標題: [生活小百科] Early Blight and Septoria Leaf Spot on Tomato Plants [打印本頁] 作者: 6t6t 時間: 2019-4-13 05:03 PM 標題: Early Blight and Septoria Leaf Spot on Tomato Plants
Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but # `# \: V( v* z6 F6 u. W" f
5.39.217.77:8898( s3 k' Q. L1 \$ r. n* ]0 x
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.5.39.217.77:8898/ G4 R: `2 w' u0 ^5 v1 b
* O5 [7 R0 x+ L. V' o k2 N1 C$ i. f5 h% F9 }' F5 Q$ N
How to identify Early Blight 0 u1 ~- a) G) d% d: r6 x# X& \# vtvb now,tvbnow,bttvb 9 R# N' r# `" E2 C# U/ ESymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 公仔箱論壇2 y* M& N7 b. |- }1 j: c* c
) y2 \8 d9 T$ C' |) Xnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown / E( c; ?8 N( o* }公仔箱論壇9 b7 N( c! g! y/ V7 D" b+ K
in color and form concentric rings, or a - M' F0 |$ f! J\" @+ m) r9 G
TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。5 z& e ~8 ]* z3 D' q6 y
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 4 V6 ` I3 E) B- x. s" R# TTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。 ?$ p. G! ^ h$ d- s! _TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。leaves may fall off. Extensive loss , y( S5 H2 a1 s/ oTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。 6 m' c+ _; y: Atvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. : X' {/ u s0 L5.39.217.77:8898) O) m0 a9 L) n1 ?; R1 ~
* X# Q2 T8 V9 f6 z, QTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。How to identify Septoria Leaf Spot U8 a& F y1 @9 ?; m
% ^4 A4 Y l/ V
Symptoms of Septoria leaf spot also start ! `+ L+ v" |6 t
2 ?3 S5 M7 y' e0 n+ B0 T! F- o' R
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。' ^( _8 [+ F O! S; k+ I
6 o$ U2 `, u! s( E' ?( F. y5.39.217.77:8898shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. . S% v9 b9 {2 K公仔箱論壇 * X' _& y5 p/ ]5 f- b0 q8 v& C5.39.217.77:8898Small dark spots, the fruiting bodies of the fungus公仔箱論壇( H) i+ C) c4 d\" H; ~
tvb now,tvbnow,bttvb4 M& |2 k* T- h1 k* R6 { , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 2 v0 t5 i8 z0 }) o/ y% A
- V; f2 c9 X4 }- c" B0 g% d) u5.39.217.77:8898and dead. Stems can also become infected but 公仔箱論壇9 ~\" z( L* F% ~. s6 }
$ E! U/ w9 e6 ]; w0 T
infection of fruit is rare. 3 b) k( K% M/ @* U# u6 E. L. Q5.39.217.77:8898 r* q2 r- t$ N! h2 w I& C
公仔箱論壇3 K4 J5 u$ g7 P) C4 X; i9 U& w! F
How to Prevent and Control Early Blight and $ W. P5 @1 a, D! \9 C公仔箱論壇TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。& e, d2 @\" Y, M2 w( r
Septoria Leaf Spot * N# L4 i3 E3 ^9 ?6 G ) }1 {' d5 u* p o0 C5 eFollow the 12 easy steps below to enjoy a ; H+ v& v. Q' K2 y\" m5.39.217.77:8898 0 I- V! Q0 o7 w# k& t/ ~& iTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. ; i+ j1 P9 Z: w: O8 s! ~TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。 6 W( m( |! |+ W+ d" _) s7 btvb now,tvbnow,bttvbWeed your garden. Some weeds, % w* a P& P6 P1 Gtvb now,tvbnow,bttvb5.39.217.77:88987 r6 Q! ?/ F- G1 ~
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. 1 k! ~7 U9 b3 F; a ^" A" X + i8 U3 ~, b# R4 k5 VRotate crop locations. Don’t - t. u! j( m9 V! h. \公仔箱論壇 3 P" a8 {$ g0 ^. RTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas / f6 m. F8 S3 D& N! btvb now,tvbnow,bttvb- X/ H0 A% R, B: [
where tomatoes were grown. & J/ S4 U! V- ~: h. s9 Z/ h * ~0 K4 |" f9 @. M {" R$ g2 CTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.公仔箱論壇! A: d* X: W8 n5 H2 b
