YOMEDIA
ADSENSE
bệnh hại cây trồng bài mở đầu
318
lượt xem 91
download
lượt xem 91
download
Download
Vui lòng tải xuống để xem tài liệu đầy đủ
Số liệu của FAO cho biết, hiện nay có lối 2/3 nhân loại đang trong tình trạng thiếu dinh dưỡng. Thế nhưng lương thực sản xuất được đã bị mất đi khoảng 20%
AMBIENT/
Chủ đề:
Bình luận(0) Đăng nhập để gửi bình luận!
Nội dung Text: bệnh hại cây trồng bài mở đầu
- ® ¹i ®¹i häc cÇn th¬ - khoa n«ng nghiÖp gi¸o tr×nh gi¶ng d¹y trùc tuyÕn ÄQJ 7S &¡Q 7K 7HO )D[ :HEVLWH KWWSZZZFWXHGXYQNQQ HPDLO GPLQK#FWXHGXYQ YWDQK#FWXHGXYQ Gi¸o tr×nh C¸c nguyªn lý vÒ bÖnh h¹i c©y trång Ch−¬ng 1 Më ®Çu Biªn so¹n bëi PGs. Ph¹m V¨n Kim Bé m«n B¶o VÖ Thùc VËt Khoa N«ng NghiÖp §¹i Häc CÇn Th¬
- &DÉF 1JX\½Q /\É Y½Ð %½ÕQK +DÕL &»\ 7U¾ÐQJ &KÀ¿QJ &+ml1* 0§¯ ¤£¸8 , 7$v& +$, &8t$ %j1+ &h< /j1 08s$ 0$s1* % QK F\ WUQJ ODP JLDP PF WKX KRDFK FXD PXD PDQJ 6 OL X FXD )$2 FKR EL W KL Q QD\ FR OL QKQ ORDL DQJ WURQJ WQK WUDQJ WKL X GLQK GQJ 7K QKQJ OQJ WKF VDQ [XW F D E PW L NKRDQJ KQJ QP GR FDF WDF QKQ QK FQ WUXQJ FXD FKLP FKXW FR GDL YD E QK WW J\ Q Q WURQJ R E QK FXD F\ WUQJ D ODP WKL W KDL NKRDQJ VDQ OQJ lt +RD N\ KQJ QP E WKL W PW NKRDQJ W OD GR E QK F\ ODP VXW JLDP VDQ OQJ 1F 9L W 1DP FKXQJ WD QP WURQJ YXQJ QKL W L QRQJ YD P FKR Q Q WKL W KDL GR E QK F\ WUQJ J\ UD FRQ WUP WURQJ KQ QKL X &R OH WKW WKX KQJ QP FRQ FDR KQ FRQ V WK YL VDQ OQJ OQJ WKF WUL X WQ V OL X QP WK FKXQJ WD D PW L KQ WUL X WQ i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
- &DÉF 1JX\½Q /\É Y½Ð %½ÕQK +DÕL &»\ 7U¾ÐQJ &KÀ¿QJ % QK WKDQ HQ KDW OXD P 7LOOHWLD OHZLV J\ WKL W KDL WUP WURQJ FKR YL F VDQ [XW OXD P +RD .\ WURQJ QKQJ QP 7KHR 1HOFKHUV UL QJ EDQJ .DQVDV PL QP D E WKW WKX YDR NKRDQJ WUL X OW OXD P 9DR QP GFK E QK P QX OD OXD +HOPLQWKRVSRULXP RU\]DH D J\ WKW WKX YD ODP FKR [ %HQJDO SKDL UL YDR QDQ RL WUP WURQJ % QK U OD FD SK +HPLOHLD YDVWDWUL[ D ODP JLDP QQJ VXW FD SK WUP WURQJ YD ODP JLDP Q OQJ FD SK [XW NKX FXD QF 6UL/DQND lt 9L W 1DP QP +HPLOHLD YDVWDWULV FXQJ WDQ SKD FDF YQ WUQJ FD SK DUDELFD YXQJ %DP 0 7KXW %DR /F 'L /LQK ODP FKR NKX YF Q\ FK FR WK WUQJ KDL ORDL FD SK NHP SKP FKW KQ OD UREXVWD YD H[FHOVD 7X\ Q WUXQJ 'LW\OHQFKXV DQJXVWXV J\ E QK WL P RW VQ WU Q OXD PXD GDL QJD\ YQ FRQ OD PL OR X FXD QJL QQJ GQ FDF KX\ Q QJRDL WKDQK 7KDQK 3K + &K 0LQK 9X OXD PXD QP UL QJ KX\ Q 7KX iF FR Q KD OXD PXD PF E QK WL P RW VQ WURQJ R FR KD F [HP OD PW WUQJ GR E QK J\ UD 'FK E QK OXQ [RQ OD OXD D EF SKDW EW QJ YD J\ WKL W KDL WUP WURQJ FKR YX OXD QJ [XQ WDL FDF WQK &Q 7K 6RF 7UQJ 9QK /RQJ 7UD 9LQK YD i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
