Thi nghiem 2 - Anh hudng cua so luqng goc ghep va bien phap phu liep den sinh trUdng va nang suat mUdp htfcmg CN428... Sinh triidng Chieu dai than chinh va ty so difcfng kinh goc/ diidng
Trang 1DEN SINH TRl/CfNG VA NANG SUAT MUCJP HUONG FI CN428
TAIHUYEN TAM BINH, TINH VINH LONG
To Thi Thanh Tuyen1, Vo Thi Bich Thuy1, Ng6 Thanh Huy1, Duong Nguyen Minh Tan1, Tang TrUdng Loi1, Tran Thi Ba1
TOM TAT
Nghien cdu dUOc tien hanh voti 2 thf nghiem tai huyen Tam Binh, tinh Vinh Long Thi nghiem 1 - Anh hudng cua cac giong mU6p dung lam goc ghep den sinh trUdng va nang suat giong mudp hUOng CN428 Thi nghiem dUdc bo tri theo khoi hoan toan ngau nhien vdi 4 lan lap gom 4 nghiem thdc la giong mUdp dung lam goc ghep: (1) Dai Loan 01, (2) Dai Loan 02, (3) Dia phUdng va (4) Khong ghep - Doi chilng Ket qua cho thay nang suat
thildng pham cao nhat b goc ghep Dai Loan 01 (11,0 tan/ha) va thap nhat la doi chiing - khong ghep (4,85 tan/ha) Thi nghiem 2 - Anh hudng cua so luqng goc ghep va bien phap phu liep den sinh trUdng va nang suat mUdp htfcmg CN428 Thi nghiem duqc bo tri theo kieu 16 chinh - 16 phu v6i 4 lan lap lai; 16 chinh la so lUqng goc (1) ghep
1 goc, (2) ghep 2 goc ghep, (3) ghep 3 goc va (4) khong ghep - doi chtfng; 16 phu la bien phap phu hep (1) mangphu
1 Khoa Nong nghiep, TrUdng Dai hoc Can Thcf
B
Trang 2Tap chi Khoa hoc va Cong nghe Nong nghiep Viet Nam - So 05(126)/2021
nong nghiep va (2) phu rdm Ket qua cho thay mdcfp hddng CN428 ghep 1 goc (ghep 1 goc chinh trong vddn ddm) cho nang suat thddng pham (7,78 tan/ha) cao hdn khong ghep (2,71 tan/ha); phu liep bang mang phu (5,72 tan/ha) cao hdn phu rdm (2,97 tan/ha) Trong mddp tai Tam Binh, Vinh Long co the sd dung 1 goc ghep Dai Loan 01 ket hop vdi phu liep bang mang phu
Tit khoa: Cay mddp, goc ghep, so lilpng goc ghep, bien phap phu liep
I DAT VAN DE
Huyen Tam Binh, tinh Vinh Long co dien tich
san xuat ho bau bi (Cucurbitacecae) rat ldn, trong
do m ddp CN428 dddc trong nhieu do nang suat cao,
de tieu thu Nhiing nhflng nam gan day, dien tich
canh tac giong m ddp CN428 giam dan do benh heo
ru gay bdi nam Fusarium oxysporum nen bo re sinh
trddng kem khi gap m da ldn, dac biet trong tren nen
dat lua (de bi ung nddc), mat khac tap quan nong
dan khong sd dung mang phu nen thiet hai Ion
den nang suat va hieu qua kinh te Theo Tran Thi
Ba va Vo Thi Bich Thuy (2016) thi trddng Dai hoc
Can Thd da co nghien ciiu rat nhieu ve cay rau khi
diia ca chua ghep, diia leo ghep, dtia hau ghep, kho
qua ghep vao thdc te san xuat Lpi dung goc ghep
(miidip) khoe manh hdn ngon ghep (mildp thddng
phlm ) nen cay ghep khong chi sinh trddng manh,
keo did thdi gian thu hoach ma con thich ting tot
vdi dieu kien moi tnldng bat lpi nhd ngap ung, kho
ham, nhiem mam hay phen (bien doi khi hau) Theo
Tran Van Toan va cong tac vien (2019), trong kho
qua TS247 ghep tren giong mtldp Dai Loan 01 vdi
so liipng 1 goc (ghep 1 goc chinh trong vtidn itOm)
va ghep 2 goc mtidp (1 goc chinh trong vxidn liOm va
ghep them 1 goc phu ngoai dong) cho nang suat cao
nhat cao hon khong ghep - doi chdng tii 22 - 24% Vo
