Khoa hoc Nong nghiep I Trong trot DOl: 10.31276/VJST.64( 12).48-53 Nghien ciru irng dung anh sang LED san xuat cay giong mot so loai hoa cue tai Ha Noi D§ Thj Gam1*, Hoang Thj Huyen2, Do Tien Phat2, Pham Bich Ngoc2, Nguyln Van Thao1, Phan Thj Lan Anh1, Nguyen Thj Thu1, Hoang Thi Thu Linh1, Dinh Thi Thao2, Nguyln Thj Hong Ha2, Nguyen Thj Thu Hien2, Chu Hoang Ha2, Phan Hong Khoi1 ‘Trung tarn P h d t trien C ong n ghe cao, Vien H a n lam K H & C N Viet N am Vien C ong nghe Sin k hoc, Vien H an lam K H & C N Viet N am N g a y n h an b a i 2 /4 /2 2 ; n g a y c h u y e n p h a n b ie n /4 /2 2 ; n g a y n h an p h a n b ie n /5 /2 2 ; n g a y c h a p n h an d a n g /5 /2 2 Tom tat: H oa cue la loai cay co gia trj th r o n g pham cao, chiem m ot ty lorn tong san lu o n g hoa cat canh xuat khau tai Viet N am T h u c te cho thay nhu cSu ve giong cay hoa cue la vo cung lorn C ay hoa cue co dac tinh cay ngan, luon yeu cau chieu sang bo sung giai doan nhan gidng cap tai thdi d iim vu thu dong N ghien cun diro'c th u c hien nham danh gia kha nang irng dung den L E D nong nghiep tiet kiem nang lu on g thay the cac k ilu den tru y ln thdng nhan gidng cap m ot so gidng cay hoa cue tai H a N oi K et qua cho thdy, kieu den LED B3R7 660 nm (L E D xanh 450 nm va L E D 660 nm ph6i hop theo ty le 7:3) la phu hop nhat d6i vdi qua trinh nhan gidng cap vwon warn tren giong hoa cue dwgc khao sat la: Pha IS ( Chrysanthemum indicum yellow ), K im cuang (C morifolium cv K im C uong) va Farm (C morifolium H ibiki) K ieu den L E D deu cho hieu suat nhan choi cao hon so v o i den com pact (lan lirot la ,9 ,1 ,4 va 26,89% tu o n g irng v o i cac giong cue Pha le, K im cu-ong va Farm ), d6ng th oi chSt lirong cay giong dirnc danh gia la twang du-ang v o i cay cue nuoi d u den com pact H ieu qua tiet kiem dien cua m o hinh sir dung anh sang L ED dat khoang 55,21% so v o i den com pact Tie khoa; cue F arm , cue K im cirong, cue Pha le, den L ED nong nghiep, nhan giong hoa cue, san xuat cay giong Chi so phan loai: 4.1 fla t van tie D e n L E D d a d u o c m in h c h u n g c o h ie u q u a h o tr o s in h tr u d n g c u a m o t s o d o i t u o n g t h u c v a t tr o n g g ia i d o a n n h a n H o a c u e d ir g e sir d u n g t r o n g n h i e u h o a t d o n g s o n g t h u c m g n g a y c u a n g ir d i d a n v a m o t l u g n g I o n h o a c u e c a t c a n h d u o c s u d u n g c h o m u c d ic h x u a t k h a u H o a c u e la c a y n g a y n g a n c o k h a n a n g h o a tu n h ie n tr o n g d ie u k ie n th d i g ia n b a n n g a y n g a n h o n b a n d e m D o d o , d e c o th e th u a n lo i c a n h ta c c a y h o a c u e q u a n h n a m n h a m d a p lin g n h u c a u n o i d ia c u n g n h u x u a t k h a u , c h i e u s a n g d i e u k h i e n q u a n g g io n g in vitro v a h o a n to a n c o t i e m n a n g t h a y th e c a c lo a i d e n tr u y e n t h o n g tr o n g c a c p h o n g n u o i c a y m o C a c n g h ie n curu c h i d e n L E D k h o n g c h i a n h h u c m g d e n h in h th a i c a y in vitro ma c o n d a