- &DÉF 1JX\½Q /\É Y½Ð %½ÕQK +DÕL &»\ 7U¾ÐQJ &KÀ¿QJ % QK F\ FRQ OD QJX\ Q QKQ FXD V NKDQ KL P FDF ORDL QQJ VDQ WKHR PXD YX lvW WUQJ WURQJ PXD PD WKQJ E E QK WKL WUDL GR QP &ROOHWRWULFKXP FDSVLFXP % QK Q\ J\ WKL W KDL UW WUP WURQJ WURQJ PXD PD YD OD QJX\ Q QKQ FKQK KDQ FK YL F WUQJ W WURQJ PXD PD % QK F\ FRQ ODP QJ F FKR QJL YD JLD VXF 3KQ OQ PP E QK NKQJ F L YL QJL YD JLD VXF 7X\ QKL Q FXQJ FR PW V PP E QK FXD F\ FR WK J\ Q Q QJ F FKR JLD VXF KRF FD FKR QJL NKL Q SKDL 7K GX QK QP &ODYLFHS SXUSXUHD J\ E QK WU WUDL WU Q OXD P U\H h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ml& 6mt 1*$s1+ +2& %j1+ &h< 75k|1* &DF QKD NKDR F KRF D WP WK\ FDF PX QP N\ VLQK QP 3HURQRVSRULWHV DQWLTXDULXV WU Q FDF WKF YW F DL WURQJ FDF KRD WKDFK FXD WKL N\ 7KDFK 7KDQ 7 NKL ORDL QJL EW X EL W WUQJ WURW F\ WUQJ FXQJ D E QKL X ORDL YL VLQK YW N\ VLQK J\ KDL 7X\ QKL Q GR NL Q WKF FXD ORDL QJL WKL E\ JL FRQ KDQ KHS Q Q
- &DÉF 1JX\½Q /\É Y½Ð %½ÕQK +DÕL &»\ 7U¾ÐQJ &KÀ¿QJ PDL Q NKL [D KL ORDL QJL D KRDQ WKL Q KR PL \ Q KL Q WQJ E QK KRDQ FXD F\ WUQJ YD WP FDFK NKF SKXF 7URQJ V OL X F 'HPRFUDWH NKX\ Q QQJ GQ GXQJ GX OLX SKXQ O Q F\ KDQ FK V ODQ WUDQ FXD FDF E QK GR QP J\ UD lt 9L W 1DP FKXQJ WD / 4X iQ FR JKL QKQ Q FDF E QK WU Q OXD YD QJL QQJ GQ WKL \ D GXQJ WRL L SKR YL PW V E QK FXD F\ WUQJ .L Q WKF NKRD KRF FXD ORDL QJL FK PL SKDW WUL Q YDL WUP QP QD\ WKL Q Q V KL X EL W WQJ WQ Y E QK FXD F\ WUQJ FXQJ FK [XW KL Q JQ \ 9DR JLD WK N\ WK YL V SKDW PLQK UD NQK KL Q YL Q JLDQ YD V SKDW KL Q UD YL VLQK YW FXD $QWRQ\ 9RQ /HHXZHQKRHN NKRD YL VLQK YW EW X SKDW WUL Q QJ WKL FXQJ OL NHR WKHR VDX R V SKDW WUL Q FXD NKRD E QK F\ 3LHU $QWRQLR 0LFKHOL QKD WKF YW
- &DÉF 1JX\½Q /\É Y½Ð %½ÕQK +DÕL &»\ 7U¾ÐQJ &KÀ¿QJ 1P 7- %XUULOO QKD E QK F\ WUQJ +RD .\ OQ X WL Q EDR FDR E QK FKD\ OD F\ EP WDR W\ GR YL NKXQ J\ UD P X FKR YL F SKDW KL Q UD QKL X E QK GR YL NKXQ WL S VDX R 1P 'PLWULL ,YDQRSVNL QKD NKRD KRF 1JD FKQJ PLQK E QK NKDP FXD F\ WKXF OD F ODQ WUX\ Q EL FKW F VQJ WURQJ GFK WUFK W OD WKXF PF E QK &KW F VQJ Q\ TXD F ORF QF EQJ V [S WURQJ NKL YL NKXQ E JL ODL &XQJ WURQJ NKRDQJ WKL JLDQ R 0: %HLMHULQFN QKD YL VLQK YW KRF i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i