Thi Bich Thuy va cong tac vien (2020), trong kho qua
ghep goc miidp Dai Loan 01 ket hpp phu liep mang
phu cho nang suat thiiOng pham cao hon 22 - 26%
so vdi khong ghep goc Sd dung mang phu nong
nghiep cho nang suat thiiong pham cao hon
30 - 50% so vdi phu rOm va khong phu tren dda leo,
cao hon 15 - 40% so vdi phu rom va 28 - 100% so
vdi khong phu tren dda hau (Tran Thi Ba, 2006)
Chinh vi vay, de tai nay dope thOc hien nham xac
<finh giong mOdp lam goc ghep, so ldpng goc ghep
va bien phap phu liep lam gia tang nang suat mddp
CK428 tai huyen Tam Binh, tinh VTnh Long
IL VAT LIEU VA HUONG PHAP NGHIEN CUU
2.1 Vi£ Heu nghien cdu
\3 t hen chinh Hat giong goc ghep la giong
■ tfdp Dai Loan 01 (VG-17-001) va Dai Loan 02
ifWG-17-002) q n h trUOng rat khoe, chuyen lam goc
duo ezr rau ho bau bi do cong ty Know-you
n i pihnt pfaoi va giong dia phoong la mddp hdOng
qua ngan co nguon goc td Viet Nam, dope nong dan trong va td de giong Hat giong ngon ghep la Mddp hdOng FI CN428 do cong ty Chanh Nong phan phoi dang dope trong pho bien tai huyen Tam Binh, tinh Vinh Long Mang phu nong nghiep mat tren mau xam bac va mat dddi mau den, kho rong 1,2 m 2.2 Phddng phap nghien cdu
2.2.1 Bo trt th i nghiem
Thi nghiem vdi dien tich 16 la 40 m2 vdi 4 lan lap lai
- Thi nghiem 1 Anh hddng cua cac giong m ddp dung lam goc ghep den sinh trddng va nang suat mddp hdOng CN428 (6 - 9/2020) Bo tri khoi hoan toan ngau nhien vdi 4 nghiem thde la cac giong
m ddp dung lam goc (1) Dai Loan 01, (2) Dai Loan
02, (3) dia phddng va (4) khong ghep - doi chdng
- Thi nghiem 2 Anh hddng cua so ldpng goc ghep m ddp va bien phap phu liep den sinh trddng va nang suat m ddp hddng CN428 (10/2020 - 1/2021)
Lo chinh la so lddng goc ghep (1) ghep 1 goc - trong vddn ddm, (2) ghep 2 goc ghep - trong vddn ddm
va ngoai dong, (3) ghep 3 goc -1 goc trong vddn ddm va 2 g6c ngdai dong va (4) khong ghep - doi chdng; 16 phu la bien phap phu liep (1) mang phu
va (2) phu rdm
2.2.2 PhUdngphdp ghep
- Chuan bi cay ghep: Gieo ngon ghep ddpc 15-16
ngay va goc ghep ddpc 1 3 -1 4 ngay (gieo ngon ghep trddc goc ghep 2 ngay) co the tien hanh ghep
- Ky thuat ghep goc chinh trong vddn ddm: Sd dung phddng phap ghep noi ong cao su theo Tran Thi Ba va Vo Thi Bich Thuy (2016) Mddp lam goc ghep khoang 15 ngay va ngon ghep 17 ngay tuoi tien hanh ghep dddc trinh bay nhd hinh 1
- Ghep them 1 - 2 goc phu ngoai dong: Sau khi trong 1 0 - 1 5 ngay tien hanh ghep, chieu dai than khoang 1,2 m thi tien hanh ghep ap cay goc phu vao cay mddp da ghep goc chinh (Hinh 2), gd kep khi vet ghep hoan toan lien lac khoang 2 tuan sau khi ghep M ddp sau khi ghep dddc 12 ngay trong ra dong vdi mat do 10.000 cay/ha Cay mddp ghep goc phu ngoai dong dddc trong bo sung canh cay ghep, each cay ghep 25 cm
Trang 3Hinh 1 Cay miidp ghep 1 goc miidp chinh
Ghi chit: (a) Goc va ngon mtfdp chuan bighep, (b) Cat bo ngon cua goc ghep, (c) Cat bo goc cua ngon ghep va art niia ong cao su vao vet cat, (d) An nita ong cao su cdn lai vao vet cat cua goc ghep, (e) Cay ghep hoan chinh.
