{"id":4448,"date":"2018-02-05T11:02:17","date_gmt":"2018-02-05T04:02:17","guid":{"rendered":"http:\/\/wasi.org.vn\/?p=4448"},"modified":"2018-02-05T11:02:50","modified_gmt":"2018-02-05T04:02:50","slug":"vai-tro-va-tam-quan-trong-cua-vi-sinh-vat-noi-sinh-doi-voi-cay-trong-moi-truong-va-doi-song-con-nguoi-2","status":"publish","type":"post","link":"https:\/\/wasi.org.vn\/en\/vai-tro-va-tam-quan-trong-cua-vi-sinh-vat-noi-sinh-doi-voi-cay-trong-moi-truong-va-doi-song-con-nguoi\/","title":{"rendered":"Vai tr\u00f2 v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a Vi sinh v\u1eadt n\u1ed9i sinh \u0111\u1ed1i v\u1edbi c\u00e2y tr\u1ed3ng, m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111\u1eddi s\u1ed1ng con ng\u01b0\u1eddi"},"content":{"rendered":"

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VAI TR\u00d2 V\u00c0 T\u1ea6M QUAN TR\u1eccNG C\u1ee6A VI SINH V\u1eacT N\u1ed8I SINH <\/span>
\n \u0110\u1ed0I V\u1edaI C\u00c2Y TR\u1ed2NG, M\u00d4I TR\u01af\u1edcNG V\u00c0 \u0110\u1edcI S\u1ed0NG CON NG\u01af\u1edcI<\/span><\/p>\n

Bi\u00ean t\u1eadp v\u00e0 hi\u1ec7u ch\u1ec9nh: ThS. Ph\u1ea1m C\u00f4ng Tr\u00ed [1]<\/span><\/p>\n

PH\u1ea6N 2. VAI TR\u00d2 V\u00c0 \u1ee8NG D\u1ee4NG CH\u1ee6 Y\u1ebeU C\u1ee6A VI SINH V\u1eacT N\u1ed8I SINH<\/span><\/p>\n

1. K\u00edch th\u00edch sinh tr\u01b0\u1edfng (Phytostimulation)<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VSV n\u1ed9i sinh \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng gi\u00fap c\u00e2y l\u1ea5y dinh d\u01b0\u1ee1ng t\u1eeb m\u00f4i tr\u01b0\u1eddng (\u0111\u1ea5t, n\u01b0\u1edbc, kh\u00f4ng kh\u00ed); c\u1ed1 \u0111\u1ecbnh dinh d\u01b0\u1ee1ng t\u1eeb ho\u1ea1t \u0111\u1ed9ng c\u1ed9ng sinh; v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c ch\u1ea5t k\u00edch th\u00edch sinh tr\u01b0\u1edfng th\u1ef1c v\u1eadt nh\u01b0 auxin, cytokinin v\u00e0 gibberellic acid.<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Vi khu\u1ea9n Burkholderia vietnamiensisph\u00e2n l\u1eadp t\u1eeb B\u00f4ng d\u1ea1i (Populus trichocarpa) c\u00f3 th\u1ec3 c\u1ed1 \u0111\u1ecbnh\u00a0\u0111\u1ea1m v\u00e0 ti\u1ebft IAA. Ch\u1ee7ng n\u1ea5m Cladosporium sphaerospermum \u0111\u01b0\u1ee3c ph\u00e2n l\u1eadp t\u1eeb r\u1ec5 c\u00e2y \u0111\u1eadu t\u01b0\u01a1ng (Glycine max) c\u00f3 kh\u1ea3 n\u0103ng ti\u1ebft GA3, GA4, v\u00e0 GA7.<\/span><\/p>\n