Q QP 'RL YD FWY FKQJ PLQK E QK YDQJ OD FXD F\ DVWHU GR PW ORDL YL VLQK YW JLQJ QK P\FRSODVPD P\FRSODVPD OLNH RUJDQLVP J\ UD P X FKR YL F SKDW KL Q UD QKL X E QK YDQJ OD WU Q F\ WUQJ OD GR 0/2 YL VLQK YW JLQJ P\FRSODVPD 1JD\ QD\ YL SKQJ WL Q QJD\ FDQJ KL Q DL KQ FDF QJKL Q FX Y E QK F\ D FR PW EF WL Q GDL YD UW FKX\ Q VX ,,, ik, 7ml1* &8t$ 0k1 +2& %j1+ &h< 75k|1* 1JDQK KRF E QK F\ WUQJ KD\ FRQ JRL OD E QK O\ WKDR PF 3ODQW SDWKRORJ\ KRF SK\WRSDWKRORJ\ OD PW QJDQK WURQJ QJK WUQJ F\ 1JDQK KRF Q\ TXDQ WP Q E QK WUDQJ FXD F\ QJX\ Q QKQ J\ UD E QK FDF L X NL Q DQK KQJ O Q E QK V WKL W KDL GR E QK J\ UD YD FDF EL Q SKDS L SKR YL E QK i\ OD PW QJDQK KRF WQJ W QK QJDQK \ NKRD FXD FRQ QJL YD QJDQK WKX \ FXD YW QXL 1JDQK KRF E QK F\ WUQJ WKHR XL FDF PXF WL X VDX \
- &DÉF 1JX\½Q /\É Y½Ð %½ÕQK +DÕL &»\ 7U¾ÐQJ &KÀ¿QJ WP KL X FDF QJX\ Q QKQ J\ Q Q E QK FXD F\ WUQJ WP KL X F QJX\ Q J\ E QK FXD PP E QK WP KL X PL WQJ WDF TXD ODL JLD F\ YD PP E QK WP KL X DQK KQJ FXD PL WUQJ O Q PL WQJ WDF JLD F\ YD PP E QK WP FDF EL Q SKDS NKQJ FK E QK YD JLDP WKL X WKL W KDL GR E QK J\ UD 1JL ODP FQJ WDF E QK F\ WUQJ SKDL KL X EL W WQJ WQ EQ PXF WL X WU Q NKQJ SKDL FK WP FDFK WL X GL W PP E QK PD FRQ SKDL JLXS F\ FKQJ ODL V WQ FQJ FXD PP E QK YD WDR L X NL Q WL KDR FKR F\ SKDW WUL Q KX DW F QQJ VXW FDR 1JL ODP FQJ WDF E QK F\ SKDL OD QJL WKF GXQJ FK NKQJ SKDL FK QJKL Q FX WURQJ SKRQJ WK QJKL P iQJ UXQJ YD YQ F\ PL OD FKL Q WUQJ FKQK 3KDL OQ OQ YD F WUXL UHQ WU Q QJ UXQJ YD YQ F\ PL SKDW KX\ F WDL QQJ FXD PQK 1JL FK WURQJ SKRQJ JL\ YD SKRQJ WK QJKL P VH NKQJ WK WU WKDQK WKL Q WKX WURQJ QJK F &$v& 6$v&+ 7+$0 .+$t2 %RXUULTXHW 3K\WRSDWKRORJLH )LVFKHU *: &6 +ROWRQ %LRORJ\ DQG &RQWURO RI WKH 6PXW )XQJL *RYLQGDVZDP\ &9 01 $ODJLDQDJDOLQJDP 3ODQW 3DWKRORJ\ 3RSXODU %RRN 'HSRW S /DUJH (& 7KH $GYDQFH RI )XQJL 0DQQHUV -* 3ULQFLSOHV RI 3ODQW 3DWKRORJ\ &DPEULGJH 8QLYHUVLW\ 3UHVV S 5REHUWV '$ &: %RRWKUR\G )XQGDPHQWDOV RI 3ODQW3DWKRORJ\ :+ )UHHPDQ DQG FRPSDQ\ S 6LQJK 56 ,QWURGXFWLRQ WR 3ULQFLSOHV RI 3ODQW 3DWKRORJ\ 2[IRUG ,%3 3XEOLVKLQJ &R 397 /7' S
ADSENSE
CÓ THỂ BẠN MUỐN DOWNLOAD
Thêm tài liệu vào bộ sưu tập có sẵn:
Báo xấu
LAVA
AANETWORK
TRỢ GIÚP
HỖ TRỢ KHÁCH HÀNG
Chịu trách nhiệm nội dung:
Nguyễn Công Hà - Giám đốc Công ty TNHH TÀI LIỆU TRỰC TUYẾN VI NA
LIÊN HỆ
Địa chỉ: P402, 54A Nơ Trang Long, Phường 14, Q.Bình Thạnh, TP.HCM
Hotline: 093 303 0098
Email: support@tailieu.vn