Hinh 2 Cay miicfp ghep them 1 -2 goc phu
Ghi chu: (a) Dot cua cay mUdp lam ngon ghep (trdi) va lam gdcphu (phai) chuan bi ghep; (b) Vat hinh chQ V dot cua cay goc phu, (c) Cat doc dtidngkinh than cay mUdp da ghep goc chtnh, (d) Vi tri ghep goc phu, ngon cuacaydaghep goc chinh (trdi) va ngon cua cay goc ghep phu sau khi cat (phai), (e) Dat ngongocphu vdo than cay (da ghep goc chtnh), dungkep co dinh vet ghep, (f) Vet ghep goc phu hoan chinh.
Trong cay: Cay sau khi ghep difOc 12 ngay trong
ra dong vdi mat do 10.000 cay/ha Cay miidfp ghep
goc phu ngoai dong diicfc trong bo sung canh cay
ghep, each cay ghep 25 cm
2.2.3 Chi tieu theo doi vaphtidngphap x ii ly so lieu
So lieu diiOc thu thap nhii sinh triidng, thanh
phan nang suat, nang suat So lieu sau khi thu thap
diicrc xif ly thong ke bang phan mem SPSS 22.0
2.3 Thhi gian va dia diem nghien ciiu
Nghien ciiu diioc thiic hien tii thang 6 nam 2020
den 01 nam 2021 tai xa Ngai Td, huyen Tam Binh,
tinh Vinh Long
HI KET QUA VA THAO LUAN
3.1 A nh hiidng cua cac giong miidp dung lam g6c
ghep den sinh triiofng va nang suat miicfp hiiofng
CN428
3.1.1 Sinh triidng
Chieu dai than chinh va ty so difcfng kinh goc/
diidng kinh ngon cay miicfp hiiong CN428 6 cac
giong miicfp dung lam goc ghep tai thdi diem
87 ngay sau khi trong khac biet co y nghia qua phan tich thong ke
Chieu dai than chinh cua cay miicfp CN428 ghep tren goc Dai Loan 01 (271 cm), dai hefn so vdfi khong ghep (235 cm) Ket qua nay diicfc tim thay trong nghien ciiu cua Le Thanh Duy va cong tac vien (2018) va Le Thi Bao Chau va cong tac vien (2019) khi ghep diia le tren cay ho bau bi co chieu dai day dai hefn so vdfi doi chilng - khong ghep
Ty so diicfng kinh goc/diicfng kinh ngon cay miicfp CN428 ghep tren goc miicfp Dai Loan 02 (1,28) va Dia phiicfng (1,30) lefn hefn goc ghep miicfp Dai Loan 01 (1,11) va doi chiing khong ghep (1,00) Theo Pham Van Con (2013), ty so nay bang 1,00 khi
do cay ghep sinh triidng, phat trien binh thiidng do kha nang sinh triidfng cua ngon ghep va goc ghep tiidng diicfng nhau Shivani va cong tac vien (2015) cho rang gida goc va ngon ghep chi khi co sii tiidng thich tot se tao nen liu the ve kha nang chong chiu benh cua goc ghep, dong thdi giup cay ghep cho nang suat cao
Trang 4Tap chiKhoa hoc va Cong nghe Nong nghiep Viet Nam - So 05(126)72021
Bang 1 Chieu dai than chinh va ty so diidng kinh
goc/ngon miidp 6 cac giong miidp dung lam goc ghep
miidp CN428 tai thdi diem 87 ngay sau khi trong
Goc ghep
Chieu dai than chinh (cm)
Ty s6 diidng kinh goc/diidng kinh ngon
Mite y nghia
Ghi chu: Trong ciing 1 cot, cac so co chit cai theo sau
giong nhau thi khdc biet khong y nghia qua phan tick
thongke; ** va *: khdc biet coy nghia l% va 5%.