2. S\u1ea3n xu\u1ea5t ch\u1ea5t t\u1ea1o m\u00e0u (Pigment Production)<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ch\u1ee7ng n\u1ea5m Penicillium purpurogenum, ph\u00e2n l\u1eadp t\u1eeb c\u00e0nh c\u00e2y b\u1ea1ch qu\u1ea3 (Ginkgo biloba L), c\u00f3 kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t nhi\u1ec1u ch\u1ea5t c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u1ea1o m\u00e0u th\u1ee9c \u0103n t\u1ef1 nhi\u00ean.<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 M\u1ed9t ch\u1ea5t t\u1ea1o m\u00e0u ph\u00e2n l\u1eadp t\u1eeb n\u1ea5m n\u1ed9i sinh Monodictys castaneae c\u00f3 th\u1ec3 \u1ee9c ch\u1ebf m\u1ed9t s\u1ed1 vi khu\u1ea9n g\u00e2y b\u1ec7nh tr\u00ean ng\u01b0\u1eddi Staphylococcus aureus, Klebsiella pneumonia, Salmonella typhi, and Vibrio cholerae c\u00f3 hi\u1ec7u qu\u1ea3 h\u01a1n so v\u1edbiStreptomycin.<\/span><\/p>\n

3. S\u1ea3n xu\u1ea5t enzyme (Enzyme Production)<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Nhi\u1ec1u enzyme quan tr\u1ecdng \u0111\u01b0\u1ee3c th\u01b0\u01a1ng m\u1ea1i ho\u00e1 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi VSV n\u1ed9i sinh.<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 N\u1ea5m n\u1ed9i sinh nh\u01b0 Acremonium terricola, Aspergillus japonicas, Cladosporium cladosporioides, Cladosporium sphaerospermum, Fusarium lateritium, Nigrospora sphaerica, Penicillium aurantiogriseum, Penicillium glandicola, Tetraploa aristata, Xylaria sp.,\u2026 \u0111\u00e3 th\u1ec3 hi\u1ec7n ti\u1ec1m n\u0103ng h\u1ee9a h\u1eb9n trong ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 sinh h\u1ecdc s\u1ea3n xu\u1ea5t c\u00e1c enzyme pectinase, cellulase, xylanase v\u00e0 protease, …<\/span><\/p>\n

4. T\u00e1c d\u1ee5ng kh\u00e1ng khu\u1ea9n (Antimicrobial Activity)<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 H\u1ea7u h\u1ebft vi sinh v\u1eadt n\u1ed9i sinh ph\u00e2n l\u1eadp t\u1eeb c\u00e2y tr\u1ed3ng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn t\u00e1c d\u1ee5ng kh\u00e1ng khu\u1ea9n gi\u00fap ph\u00f2ng tr\u1eeb b\u1ec7nh h\u1ea1i cho c\u00e2y tr\u1ed3ng, v\u1eadt nu\u00f4i v\u00e0 con ng\u01b0\u1eddi.<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1c VSV n\u1ed9i sinh Dothideomycetes sp., Alternaria tenuissima, Thielavia subthermophila, Nigrospora oryzae, Colletotrichum truncatum, Alternaria sp., v\u00e0 Chaetomium sp., ph\u00e2n l\u1eadp t\u1eeb c\u00e2y d\u01b0\u1ee3c li\u1ec7u Tylophora indica c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng v\u00e0 \u1ee9c ch\u1ebf sinh tr\u01b0\u1edfng v\u1edbi Sclerotinia sclerotiorum v\u00e0 Fusarium oxysporum.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0H\u00ecnh 1. Vi khu\u1ea9n n\u1ed9i sinh ph\u00e2n l\u1eadp t\u1eeb Vitis labrusca<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Kh\u00e1ng n\u1ea5m Ceratocystis paradoxa (a-b) v\u00e0 Rhizoctonia solani\u00a0(c-d)<\/span><\/p>\n

5. Ho\u1ea1t ch\u1ea5t sinh h\u1ecdc v\u00e0 h\u1ee3p ch\u1ea5t m\u1edbi (Source of Bioactives and Novel Compounds)<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 SV n\u1ed9i sinh c\u00f3 kh\u1ea3 n\u0103ng t\u1ed5ng h\u1ee3p c\u00e1c ho\u1ea1t ch\u1ea5t sinh h\u1ecdc c\u00f3 th\u1ec3 ph\u00f2ng ch\u1ed1ng b\u1ec7nh h\u1ea1i v\u00e0 m\u1ed9t s\u1ed1 ho\u1ea1t ch\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh r\u1ea5t h\u1eefu \u00edch v\u00e0 l\u00e0 d\u01b0\u1ee3c li\u1ec7u m\u1edbi.<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Nh\u1eefng nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y \u0111\u00e3 b\u00e1o c\u00e1o h\u00e0ng tr\u0103m s\u1ea3n ph\u1ea9m t\u1ef1 nhi\u00ean nh\u01b0 alkaloids, terpenoids, flavonoids v\u00e0 steroids \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb VSV n\u1ed9i sinh.<\/span><\/p>\n