c b ie t ta c d o n g d e n h ie u q u a n h a n n h a n h c u n g n h u t y le t a o c a y h o a n c h in h d c a c d o i t u o n g n g h ie n curu [ - ] , N g h ie n c u u c u a D u o n g T a n N h ir t v a N g u y e n B a N a m ( 0 ) [ ] d a c h o th a y , c a y h o a c u e t h e h ie n k h a n a n g s in h t r u d n g n h a n h h o n c h u k y la g i a i d o a n x ir l y q u a n t r o n g d o i v o i c a n h t a c h o a k h i n u o i c a y d u d i an h sa n g L E D s o san h v d i d en h u y n h c u e t h u o n g p h a m X u ly a n h s a n g d a c b ie t c a n th ie t d o i v o i q u a n g d u o c s u d u n g r o n g rai tr o n g c a c p h o n g n u o i c a y m o G a n q u a t r in h n h a n g i o n g b a n g g i a m h o r n t r o n g c a c n h a u o m d a y , A S Z a k r z e w s k a v a F A P r a d ita ( 2 ) [7 ] d a t i e n h a n h P h u o n g p h a p x u ly a n h s a n g th u c m g d u o c s u d u n g la k e o d a n h g ia a n h h u d n g cu a m o t so p h o a n h sa n g L E D d e n k h a d a i th d i g i a n c h i e u s a n g t r o n g n g a y b a n g e a c h c h i e u s a n g b o n a n g re c u a n g o n g ia m h o a c u e g id n g ( C h ry sa n th e m u m x s u n g v b i b o n g d e n s o i d o t h a y c o m p a c t T u y n h ie n , n h ftn g g n d iflo ru m lo a i d e n n a y d e u c o n h u o c d i e m l a h a o t o n d i e n n a n g , d o b e n c h ie u s a n g c o ta c d o n g k h a c n h a u d e n s in h tr u d n g c u n g n h u th a p h o a c c h u a n h i e u t h a n h p h a n g a y h a i c h o m o i t r u d n g , k h a n a n g re c u a n g o n g ia m A n h s a n g L E D x a n h la m ( c h i p h i d u y tri c a o D o d o , c a c t h i e t b i c h i e u s a n g t i e n t i e n n m ) c o a n h h u d n g ld n n h a t d e n c h ie u c a o c u a n g o n g ia m , tr o n g n h u d e n L E D n o n g n h i e p v d i n h i e u u u d ie m : k i c h t h u d e k h i d ie u k ie n k e t h o p L E D d o v d i x a n h la m c h o c h i s o d ie p lu c nho t u o i t h o c a o , t i e t k i e m d i e n n a n g , b u d e s o n g x a c d in h va co t h e p h o i h o p v d i n h a u t h e o c a c t y l e k h a c t h e o n h u cau cua n g u d i s u d u n g d a n g d u o c q u a n t a m n g h i e n c u u , khao sat n h a m d u a v a o t h a y t h e c a c l o a i d e n t r u y e n t h o n g nhin soi dot ( k h o a n g 0 - 0 n m ) h a y c o m p a c t ( k h o a n g ?20-"30 nm) S P A D la c a o n M t v d i c h ie u d a i re la ld n n h a t V i e c k e t h o p a n h ire v s a n g L E D tr a n g v a x a n h la m c u n g c o ta c d o n g t ic h c u e d e n q u a tr in h r a re c u n g n h u s in h t r u d n g c u a c h o i [ ] , M a c d u v a y , a n h h u d n g c u a a n h s a n g L E D d e n c a c g ia i d o a n k h a c n h a u c u a q u y tr in h n h a n g id n g t h e o p h u o n g p h a p g ia m h o m c u n g n h u h ie u q u a s a n x u i t g id n g v a n c h u a d u o c n h o m t a c g ia d a n h g ia E ’ncr.l 'nonogam a h id va st, 2iV& W 64(12) 1220 22 R a m a t./K it a m ) K e t q u a c h o th a y , m o i d ie u k ie n 48 Khoa hoc Ndng nghiep I Trong trot V a t lieu va pluteng ph ap lighten cite Study on the application of LED lighting in seedling production of some chryanthemum varieties in Hanoi Thi Gam Do1*, Thi Huyen Hoang2, Tien Phat Do2, Bich Ngoc Pham2, Van Thao Nguyen1, Thi Lan Anh Phan1, Thi Thu Nguyen1, Thi Thu Linh Hoang', Thi Thao Dinh2, Thi Hong Ha Nguyen2, Thi Thu Hien Nguyen2, Hoang Ha Chu2, Hong Khoi Phan1 ‘C enter f o r H igh Technology' Development FAST in s titu te o f B iotechnology FAST Vat lieu C a c g i o n g h o a c u e c o n g u o n g o c tir b o s ir u t a m g i o n g h o a c u e d u g c lir u g i u ta i P h o n g C o n g n g h e t e b a o t h u c v a t , V i e n C o n g n g h e S in h h o c , V i e n H a n la m K H & C N V i e t N a m C a c g io n g h o a n g h ie n c u u b a o g o m : K im c u o n g , P h a le (h ttp :// in v itr o c s d l p r c o r g v n / ) v a F a r m C a y d u g c c h u y e n le n b a u tr o n g d a t g i a t h e v a ta p h u a n t h i c h n g h i v d i d i e u k i e n t u n h i e n tu a n tr u d e k h i c h u y e n s a n g g ia i d o a n n h a n g io n g c a p v u d n u a m th o n g q u a p h u a n g p h a p g ia m n g o n T h i n g h ie m d u g c t ie n h a n h ta i v itn g tr o n g h o a c u e c u a p h u d n g C o N h u e , q u a n B a c T u L ie m , T P H a N o i Phuong phap nghien cuu R e c e iv e d 2 A p r il 2 ; a c c e p te d M a y 2 P h u c m g p h a p c h a m s o c v a th u n g o n c u e g io n g : Abstract: C ay g i o n g s a u k h i h u a n l u y e n t h i c h n g h i d u g c t r o n g tr e n l u o n g Chrysanthemum is a high commercial value plant, which is accounted for a large proportion of the total export of cut flowers in Vietnam Therefore, the demand for seedling plants is very high As a short-day plant, chrysanthemum requires supplemental lighting during the 2*1 propagation stage in the autumn-winter period This study aimed to evaluate the applicability of energy-saving LED lights to replace traditional lights in the propagation of some chrysanthemum varieties in Hanoi The results show that the B3R7 660 nm LED (450 nm blue LED and 660 nm red LED combined in the ratio 7:3) was the most suitable for the 2ndpropagation process in the greenhouse of varieties (Pha le Chrysanthemum indicum yellow, Kim cuong C morifolium cv Kim Cuong and Farm C morifolium Hibiki) Plants grown under this LED light had a higher shoot multiplication efficiency than those under compact lamps (67.91, 18.47, and 26.89% respectively for Pha le, Kim cuong and Farm) Besides, the quality of seedlings is equivalent to chrysanthemums grown under compact lights The power saving efficiency when using LED light was approximate lower 55.21% compared to compact lamps Keywords: chrysanthemum breeding, Farm, Kim cuong, LED light, Pha le chrysanthemum, seedling production Classification number: 4.1 dat v d i k h oan g each ca y each ca y 15 c m S o lu g n g c a y m e / g i o n g c u c / c o n g t h u c t h i n g h i e m la 0 S a u k h i t r o n g n g a y , tie n