3.1.2 Thanh phan na n g su a tva nangsudt
Khoi hieing trung binh qua miidp d cac giong
m ddp lam goc ghep va khong ghep khac biet khong
co y nghia qua phan tich thong ke (Bang 2) Dieu
nay cho thay viec trong miidp CN428 ghep hay
khong ghep deu khong anh hiidng den khoi liidng
tnm g binh qua Ket qua nay cung diidc tim thay
trong nghien cdu cua Tran Van Toan va cong tac
vien (2019) va Vo Thi Bich Thuy va cong tac vien
(2020) trong kho qua ghep hay khong ghep goc miidp deu khong lam thay doi khoi ltipng trung binh qua kho qua
So qua tren cay miidp CN428 is cac giong miidp
lam goc ghep khac biet co y nghia qua phan tich thong ke (Bang 2) So qua tren cay miidp ghep giong Dai Loan 01 (11,1 qua/cay) nhieu hon doi chdng (7,44 qua/cay) Dieu nay co the khi ghep goc miidp Dai Loan 01 phu hop vdi ngon mildp so qua nhieu hdn so vdi khong ghep
Khoi ldpng qua tren cay cua miidp CN428 d cac giong miidp lam goc ghep khac biet co y nghia qua phan tich thong ke Goc miidp Dai Loan 01 (2,25 kg/ cay) cao hon goc miidp dia phxiong (1,69 kg/cay) va thap nhat la doi chdng (1,53 qua/cay
Nang suat tong qua miidp d cac giong miidp lam goc ghep khac biet co y nghia qua phan tich thong
ke (Bang 2) Goc mddp Dai loan 01 (11,0 tan/ha) cao hon Dai loan 02 (9,25 tan/ha) va dia phdong (5,92 tan/ha) thap nhat doi chdng (4,85 tan/ha) Ket qua nay phu hop vdi so qua tren cay, khoi ldpng qua tren cay m ddp la goc ghep Dai Loan 01 nhieu hon doi chdng vdi khoi ldpng trung binh qua miidp tdOng diiong nhau gida ghep va khong ghep goc nen nang suat tong qua miidp CN428 cao
Bang 2 Thanh phan nang suat va nang suat miidp ghep miidp
Gdcghep Khoi liidng
qua (g/qua)
O pt •>
So qua (qua/cay)
Khoi liidng qua/cay (kg/cay)
NS tong (tan/ha)
NS thiidng pham (tan/ha)
Tyle (%)
NS thiidng pham/tong
Ghi chu: Trong cung 1 cot, cac so co chit theo sau giong nhau thi khdc biet khdngy nghia thong ke; ** va *: khdc biet coy nghia 1%, 5%; ns: khdc biet khdngy nghia NS: nangsuat.