6. T\u01b0\u01a1ng t\u00e1c gi\u1eefa h\u1ec7 VSV \u1edf tr\u00ean v\u00e0 d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t (Reciprocal Interactions between Above – and Belowground Communities)<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ph\u1ea3n \u1ee9ng c\u1ee7a qu\u1ea7n th\u1ec3 VSV trong \u0111\u1ea5t \u0111\u01b0\u1ee3c \u0111i\u1ec1u ho\u00e0 b\u1edfi c\u00e2y tr\u1ed3ng, nh\u01b0 c\u00e2y c\u1ecf h\u00e0ng n\u0103m Lolium multiflorum v\u1edbi m\u1ee9c \u0111\u1ed9 n\u1ed9i sinh c\u1ee7a n\u1ea5m Neotyphodium occultans<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 S\u1ef1 \u0111i\u1ec1u ho\u00e0 c\u1ee7a \u0111\u1ea5t \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn b\u1edfi m\u1eadt \u0111\u1ed9 VSV n\u1ed9i sinh trong c\u00e2y v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t trong \u0111\u1ea5t v\u00e0 t\u0103ng c\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a VSV \u0111\u1ea5t.<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1c ho\u1ea1t ch\u1ea5t sinh h\u1ecdc ph\u00e2n l\u1eadp t\u1eeb VSV n\u1ed9i sinh \u0111\u01b0\u1ee3c bi\u1ebft c\u00f3 ch\u1ee9c n\u0103ng kh\u00e1ng sinh, t\u00e1c nh\u00e2n ph\u00f2ng tr\u1eeb sinh h\u1ecdc, t\u0103ng c\u01b0\u1eddng h\u1ec7 mi\u1ec5n d\u1ecbch, t\u00e1c nh\u00e2n ch\u1ed1ng ung th\u01b0, \u2026<\/span><\/p>\n

7. Ph\u00f2ng tr\u1eeb sinh h\u1ecdc (Biocontrol Agents)<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VSV n\u1ed9i sinh \u0111\u01b0\u1ee3c xem l\u00e0 nh\u1eefng t\u00e1c nh\u00e2n sinh h\u1ecdc hi\u1ec7u qu\u1ea3 v\u00e0 c\u00f3 th\u1ec3 thay th\u1ebf bi\u1ec7n ph\u00e1p ho\u00e1 h\u1ecdc (Thu\u1ed1c BVTV).<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 N\u1ea5m n\u1ed9i sinh Beauveria bassiana \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh c\u00f4n tr\u00f9ng ph\u00f2ng tr\u1eeb m\u1ecdt \u0111\u1ee5c c\u00e0nh c\u00e0 ph\u00ea v\u00e0 k\u00ea. Vi khu\u1ea9n n\u1ed9i sinh Bacillus subtilis ph\u00e2n l\u1eadp t\u1eeb c\u00e2y h\u1ecd \u0110\u1ea1i K\u00edch Speranskia tuberculata c\u00f3 th\u1ec3 kh\u00e1ng m\u1ea1nh v\u1edbi n\u1ea5m g\u00e2y b\u1ec7nh <\/span>
\n B. cinerea g\u00e2y b\u1ec7nh th\u1ed1i h\u1ecfng rau, c\u1ee7 qu\u1ea3 sau thu ho\u1ea1ch \u1edf \u0111i\u1ec1u ki\u1ec7n in vitro.<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 S\u1eed d\u1ee5ng VSV n\u1ed9i sinh t\u00e1i t\u1ed5 h\u1ee3p nh\u01b0 t\u00e1c nh\u00e2n ph\u00f2ng tr\u1eeb sinh h\u1ecdc bi\u1ec3u hi\u1ec7n c\u00e1c protein kh\u00e1ng c\u00f4n tr\u00f9ng \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t k\u1ef9 thu\u1eadt ti\u1ec1m n\u0103ng ph\u00f2ng tr\u1eeb c\u00f4n tr\u00f9ng h\u1ea1i c\u00e2y tr\u1ed3ng b\u1edfi VSV n\u1ed9i sinh r\u1ea5t d\u1ec5 khu tr\u00fa \u1edf c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng kh\u00e1c nhau.<\/span><\/p>\n