h a n h b d m tia n g o n c h in h d e ta o d ie u k ie n c h o c h o i b e n p h a t tr ie n S a u k h i n g a t n g g n c h i n h n g a y , t i e n h a n h t h u c h o i b e n v a g i a m n g g n r a b a u g i a th e T h u c h i e n th u n g o n g i o n g la n s a u k h i n g a t c h o i c h i n h , m o i la n th u n g o n e a c h n h a u n g a y S a u m o i la n t h u n g o n , t i e n h a n h b o n t h u c v d i p h a n b o n N P K - - , l i e u l u g n g b o n la 0 k g / h a [ 8] N g h i e n c u u b o tr i th i n g h ie m /d ie u k ie n c h ie u s a n g /g io n g , d u g c tie n h a n h tu th a n g /2 d e n h e t th a n g / ta i T r a i t h u c n g h i e m s i n h h o c C o N h u e , V i e n H a n la m K H & C N V i e t N a m P h ircm g p h a p g ia m n g o n c a y h o a c u e : T ie n h a n h n g a t n g g n k h i c a c c h o i b e n c o k h o a n g - la , c h i e u d a i - c m S a u k h i n g a t n g o n t i e n h a n h b o n t h u c g i u a c a c la n n g a t d e c u n g c a p d in h d u d n g c h o c a y m e N g g n h o a c u e s a u k h i n g a t d u g c x u l y v d i c h e p h a m k i c h t h i c h r a r e N M (t h a n h phan: N 1 % , P 20 % , K 20 ,5 % , B , C u , Z n ) v a g i a m v a o b a u d a t B a u c a y c o n d u g c u a m t r o n g b o n g r a m k h o a n g - n g a y d e h a n c h e t h o a t h a i n u d e tr e n b e m a t la , k h i c a y c o n p h a t s in h r e m d i th i c h u y e n s a n g n u o i d u d i c a c d ie u k ie n c h ie u sa n g b o su n g d e n k h i c a y c o n d u tie u c h u a n c a y g i o n g x u a t v u d n [ ], D ie u k ie n x u ly c h ie u s a n g b o su n g : T ir n h u n g k e t q u a th u n h a n t r u d e d a y t r o n g q u a tr in h n h a n g i o n g t r o n g g i a i d o a n in v itro T i n h d e n th e n d i e m h i e n t a i , m a c d u d a c o n h id u n g h i e n c u u d a n h g ia a n h h u d n g c u a a n h sa n g L E D d d n h ie u q u a n h a n g io n g g ia i d o a n in v itro [9 ], ty le d e n L E D n d n g n g h ie p p h o i h g p L E D B R v a B R W ( h in h 1, b a n g ) d u g c lir a c h o n c h o g i a i d o a n n h a n g i o n g c a p t h e o p h u a n g p h a p g i a m n g o n P h o c h ie u d ir g e th ir c h i e n t r o n g n u d e v a s a n g c u a c h ip L E D d o t r o n g m a tr a n p h o i h g p c u n g d u g c k h a o t r e n t h e g i a i , n h ir n g n g h i e n c u u a n h h ir c m g c u a d e n L E D s a t d b u d e s o n g k h a c n h a u la v a 6 n m T h u c h ie n d e n q u a t r in h s a n x u a t g i o n g h o a c u e d g i a i d o a n v ircm ir a m , tir g i a i d o a n n h a n c h o i d e n g i a m h o r n v a n c h u a d u g c th ir c c h id u s a n g g i d / n g a y (tir g i d d d n g i d s a n g ) v d i c a c k ie u d e n L E D d u g c t h e h i e n n h u d h in h v a b a n g C a c d e n c h ie u s a n g d u g c m a c d o c th e o c h ie u d a i lu o n g d a t v d i k h o a n g e a c h h ie n D o d o , c h u n g to i th u c h ie n n g h ie n c u u n a y v d i m u c d ic h k h a o sa t a n h h u d n g c u