TiiOng tp nang suat tong thi nang suat thiiong
pham qua mddp CN428 d cac giong mddp lam goc
ghep khac biet co y nghia qua phan tich thong ke
CBaog2) Goc ghep miidp Dai Loan 01, Dai Loan 02
Dia phiiong cho nang suat thiiong pham lan loot
va 5,47 tan/ha, tiiOng diiOng 141, 90 va
2 A cao bon khoog ghep (4,40 tan/ha) Ket qua nay
d m g 4 a x tim thay trong nghien cdu cua Tran Van
Toan va cong tac vien (2019) va Vo Thi Bich Thuy va cong tac vien (2020) khi ghep goc miidp Dai Loan 01 deu cho nang suat kho qua ghep cao hdn 22 - 26%
so vdi khong ghep, va deu cao hdn cac giong mddp khac dung lam goc ghep Nhii vay goc miidp Dai Loan 01 dddc ke thda nghien cdu tiep thi nghiem ve
so ldpng goc mddp va bien phap phu liep
Trang 53.2 A nh hfldng cua s6 lfldng goc ghep mfldp va
bien phap ph u liep den sinh trfldng va nang suat
mtfdp hfldng CN428
3.2.1 Sinh trtidng
Chieu dai than chinh co sit tfldng tac gifla so
lflcfng g6c ghep mfldp va bien phap phu liep den
chieu dai than chinh mfldp CN428 (Bang 3) Ve so
Ifldng goc ghep, ghep 1 goc cho chieu dai (268 cm)
dai nhat, dai hdn doi chflng khong ghep (254 cm),
thap nhat ghep 3 goc - 1 goc trong vfldn lidm va
2 goc ngoai dong (153 cm) Ve bien phap phu liep
mang phu cho chieu dai than chinh (222 cm) dai
hem phu rdm (213 cm) Ket qua nay tUdng tfl vdi
nghien cflu cua Tran Thi Ba (2005) cho rang khi phu
hep bang mang phu thi chieu dai than chinh diia leo/
dfla hau deu dai hdn khong phu liep 1,23 lan
Bang 3 Chieu dai than chinh va ty so dfldng kinh
goc ghep/ngon ghep cua cay mflcfp
Nhan to
Chieu dai than chinh (cm)
Ty so dfldng kinh goc ghep/ngon ghep
Goc ghep
(A)
Bien phdp
phu liep (B)
Ghi chu: Trong ciing 1 cot, cac so co chvt theo sau giong
nhau thi khac biet khongy nghia qua phan tich thong ke,
khac biet co y nghia 1 %; ns: khac biet khongy nghia.
Ty so dfldng kinh goc/dfldng kinh ngon khong
co sii tiidng tac gida so liidng goc ghep miidp va
bien phap phu hep, dao dong tii 1,00 - 1,11 (Bang 3)
Theo Pham Van Con (2013) khi ty so nay bang 1 thi
cay ghep sinh triidng, phat trien binh thdcfng do the
sinh triidng cua ngon ghep va goc ghep tiidng diidng
nhau Shivani va cpng tac vien (2015) cung cho rang
gifla goc va ngon ghep can co sii tiidng thich tdt de
giup cay ghep cho nang suat cao Nhii vay, miidp
ghep co kha nang thich ilng tot, ket qua cua ca thi
nghiem deu co khuynh hiidng vdi ty so diidng kinh
goc/diidng kinh ngon
3.2.2 Thanh phan nangsudt
Bang 4 cho thay khong co tiidng tac gifla so liidng goc ghep va bien phap phu liep ve thanh phan nang suat
Khoi lfldng trung binh qua miidp khac biet y nghia qua phan tich thong ke ve s6 liidng goc ghep, Ghep 1 goc trong vfldn fldm (290 g/qua) cao hdn ghep 2 g6c, khong ghep - doi chflng (250 g/qua) va thap nhat la ghep 3 goc (210 g/qua) Dieu nay dfldc giai thich ghep 1 goc giup qua hap thu dinh diidng tot hdn, qua ldn nhanh hdn, tuy nhien ghep 3 goc b| anh hiidng bdi benh kham (tac nhan ngoai canh) nen anh hiidng den khoi lfldng trung binh qua Ve bien phap phu liep thi khoi lfldng trung binh qua
mfldp co hay khong co phu liep bang mang phu
nong nghiep khac biet khong y nghia qua phan tich thong ke
So qua mfldp/cay khac biet co y nghia qua phan tich thong ke ve so lfldng goc ghep va bien phap phu hep Ve so lfldng goc ghep mfldp thi ghep 1 goc (105 qua/cay) cao hdn ghep 2 goc (90,6 qua/cay), ghep 3 goc (74,4 qua/cay) va thap nhat la khong ghep dung lam doi chflng (64,1 qua/cay) Dieu nay dfldc giai thich tfldng tfl nhfl thi nghiem 1 ghep goc mfldp gop phan gia tang so qua/cay so vdi khong ghep Ve bien phap phu liep, thi phu liep cho so qua (102 qua/ cay) cao hdn khong phu liep (98,9 qua/cay)
Bang 4 Thanh phan nang su£t mfldp CN428
d so lfldng goc ghep va bien phap phu liep
Nhan to
Khoi lfldng qua (g/qua)
S6 qua (qua/
cay)
Khoi lfldng qua/cay (kg/cay)
Goc ghep Ghep 2 goc 260b 74,4C l,27c
Khong ghep 250b 90,6b l,57b
Bien phdp Mang phu 260 102a 1,81*
phu liep
CV(%) 7,32 9,43 14,9 Ghi chu: Trong cung 1 cot, cac so co chQ theo sau giong nhau thi khac biet khong y nghia thong ke; ** va *: Idnk biet coy nghia l% va 5%; ns: khde biet khongy ngfno.