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。, u( H& p# z4 m2 Z+ i; k! w
TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。) R/ O/ `% I6 p6 b, L* `
fungus from the soil to your $ }1 \0 R5 ~+ m7 Z- z5.39.217.77:88988 z; W# j% P' S0 p8 f
plants.tvb now,tvbnow,bttvb6 j7 l+ G4 p* _4 l; E& ^
公仔箱論壇; e1 B& ?5 A( T
Stake or cage plants to keep them % `0 q( e1 m S$ n/ |* d: \TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。/ S# J5 [: z5 t, c1 \* ]
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and ! p. c* H3 U! a+ Z' w5.39.217.77:88981 b: ` _7 T L, w0 |4 O
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 6 L' |3 \) Q" s3 J+ X- W5.39.217.77:8898 + n0 B7 `5 _, Z' U& U, N5 [# k公仔箱論壇space above the soil without any leaves. Do not use tvb now,tvbnow,bttvb7 r @$ Y4 n2 G- ~* }! m; z* g
5 i0 E9 l4 p C- F! t公仔箱論壇overhead watering. ) n8 u0 g, a7 m' |5.39.217.77:8898Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 0 Q% R7 p; x7 W4 g/ N6 ]) c8 d, s$ o2 h
Consider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow - t, G2 J% d' S, w公仔箱論壇 ) z/ L& Q) L0 h2 W0 Gfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are , v. F! ` A+ s1 Q- \5.39.217.77:8898 2 X, A1 e& f4 g( M' ^0 c Ewet. Keep your plants happy and healthy. Weak and stressed TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。2 o6 J1 g8 {! \( z t- Q3 W: A/ r9 R
5.39.217.77:8898/ R M& W P, i. R# c
plants are more susceptible to disease. 3 |8 w! B# J2 z9 ntvb now,tvbnow,bttvb ! z' `0 D! C3 I5 T: XRemove and destroy or throw away diseased leaves, both off the 3 h. d' e! o7 _9 @\" l
. Z# o6 _, Y! x/ dtvb now,tvbnow,bttvbplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early ' ~- v6 k, e2 @2 F( Z8 s3 n! v) J $ u$ {- V9 _- K6 {6 p# v2 w1 S5.39.217.77:8898enough. If a plant is heavily infected公仔箱論壇$ X2 u; Z; ~ J3 @5 j% {# V m
- Y. A/ x) V# U' i+ [ , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used ! I, e% m' U4 T( U9 b
' T! }% Q ~. F+ I
to remove diseased leaves should be disinfected before being used on a different plant.tvb now,tvbnow,bttvb" U9 ^9 Y/ S- P% B" `
tvb now,tvbnow,bttvb( g2 M0 D. x: @1 |
Spray plants to prevent and control the 3 ^6 S# O; f( i公仔箱論壇 6 p3 u& K* R4 y0 Z: L2 N' J3 V, zspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try # s! W/ K" g/ s/ n$ U1 |tvb now,tvbnow,bttvb5.39.217.77:8898, N, b* A5 z4 f4 \: ^, _
GreenCure. 5 q- T# P! f; X Y- W: z, B; }: ?1 {# R( e; i0 S" W* X- c
6 {0 G+ q+ Y9 n+ I& J0 e7 {TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato / V+ K" k! l% l3 E+ q
公仔箱論壇4 G! m/ ]) c" i. K% q6 U plants in a garden. Once a tomato plant + |2 c$ d! {0 y J5 @. T. o0 p8 Y3 v5 iTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。9 n: Q; L9 ^3 a1 C: p& L% M
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, # o' M4 X0 J5 t) R, J4 G
2 `8 M( S: e& J1 a& Y! {
water-soaked spots on leaves and stems that grow and turn dark brown or gray. A white downy growth may develop on the underside of infected leaves. Late blight5.39.217.77:88981 ]/ V) D* }( a H. P0 ^
TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。. f' X0 y0 T, i! G1 ?( { can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and % s1 O) E/ u U% ~5.39.217.77:8898 , o' ^, T: D8 RSeptoria leaf spot infections will also help prevent late blight infections.
