KHOA HQC - CONG NGHE
KET QUA THir NGHIEM THUOC KICH THICH SINH
^'TRirdNG RIC 10WP TREN C A Y CA PHE
Ths Nguyin Huy Phdt va CS
\ ,. Chi cue B VTV tinh DdkLdk 1. MO DAU
Trong mdy nam gan day cdy ca phe trdn dia ban DakLak ndi rieng vd cd phd trong vung Tdy nguyen ndi chung xay ra Men tugng vang la, rung qua khd phd bidn lam thiet hai ddn nang sudt vd sdn lugng cd phe ed khi ldn ddn 30-40%). Hien tugng vang la rung qua ca phd la he qua tdng hgp cua nhidu nguydn nhdn gay ra, nhung ddu lam cho hu re, thdi rd, bd rd khdng phat trien duge tii dd cay khdng hiit duge nude, dinh dudng nudi than la, chum qua, lam cho la vang, qua rung... The Men rd nhat cua hien tugng nay la vao khodng thang 7-8 va giai doan cudi miia mua, dau mua khd. Khdc phuc hien tugng nay ngodi vide tim ra nguydn nhdn gay benh (ed the la tuydn tning, cdn tning hai rd hoac ndm benh) dd phdng tni thi vide phuc hdi bd re la vd cung quan trgng. Xudt phat tu tinh binh thuc td chdm sdc cdy cd phe tren dia ban tinh, Chi cue bao vd thue vat tidn banh thii nghiem "Thudc kich thich sinh trudng RIC lOWP trdn cay ca phd tai DdkLdk".
2. VAT LIEU, NOI DUNG VA PHUONG PHAP NGHIEN ClTU.
2.1. Vat lieu nghien cuu: Ca phd Robusta trdng nam thii 13; thuoc kich thich sinh trudng RIC 1OWP; phan bdn cac loai vd 1 sd loai thudc bao vd thuc vat sinh bgc.
2.2. Noi dung, dia diem va phuofng phap nghien cuu:
2.2.1 Dia didm:
Md hinh thu nghidm dugc bd tri tai 2 huydn trdng ca phe trgng didm ciia tinh la Krdng pak va Krdng Nang.
2.2.2 Ndi dung nghidn ciiu:
- Nghidn ciiu kha ndng ra re vd phat tridn cap la ciia cay ed phd.
- Khd nang phuc hdi vang la trong vudn ca phd.
- Ty Id ddu trai va rung qua trong eac thdi ky sinh trudng vd phat tridn ciia cay cd phd.
- Danh gia hieu qua khi sii dung thudc RIC 1 OWP.
2.2.3. Phuang phap nghidn ciiu.
Bd tri thi nghidm: Thi nghidm duge bd tri trdn dien rdng tai 2 vung sinh thai khac nhau, mdi vung mot Id thi nghidm dugc bd tri 2 cdng thiic.
+ Ld 1 (ddi chiing): 500 m^ canh tdc theo tap quan ndng dan, khdng xu ly thudc RIC 1 OWP.
-H Ld 2 (d thii nghidm): 5 00 m^ canh tac theo tap qudn ndng dan, cd xii ly thudc RIC 1 OWP.
3. KET QUA NGHIEN Ctru.
Trdn cac didm thii nghidm chiing tdi tidn banh theo ddi kdt qua dugc ddnh gia cu thd nhu sau.
3.1. Trong luong re to"
KHOA HQC - CONG NGHE
Bang 1: Trong luong re to" tai hai
^~~~~~---~.„_^^ Cong thii-c
Dia diim ^ ^ ~ ^ ^ ^ ^ ^
mo hinh thir nghiem.
Trong luong re (gr/khung)
TXL 90 ngay Tang ./
Krdng Pak.(l)
6 xu ly thudc RIC lOWP D/C (khdngxii ly)
375.67 363.13
402.73 373.53
27.07 10.40 Krdng Ndng. (2)
Oxiily thudc RICIOWP D/C (khdng xu ly)
374.67 378.20
405.53 392.53
30.87 14.33 Nhdn xet: Trgng lugng rd trdn hai md hinh thu nghidm ddu tang so vdi ddi chiing.
3.2.T6cdoralam6i.
Kdt qud d cdc md hinh duge trinh bdy tai bang 2.
Bang 2: Toe do ra la moi.