a a n h s a n g L E D d e n h ie u q u a sa n tir m a t d a t d e n d e n d a t , m ; d e n e a c h d e n ,0 m C a c k ie u d e n L E D n d n g n g h ie p d u g c d a n v i p h o i h g p t h u c h ie n d e ta i x u a t c a y g io n g c u a m o t s o g io n g h o a c u e p h u c v u c h o san la c u a C o n g t y C o p h a n b o n g d e n B i e n Q u a n g s a n x u a t t h e o xu at h o a th u o n g pham y e u c a u th ie t k e c u a n h o m n g h ie n c u u TAP CHl KHOA HOC U gjyj 64(12) 12.2022 TONG NGHE V10 49 Khoa hoc Nong nghiep I Trong trot Ket qua va ban Ilian A n h h i tf f n g c u a d ie u k ie n c h ie u s a n g d e n h i e u q u a n h a n g io n g vo tin h c a y h o a c u e S a u k h i c a t t ia n g g n c a y g o c , c a y h o a c u e t i e p t u c p h a t s i n h c h o i b e n K e t q u a k h a o s a t c h o t h a y , s a u m o i la n t i e n h a n h th u n g g n , s o l u g n g c h o i m d i p h a t s i n h d e u t a n g -2 c h o i / c a y s o v a i th d i d i e m th u m a u t r u a c ( b a n g ) D a c b ie t , c a c d ie u k ie n d e n L E D n o n g n g h ie p d e u c h o t o n g s o c h o i ta o th a n h /c a y m e c a o h a n s o v d i d e n c o m p a c t (h in h A ) K e t q u a s a u la n t i e n h a n h n g a t n g g n c h o t h a y , h i e u q u a n h a n c h o i d g i o n g c u e P h a l e t o t n h a t la d d e n L E D B R 6 n m (E) ( t o n g s o c h o i t r u n g b in h th u n h a n d u g c l a l l , ± , / c a y m e ) K e t q u a th u n h a n d u g c c u n g tu c m g d u a n g v d i n h u n g c o n g b o tr u d e d a y v e u n g d u n g a n h s a n g L E D tr o n g n h a n t1 g io n g c a y h o a c u e in vitro N g h ie n c u u c u a N g u y e n B a N a m v a c s ( 2 ) [1 ] c h o th a y , d ie u k ie n c h ie u s a n g % L E D Hinh Hinh anh cac loai kieu den va song cua den sir dung thi nghiem (A) Den B1R5W1 630 nm; (B) Den B1R5W1 660 nm; (C) Den B3R7 630 nm; (D) Den B3R7 660 nm: (E) Den compact vang d o v d i % L E D x a n h la t y l e p h u h g p c h o sir ta i s i n h c h o i Bang Dac diem cac kieu den sir dung thi nghiem h e s o p h a t s i n h c h o i la ,2 [ ] , N h u v a y c o t h e t h a y , m a c tr u e t i e p tir m a u la v d i s o l u g n g c h o i / m a u tr u n g b in h d a t , K h a n a n g c a m u n g p h a t s in h c h o i c u a d e n L E D c u n g d u g c g h i n h a n tr e n h e t h o n g n u o i c a y l a p m o n g t e b a o ( T C L ) v d i d u d ie u k ie n , p h u a n g p h a p n u o i c a y k h a c n h a u , c a y h o a c u e Ky hieu den Dac diem Cong suat (W) Compact Anh sang compact vang (320-730 nm) 20 c o th e x u a t h ie n p h a n u n g t u a n g tu n h a u k h i c h iu s u an h h u d n g b d i d ie u k ie n c h ie u s a n g t u a n g d o n g LED xanh (450 nm), (630 nm) va trang B1R5W1 630 nm am (380-780 nm, 3500 K) phoi hop von theotyle 1:5:1 LED xanh (450 nm), (660 nm) va trang B1R5W1 660 nm am (380-780 nm, 3500 K) phoi hop vdi theotyle 1:5:1 B3R7 630 nm B3R7 660 nm Bang Anh hirdng cua dieu kien chieu sang d6n so lirg’ng choi tao thanh/cay me