8. Chu tr\u00ecnh tu\u1ea7n ho\u00e0n dinh d\u01b0\u1ee1ng (Nutrient Cycling)<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Chu tr\u00ecnh tu\u1ea7n ho\u00e0n dinh d\u01b0\u1ee1ng l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh r\u1ea5t quan tr\u1ecdng m\u00e0 x\u1ea3y ra li\u00ean t\u1ee5c \u0111\u1ec3 c\u00e2n b\u1eb1ng dinh d\u01b0\u1ee1ng cho c\u00e2y v\u00e0 t\u00e1i c\u1ea5u tr\u00fac c\u00e1c th\u00e0nh ph\u1ea7n trong h\u1ec7 sinh th\u00e1i. Trong \u0111\u00f3 s\u1ef1 ph\u00e2n hu\u1ef7 c\u00e1c sinh kh\u1ed1i sinh v\u1eadt l\u00e0 m\u1ed9t b\u01b0\u1edbc ch\u00ednh quan tr\u1ecdng.<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng VSV n\u1ed9i sinh c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong ph\u00e2n hu\u1ef7 r\u00e1c th\u1ea3i v\u00e0 c\u1ee7a c\u00e2y tr\u1ed3ng, th\u00f4ng qua s\u1ef1 t\u01b0\u01a1ng t\u00e1c v\u1edbic\u00e1c VSV ho\u1ea1i sinh v\u00e0 v\u00ec v\u1eady t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ph\u00e2n hu\u1ef7 ch\u1ea5t h\u1eefu c\u01a1.<\/span><\/p>\n

9. C\u1ea3i t\u1ea1o m\u00f4i tr\u01b0\u1eddng (Bioremediation\/Biodegradation)<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VSV n\u1ed9i sinh c\u00f3 kh\u1ea3 n\u0103ng r\u1ea5t m\u1ea1nh l\u00e0m b\u1ebb g\u00e3y\/ph\u00e2n hu\u1ef7 c\u00e1c h\u1ee3p ch\u1ea5t ph\u1ee9c t\u1ea1p; c\u1ea3i t\u1ea1o m\u00f4i tr\u01b0\u1eddng lo\u1ea1i tr\u1eeb c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m v\u00e0 ch\u1ea5t th\u1ea3i trong m\u00f4i tr\u01b0\u1eddng.<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Nghi\u00ean c\u1ee9u \u0111\u00e3 cho th\u1ea5y vai tr\u00f2 c\u1ee7a VSV n\u1ed9i sinh trong c\u1ea3i t\u1ea1o m\u00f4i tr\u01b0\u1eddng \u1edf c\u00e2y thu\u1ed1c l\u00e1. Khi l\u00e2y nhi\u1ec5m VSV n\u1ed9i sinh v\u00e0o c\u00e2y thu\u1ed1c l\u00e1, th\u00ec c\u00e2y c\u00f3 kh\u1ea3 n\u0103ng t\u0103ng sinh kh\u1ed1i trong \u0111i\u1ec1u ki\u1ec7n thi\u1ebfu Cadmium (Cd) so v\u1edbi c\u00e2y \u0111\u1ed1i ch\u1ee9ng.<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 H\u00e0ng lo\u1ea1t n\u1ea5m n\u1ed9i sinh \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ph\u00e2n hu\u1ef7 c\u00e1c polyme t\u1ed5ng h\u1ee3p (polyurethane-PUR). M\u1ed9t s\u1ed1 VSV \u0111\u00e3 th\u1ec3 hi\u1ec7n c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n hu\u1ef7 c\u00f3 hi\u1ec7u qu\u1ea3 PUR \u1edf d\u1ea1ng r\u1eafn v\u00e0 d\u1ea1ng l\u1ecfng, trong s\u1ed1 \u0111\u00f3 c\u00f3 n\u1ea5m n\u1ed9i sinh Pestalotiopsis. Hai ch\u1ee7ng n\u1ea5m n\u1ed9i sinh Pestalotiopsis microspora l\u00e0 ch\u1ee7ng \u0111\u1ed9c nh\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng v\u00e0 s\u1eed d\u1ee5ngPUR nh\u01b0 l\u00e0 ngu\u1ed3n carbon. Ph\u00e2n t\u00edch sinh h\u1ecdc ph\u00e2n t\u1eed cho th\u1ea5y n\u1ea5m n\u1ed9i sinh n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ti\u1ebft enzyme serine ph\u00e2n hu\u1ef7 PUR.<\/span><\/p>\n

