Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 公仔箱論壇/ h% F8 o @# p; E
# M$ _ ~. ` u" J7 d! f4 kcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.0 f& v' a% x) K$ F
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How to identify Early Blighttvb now,tvbnow,bttvb; \. X% T4 q; Q1 L6 f. b& m
( {$ W4 u' {# ]: D) M; Q5.39.217.76Symptoms 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/ c/ M& |% _/ h; E3 N* P
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newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown
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1 D# G. h X7 v5 h* x0 din color and form concentric rings, or a tvb now,tvbnow,bttvb+ _6 M; u4 p. f9 ]2 W% r, _; I
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow,
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/ g+ v9 c& k' z6 U+ zleaves may fall off. Extensive loss 公仔箱論壇. L! K4 i3 z% i/ X$ O. V
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.5.39.217.76+ ^) r- f: j; t$ M- G# y
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4 v, c7 { h: |; {How to identify Septoria Leaf Spot
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0 o3 k0 W3 C- Y. ^5 q3 G* s5.39.217.76Symptoms of Septoria leaf spot also start
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on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change
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5 j" S7 B' w @0 qshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center.
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% @( z0 r/ ?3 v( K, j2 y8 B* ^( ztvb now,tvbnow,bttvbSmall dark spots, the fruiting bodies of the fungusTVBNOW 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! f0 J: l6 w0 A
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, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 5.39.217.76/ R; ~% Z6 a7 Z9 d) ?* j& d$ o) G
+ ` g* D- Q9 ]6 x6 BTVBNOW 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。and dead. Stems can also become infected but
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8 I- r- i% {6 _- z8 M: f8 E' [tvb now,tvbnow,bttvbinfection of fruit is rare.
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How to Prevent and Control Early Blight and 5.39.217.76: @! P' X+ \2 }* T
O: N* P1 F2 p0 kTVBNOW 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。Septoria Leaf Spot
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6 y3 A; b/ B$ y! r5 _4 CFollow the 12 easy steps below to enjoy a / W5 a5 S! R! F5 ~' m5 P' [* j( n
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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# J' n- ?: z8 e% B3 {. x& u5.39.217.76Weed your garden. Some weeds,
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1 H/ x7 k+ T$ O: F公仔箱論壇like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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9 A. C5 m3 `3 P1 kRotate crop locations. Don’t tvb now,tvbnow,bttvb3 D; D3 a5 Y, ] Y9 w
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plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas
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; W3 W; H7 b$ @4 Cwhere tomatoes were grown.$ ~; I% k; N0 |- g' h
' J h- H7 r: e8 E/ D5.39.217.76Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
( f/ J# k, z- h1 t9 I2 OCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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% D3 Q% u: I& a; r, m( gfungus from the soil to your 5.39.217.766 ?+ d4 s3 \" w0 I9 m4 L
6 l5 l; O) j& i/ J0 F公仔箱論壇plants.
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g9 [; G3 z7 M |5.39.217.76Stake or cage plants to keep them 5 E3 X# _) y9 L3 E6 e3 U# _
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off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and
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cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 1 c' W6 ?1 {# B8 [
/ X/ b" v. c7 D3 c3 p( U5.39.217.76space above the soil without any leaves. Do not use
) U0 X, @- D9 ~\" o! w公仔箱論壇tvb now,tvbnow,bttvb: |) W* T& r4 u
overhead watering. tvb now,tvbnow,bttvb/ Z. ^0 g$ \( g: Y1 h% m+ ~
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
& J* T( l' D% K" T5.39.217.76Consider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow
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: l- L9 V* m/ F& g/ g+ r7 Bfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 5.39.217.76; E' [! @* E5 B! k
7 q5 l5 B* i+ y! swet. Keep your plants happy and healthy. Weak and stressed
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plants are more susceptible to disease.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。0 t% {6 H3 T/ A4 w. P! {
2 |' ?3 c6 S6 S, i% M9 H( {6 jRemove and destroy or throw away diseased leaves, both off the
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/ j. ]9 K+ b: A c9 Ltvb now,tvbnow,bttvbplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early
1 b( B3 s" H( z+ P/ p2 ftvb now,tvbnow,bttvbtvb now,tvbnow,bttvb: Y: _/ o; I1 T; k
enough. If a plant is heavily infected
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, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 公仔箱論壇9 P& z& k! Q% u' p: L" A
" q+ l# b6 b. ^* x( G+ e( uto remove diseased leaves should be disinfected before being used on a different plant.
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Spray plants to prevent and control the 4 k% }; G\" o4 M I
1 S, Q, U: ^# |0 l( Wspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
" |% i" p3 }3 _( }* @" _tvb now,tvbnow,bttvb* C7 [# n: d( S8 E* }. g8 x
GreenCure.
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! M& ~0 c4 k& H% ~0 x2 iLate Blight on Tomato Plantstvb now,tvbnow,bttvb' R: o* X) g/ `1 G! x8 N4 a
! ~' M* L( `, G+ z2 y" qLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato
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plants in a garden. Once a tomato plant
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; E! o$ X: ~9 c0 {; y! Y5 Mis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small,
# h1 M5 ^8 K9 }+ ?( ]1 G6 ZTVBNOW 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- m# S! U# L1 l: c# V3 |/ l0 @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 blight公仔箱論壇8 e2 g* I\" z) o: q8 N- [8 K\" v
/ u% P- W u# a5 S5.39.217.76 can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and
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Septoria leaf spot infections will also help prevent late blight infections. |