\ Cong
\ thuc D i a \
diem \ TN \ Krdng Pak
Oxuly thudc RICIOWP
D/C (khdngxu
ly)
^ , ,
Toe do ra la mdi TXL
30 ngay Sd cap
la mdi
Sd cap
la Tang
60 n Sd cap La mdi
gay Sd cap
la tang
90 ngay Sd cap
la mdi
Sd cap
la tang
120 ngdy Sd
cap La mdi
Sd cap
la tang
150 ngdy Sd
cap la mdi
Sd cap
la tang md hinh 1)
8.95
9.03 9.68
9.33
0.73
0.30
10.53
9.63
1.58
0.60
11.25
10.02
2.30
1.00
11.82
10.42
2.88
1.40
12.22
11.12
3.28
2.10 Krdng Ndng (md Mnh 2)
Oxiily thudc RICIOWP
D/C (khdng xii
ly)
9.25
8.75
10.05
9.33
0.80
0.57
10.65
9.68
1.40
0.93
11.65
10.1
2.40
1.35
12.05
10.65
2.80
1.90
12.15
10.9
2.90
2.15
Nhdn xet: Tai didm thi nghiem xu ly thudc RICIOWP sau 30, 60, 90,120,150 ngdy sd cap la mdi bidn dgng ddu tang ban so vdi d ddi chiing.
3.3. Ty le cay hi vang la va la vang qua cac ky dieu tra:
Kdt qua dugc thd Men qua bdng 3.
BAN TIN THONG TIN KH&CN SO 03/2010
29)
KHOA HQC - CONG NGHE
Bang 3: Ty le cay bi vang la, Ty le la vang
\ Cong
\ thuc D i a \
diem \
Ty le cay bi vang la, Ty le la vang sau bon phan (%)'
TXL
%
cay % l a
30 ngdy
%
cdy % l a
60 ngay
%
cdy % l a
90 ngay
%
cay % l a
120 ngdy
%
cdy % l a
150 ngdy
%
cay %la Krdng Pak (md hinh 1)
0 xiily thudc RICIOWP
D/C (khdng xu
ly)
25.49
27.45
25.96
25.89 23.53
25.49 21.69
27.45 19.61
25.49
19.88
24.30
17.65
23.53
16.43
22.89 15.69
21.57
15.93
22.18
13.73
21.57
10.71
21.48 Krdng Ndng (md hinh 2)
O x i i l y RICIOWP
D/C (khdng xu
ly)
37.25 41.18
27.75 26.63
29.41 37.25
20.55 29.59
27.45 35.29
17.57 27.72
21.57 33.33
14.21 26.90
17.65 31.37
13.70 24.73
21.57 29.41
12.11 24.42
Nhan xet:
- Xu ly thudc RIC 1 OWP tai cac md hinh cho thdy ty Id cdy bi vang va ty Id Id vdng giam so vdi d doi chiing khdng xii ly.
3.4. Ty le dau hoa, dau trai.
Bang 4: Ty le dau hoa d cac mo hinh
"~~~~^^^ Cong thic Dia diem ^ " ^ ^ ^ ^
So hoa dmh hinh ban dau (thang 1)
So hoa dinh hinh
(thang 2)
Ty le dau hoa '(%')
Krdng Pak (md hinh 1) O x i i l y RICIOWP D/C (khdng xii ly)
3.019 3.011
2.495 2.325
82.6 72.2 Krdng Nang (md hinh 2)
O x u l y RICIOWP D/C (khdng xii ly)
2.992 3.021
. 2.237 2.147
74.7 70.9
Nhan xet: Tai cdc md hinh xu ly thudc RIC 10 WP ty Id nd hoa tap trung, ty Id nd hoa d d ddi chiing phdn bd khdng ddu, ra hoa rdi rac sau cac dgt tudi.
3.5. Ty le qua kho, rung qua.
KHOA HOC - CONG NGHE
Bang 5: Ty le qua kho, rung qua tai eac mo hinh.
^ ^ ^ Cong thue TN
Dia dilm TN ^ ^ ^ ^ - . . ^
Ty le khd, rung qua (%)*
Thang 7 Thang 8 Thang 9
TB 3 thang
O x i i l y thudc RICIOWP D/C (khdngxii ly)
9,18
9,01
13,85 14,73
15,76 22.68
12.93 15.47
O x i i l y thuoc RICIOWP D/C (khdng xii ly)
7,90 8.92
12,85 14,66
17,02 21,13
12.59 14.90 Nhdn xet: Tai cac d xu ly thudc RIC 1 OWP ty Id rung qua thdp ban, ty Id rung qua d d ddi chiing.