10. S\u1ea3n xu\u1ea5t h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 bay h\u01a1i (Production of Volatile Organic Compounds)<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 N\u1ea5m n\u1ed9i sinh Hypoxylon sp. ph\u00e2n l\u1eadp t\u1eeb c\u00e2y Persea indica (chi B\u01a1) s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 bay h\u01a1i \u1ea5n t\u01b0\u1ee3ng (volatile organic compounds-VOCs), trong \u0111\u00f3 n\u1ed5i ti\u1ebfng nh\u1ea5t l\u00e0 1,8-cineole, 1-methyl-1,4-cyclohexadiene, v\u00e0 alpha-methylene-alpha-fenchocamphorone, … C\u00e1c ho\u1ea1t ch\u1ea5t bay h\u01a1i n\u00e0y c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t s\u1ed1 vai tr\u00f2 sinh h\u1ecdc quan tr\u1ecdng v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng t\u1ed3n t\u1ea1i trong c\u00e2y k\u00fd ch\u1ee7\/c\u00e2y tr\u1ed3ng. Ho\u1ea1t ch\u1ea5t bay h\u01a1i (VOC) th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng kh\u00e1ng n\u1ea5m m\u1ea1nh nh\u1ea5t v\u1edbi Botrytis cinerea, Phytophthora cinnamomi, Cercospora beticola, v\u00e0 Sclerotinia sclerotiorum.<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 N\u1ea5m n\u1ed9i sinh Phomopsis sp. \u0111\u01b0\u1ee3c ph\u00e2n l\u1eadp t\u1eeb c\u00e2y Odontoglossum sp. (H\u1ecd Lan), s\u1ea3n xu\u1ea5t c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 bay h\u01a1i t\u1ed5ng h\u1ee3p \u0111\u1ed9c \u0111\u00e1o (VOCs) bao g\u1ed3m sabinene (m\u1ed9t monoterpene c\u00f3 m\u00f9i h\u00f4i), 1-butanol, 3-methyl; benzeneethanol; 1-propanol, 2-methyl, and 2- propanone.<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 H\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 bay h\u01a1i c\u1ee7a n\u1ea5m n\u1ed9i sinh Phomopsis sp. s\u1edf h\u1eefu nh\u1eefng \u0111\u1eb7c t\u00ednh kh\u00e1ng \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i n\u1ea5m Pythium, Phytophthora, Sclerotinia, Rhizoctonia, Fusarium, Botrytis, Verticillium, v\u00e0Colletotrichum.<\/span><\/p>\n

11. VSV n\u1ed9i sinh v\u1edbi nhi\u1ec1u l\u1ee3i \u00edch (Endophytes with Multiple Roles)<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Nhi\u1ec1u VSV n\u1ed9i sinh \u0111\u01b0\u1ee3c bi\u1ebft c\u00f3 h\u00e0ng lo\u1ea1t ho\u1ea1t \u0111\u1ed9ng trong c\u00e2y k\u00fd ch\u1ee7, nhi\u1ec1u VSV n\u1ed9i sinh \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n c\u00f3 ho\u1ea1t t\u00ednh thu\u1ed1c tr\u1eeb c\u1ecf c\u00f9ng v\u1edbi kh\u1ea3 n\u0103ng kh\u00e1ng khu\u1ea9n.<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Vi khu\u1ea9n n\u1ed9i sinh Bacillus sp. SLS18 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nh\u01b0 VSV n\u1ed9i sinh k\u00edch th\u00edch sinh tr\u01b0\u1edfng; \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 vai tr\u00f2 s\u1ea3n xu\u1ea5t sinh kh\u1ed1i v\u00e0 h\u00fat vi l\u01b0\u1ee3ng ma-nh\u00ea, ca-\u0111i-mi,\u2026 \u1edf c\u00e2y k\u00ea (Sorghum bicolor L.) v\u00e0 c\u00e2y c\u00e0 (Solanum nigrum L.); c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p thu (h\u00fat) c\u00e1c kim lo\u1ea1i n\u1eb7ng v\u00e0 kh\u00e1ng sinh; v\u00e0 ti\u1ebft ch\u1ea5t k\u00edch th\u00edch sinh tr\u01b0\u1edfng indole-3-acetic acid, kh\u00e1ng sinh siderophores,1-aminocyclopropane-1-carboxylic acid deaminase.<\/span><\/p>\n