Trang 6Tap chfKhoa hoc va Cong nghe Nong nghiep Viet Nam - So 05(126)/2021
Tvicing td vdi so qua/cay thi khoi lddng qua
mddp/cay khac biet co y nghia qua phan ti'ch thong
ke ve so lddng goc ghep va bien phap phu liep Ve so
lddng goc ghep, ghep 1 goc (2,27 kg/cay) cao hon
ghep 2 goc (1,27 kg/cay), doi chdng (1,57 kg/cay) va
thap nhat la ghep 3 goc (1,18 kg/cay) Ve bien phap
phu hep thi phu liep (1,81 kg/cay) cao hcfn khong
phu (1,25 kg/cay) Ket qua nay dddc giai thich tviong
tvi nhvl thi nghiem 1 goc ghep trong vddn liOm cho
khoi lddng qua m dbp tren cay cao hdn khong ghep
bien phap phu liep cung dddc giai thich nhvi so qua/
cay miidip
3.2.3 Nang suat thiidng pham
Bang 5 Nang suat thiiong pham cua mdbp
b cac goc ghep mddp va bien phap phu liep
Bien phap phu
Mang phu
Khong phu
Trung binh (B)
F (A)**; F (BN*; F (A*B)**; CV (%) =14,2
Ghi chu: Trong cung 1 cot, cac so co chit theo sau giong
nhau thi khac biet khongy nghia qua phan tich thong ke;
**: khdc biet co y nghia 1 %.
Nang suat thiidng pham cua m ddp CN428 co sd
tvidng tac giiia 2 nhan to so lvidng goc ghep va bien
phap phu liep (Bang 5) To hdp ghep 1 goc + mang
phu cho nang suat cao nhat (10,7 tan/ha), cao hdn
98% so vdi khong ghep + mang phu (5,38 tln/ha)
va thap nhat to hdp khong ghep + khong phu
(2,70 tan/ha) va ghep 2 goc + khong phu (2,71 tan/ha)
Dieu nay cho thay, ghep 1 goc mddp trong widn
ddm cho nang suat thiidng pham cao hdn ghep
2 goc va ghep 3 goc Dieu nay la do canh tac dieu
kien td nhien ngoai dong ruong trong vung chuyen
canh dda bau bi mddp, ap ldc con trung chich hut
cao (bp tri va ray phan trang) nen hau het cay trong
thi nghiem deu bi benh kham Chinh vi the, khi
gbep them 1 goc phu (cat bo dot cay ghep goc phu
ip vao cay ghep goc chinh da ghep trong vdbn ddm)
£ tao dieu kien thuan ldi cho sd gia tang benh kham
cho ghep 2 goc, va cay ghep 3 goc bi benh kham cang
o in g hdn nen cho nang suat thddng pham thap
nihil Tvidng td, bien phap phu hep cao hdn khong
phu tddng dddng 114% va ket qua nay phu hdp vcfi nghien cdu cua Tran Thi Ba (2005), trong dda hau co svi dung mang phu cho nang suat cao hdn khong phu hep 2,02 - 2,34 lan tuy theo mua vu va vung trong khac nhau N hd vay, to hdp ghep 1 goc mddp (trong vddn ddm rat de thdc hien, kiem soat tot benh kham) ket hdp vdi phu hep bang mang phu gia tang nang suat m ddp CN428
IV KET LUAN VA DE NGHI
M ddp CN428 ghep goc m ddp Dai Loan 01 (VG-17-001), ghep 1 goc trong vddn ddm ket hdp phu mang phu cho nang suat thddng pham cao nhat (10,6 tan/ha), cao hdn khong ghep 1,8 lan Canh tac mddp phu mang phu giup tang nang suat tang gap 1,14 lan Trong mddp CN428 ghep goc Dai Loan 01 tai huyen Tam Binh, Vinh Long co the nghien cdu them trong dieu kien moi trddng dat bat ldi nhd
benh do nam Fusarium oxysporum va ngap ung de
khai thac het tiem nang cua goc ghep chuyen
tAi l i e u t h a m k h a o
Tran Thi Ba, 2005 Anh hudng cua mang phu den tieu
moi triidng, bu lach (Thrips palmi Karny), ray mem (Aphis gossypii Glover) syt sinh trUdng va phdm chat cua dvia leo, dua hau d Dong Bang Song Ciiu Long
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qua san xudt rau dong bang song Ciiu Long bang ky thuat ghep goc Nha xuat ban Dai hoc Can Hid.