3.6. Danh gia tae dong ciia thudc RIC lOWPtheo timg thoi diem sinh truong eua cay.
Sau bdn 3, 7 ngay chua thay bidu Men vd dnh hudng eiia thudc ddn sinh trudng cdy ea phe, sau 60 ngay bidu hien eua cdy kha rd. Nhu vay tac dgng ciia thudc RIC lOWP so vdi cdng thiic ddi chiing cd su khac biet rd ret vd sinh trudng qua eac thdi ky..
3.7. Nang suat thuc thu cua eae mo hinh thu nghiem.
Bang 7: Nang suat thuc thu tai mo hinh.
^ ^ ^ — ^ ^ ^ _ _ _ ^ Cong thuc TN Dia diem TN ^ ^ ~ ^ ^ ^ ^
Nang suat qua tuoi (tdn/ha)
Nang suat nhan kho (tdn/ha)
ICrdng Pak (md hinh 1 6 xu ly thuoc RIC lOWP D/C (khdng xii ly)
17,39 15,40
3,99 3,50 Krdng Nang (md binh 2)
6 xu ly thuoc RIC lOWP D/C (khdng xii ly)
17,84 15,31
4,13
3,48
Nhdn xet: Ndng sudt ea phd d d ddi chiing khdng xu ly thudc thdp ban ban so vdi d thi nghidm cd xii ly thuoc.
3.8. Hieu qua kinh te. (Kdt qua duge thd hien d bdng 8)
BAN TIN THONG TIN KH&CN SO 03/2010
3t
KHOA HOC - CONG NGHE
Bang 8: Hoach toan chi tiet cho mo hinh thir nghiem.
^"•"•~--^..,,^^__^ Dia diem thu ngMem
Ndi dung thu, chi md h i i m ^ ^ - . ^ I. Tdng chi
1. Tudi nude 2. Phan bdn
3. Thudc bao ve thue vat + KTST 4. Cdng lao ddng phd thdng II. Thuc thu
III. Can ddi (Id, lai) Chenh lech
(md hinh va ddi chiing)
Krdng Pak (md hinh 1) 0 xu ly thudc
RICIOWP 47,440,000
6,000,000 13,540,000
6,900,000 21,000,000 99,750,000 52,310,000
D/C (khdng xu ly)
49,340,000 6,000,000 13,540,000
8,800,000 21,000,000 87,500,000 38,160,000 14,150,000d
Krdng Nang (md hinh 2) O xu ly thudc
RICIOWP 53,100,000 4,500,000 18,400,000
5,700,000 24,500,000 103,250,000
50,150,000
D/C (khdngxii ly)
53,800,000 4,500,000 18,400,000
6,400,000 24,500,000 87,000,000 33,200,000 16,950,000d
Nhan xet: Qua bang tren cho thay tat ca cac md hinh cd xii ly thudc RIC 1 OWP ddu cho lgi nhuan cao hem ban so vdi ddi chiing, dac biet md hinh tai huyen Krdng Nang mang lai bidu qua kinh td cao nhdt chenh lech so vdi ddi chiing la: 16,950,000 trieu ddng/ha, d Krdng Pak la: 14,150,000 trieu ddng/ha.
4. KET LUAN.
- Tac dung ciia thudc kich tMch sinh trudng RIC 1 OWP giiip cho cay sinh trudng, phat tridn tdt, tang khd ndng tai tao re mdi, tdc do ra la mdi, phdn canh cap manh.
- Ty Id cdy bi vdng va ty Id la vang, ty Id khd rung qua giam so vdi d ddi chiing khdng su dung thudc.
- Vd ndng suat ca phd va Meu qua kinh te giiia cac md hinh xu ly thudc RIC 1 OWP cao hem ban so vdi cdc cdng thiic ddi chiing lam theo tap quan ndng dan.
- Cac cdng thiic tM nghidm xu ly thudc RIC 1 OWP khdng gdy ngd ddc ddi vdi cdy cd phd.
Thudc kich thich ra re RIC lOTMVP
(Anh: ST)
Vudn cdphe
(Anh: ST)