12. VSV n\u1ed9i sinh t\u00e1c h\u1ea1i trong nu\u00f4i c\u1ea5y m\u00f4 t\u1ebf b\u00e0o (Endophytes in Tissue Culture)<\/span><\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VSV n\u1ed9i sinh r\u1ea5t h\u1eefu \u00edch cho c\u00e2y k\u00fd ch\u1ee7, c\u00e2y tr\u1ed3ng \u1edf nhi\u1ec1u kh\u00eda c\u1ea1nh kh\u00e1c nhau. Tuy nhi\u00ean trong l\u0129nh v\u1ef1c nu\u00f4i c\u1ea5y m\u00f4 t\u1ebf b\u00e0o n\u00f3 l\u1ea1i th\u01b0\u1eddng l\u00e0 t\u00e1c nh\u00e2n g\u00e2y nhi\u1ec5m khu\u1ea9n – \u0110\u00e2y l\u00e0 m\u1ed9t c\u1ea3n tr\u1edf v\u00e0 t\u1ed1n k\u00e9m c\u00f4ng s\u1ee9c, ho\u00e1 ch\u1ea5t kh\u1eed tr\u00f9ng, ch\u1ed1ng l\u00e2y nhi\u1ec5m m\u1eabu trong l\u0129nh v\u1ef1c n\u00e0y.<\/span><\/p>\n

K\u1ef3 tr\u01b0\u1edbc: \u0110\u1ecbnh ngh\u0129a vi sinh v\u1eadt n\u1ed9i sinh (endophytes) (ph\u1ea7n 1).<\/span><\/p>\n

[1]D\u1eabn theo PGS.TS. Tr\u1ea7n Th\u1ecb Thu H\u00e0 – Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc N\u00f4ng l\u00e2m Hu\u1ebf<\/span><\/p>\n

<\/p>","protected":false},"excerpt":{"rendered":"

VAI TR\u00d2 V\u00c0 T\u1ea6M QUAN TR\u1eccNG C\u1ee6A VI SINH V\u1eacT N\u1ed8I SINH \u0110\u1ed0I V\u1edaI C\u00c2Y TR\u1ed2NG, M\u00d4I TR\u01af\u1edcNG V\u00c0 \u0110\u1edcI S\u1ed0NG CON NG\u01af\u1edcI Bi\u00ean t\u1eadp v\u00e0 hi\u1ec7u ch\u1ec9nh: ThS. Ph\u1ea1m C\u00f4ng Tr\u00ed [1] PH\u1ea6N 2. VAI TR\u00d2 V\u00c0 \u1ee8NG D\u1ee4NG CH\u1ee6 Y\u1ebeU C\u1ee6A VI SINH V\u1eacT N\u1ed8I SINH 1. K\u00edch th\u00edch sinh tr\u01b0\u1edfng (Phytostimulation) \u2022\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VSV n\u1ed9i sinh \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng gi\u00fap c\u00e2y l\u1ea5y dinh d\u01b0\u1ee1ng t\u1eeb m\u00f4i…<\/p>\n","protected":false},"author":1,"featured_media":4608,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-4448","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc-nong-nghiep"],"_links":{"self":[{"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/posts\/4448","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/comments?post=4448"}],"version-history":[{"count":0,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/posts\/4448\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/media\/4608"}],"wp:attachment":[{"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/media?parent=4448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/categories?post=4448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/tags?post=4448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}