Le Thi Bao Chau, Nguyen Thi Bich Nhung v i Tran Thi
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ho bau bi dda Tap chi Nong nghiep vd Phat trien
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NXB Nong nghiep Ha Noi
Le Thanh Duy, 2018 Anh hudng cua do tuoi ngon dua le
Kim Co NUdng (Cucumis melon L.) vd goc ghep bdu
bi diia den nang suat vd chat liidng trdi Luan van
cao hoc nganh Khoa hoc cay trong Trddng Dai hoc Can Thd
Vo Thi Bich Thuy, Huynh Thi Anh Thd, Chau Thi Huynh Nhd, Nguyin Cao Viet Thang, Pham Trong Thdc, Vo Trddng Vu va Tran Thi Ba, 2020 Anh hddng cua goc ghep mddp va mat do trong den sinh trddng va nang suat cua mddp tai Vinh Long
Tap chi Khoa hoc Cong nghe Ndng nghiep Viet Nam,
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Tran Van Toan, Vo Thi Bich Thuy, Nguyen Thi Cam Hang, Nguyen Phu Quy, Lam Hoang Nhd, Le Thi
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mUdp TS 247 tai huyen Chau Thanh, tinh Soc Trang
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Shivani, R., K Perdeep, S Parveen, S Amar and S.K Upadhyay, 2015 Evaluation of different rootstocks for bacterial wilt tolerance in bell pepper
[Capsicum annuum (L.) var grossum (Sendt.)]
under protectedconditions Himachal Journal of
Agricultural Research, 41(1): 100-103.
Effect of luffa rootstock and mulching on growth and fruit yield
of long luffa CN428 in Tam Binh district, Vinh Long province
To Thi Thanh Tuyen, Vo Thi Bich Thuy, Ngo Thanh Huy, Duong Nguyen Minh Tan, Tang Truong Loi, Tran Thi Ba Abstract
The study was carried out with 2 experiments in Tam Binh district, Vinh Long province Experiment 1 - Effect
of luffa varieties used as rootstocks on growth and fruit yield of long luffa CN428 The experiment was arranged
in completely randomized block design with 4 replications and 4 treatments, including: (1) Taiwan variety 01, (2) Taiwan variety 02, (3) local long fruit and (4) and control (non grafted) Results showed that the highest yield (11,0 tons/ha) was recorded at Taiwan variety 01 and the lowest yield at the control variety (non-grafting variety 4,85 tons/ha) Experiment 2 - Effect of number of rootstocks and mulching on growth and fruit yield of grafted long luffa CN428 The experiment was arranged in two factorial split-plots with 4 replications; main plot included the number of rootstocks: (1) single root grafting, (2) double root grafting, (3) triple root grafting and (4) control (non grafting); Sub-plot was mulching types including silvery-gray plastics and rice straw The results showed that the marketable yield (7.78 tons/ha) of the single root grafting long luffa CN428 (grafted with 1 main root in the nursery) was higher than non-grafting (2.71 tons/ha); the yield of long luffa variety CN428 when mulching by plastics (5.72 tons/ha) was higher than that of mulching by straw (2.97 tons/ha) It is suggested that planting long luffa variety CN428 in Tam Binh district, Vinh Long province should use Taiwan luffa rootstock 01 combined with mulching by plastics
Keywords: Luffa, rootstock, number of rootstocks, mulching types
Ngay nhan bai: 31/3/2021
Ngay phan bien: 18/5/2021
Ngtibi phan bien: GS.TS Tran Khac Thi Ngay duyet dang: 04/6/2021