillosum Schindl. Thoc lep long rap 4.3 Ch M Desmodium styracifolium (Osbeck) Merr. Vay rong 4 Hp Fe,M Thoc lep long 4 Na Fe,M Desmodium velutinum (Willd.) DC. nhung Erythrina stricta Roxb. Vong nem hoa hep 4.3 Me Or Flemingia lineata (L) Roxb. ex Ait f. Top mo hep 4 Na Galactia laotica Thuan Nhu thao lao 4.5 Lp Nhu thai cuong 4.5 Fe Galactia longipes Gagnep. Lp dai Indigofera zollingeriana Miq. Cham la nhon 4.1 Mi Fe Lens culinaris Medik. Thiet dau 3.2 Th F M illettia brandisiana Kurz Than mat brandis 4.3 Mi Millettia cinerea (Benth.) Schot Than mat tro 4.2 Lp Millettia coerulea Baker Than mat lam 4.3 Mi M illettia diptera Gagnep. Than mat hai canh 4.2 Me Millettia pachyloba Drake Than mat thuy day 6.1 lp M M illettia penduliformis Gagnep. Than mat qua lac 4.5 lp Than mat gan co 4.3 Mi T M illettia pubinervis Kurz long Millettia pulchra (Colebr. ex Benth) Kurz Bach chi nam 4.2 Mi M Millettia sericea (Vent) Wight & Am. Than mat long to 4.1 Ip Mucuna bracteata Kurz Dau meo la bac 4.2 Ip Fe Mucuna revoluta Wilmot-Dear Dau moc 4 Lp Fe Ormosia merrilliana L.