Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but tvb now,tvbnow,bttvb Y8 c- D, r7 w" J8 m8 g( V: _
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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.
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- t" u, Y4 z, }" P9 ]$ vTVBNOW 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 Early Blight
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Symptoms 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 @) a* F) k; `% q7 h+ j, a7 J! t
6 N0 j* K) U: b5 A g$ h2 k0 Z5.39.217.76newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 公仔箱論壇' f- X. N: x' ?7 y( r
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in color and form concentric rings, or a
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2 B6 M7 R\" ]! o: M2 l( B7 e) }. D5 F% jTVBNOW 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。bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow,
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leaves may fall off. Extensive loss
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
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1 S5 o9 ]2 S+ H" ]1 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
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. M, a+ l6 N$ P$ Q1 K2 Ytvb now,tvbnow,bttvbSymptoms of Septoria leaf spot also start " M, y; r$ H, o1 b
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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 6 B! d0 F9 j, P, L9 D! {. B
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shape 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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Small dark spots, the fruiting bodies of the fungus5.39.217.76' o' F0 e3 [5 ~7 q\" _! a
6 v: {: c' p7 o& T, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 公仔箱論壇. Y8 _0 v9 b3 H+ J- _& [! _
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and dead. Stems can also become infected but ( Q\" ]- H, N5 p* D2 g o1 W
7 Z: _8 C1 |7 t0 }2 f( Z5.39.217.76infection of fruit is rare.公仔箱論壇; ` e9 H5 S% e! D F- ^
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How to Prevent and Control Early Blight and 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 D. [: A# c. V0 B
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Septoria Leaf Spot
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' V d' _$ J. y1 Q5.39.217.76Follow the 12 easy steps below to enjoy a 5 W# @$ a: i9 z* F
- G4 i7 D0 X# C# `4 \% Vlong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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Weed your garden. Some weeds, 5 ~* g1 C3 `" g/ P" [) Y
0 a* U: G, k8 n7 C: l. Y( o( J5.39.217.76like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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8 D& _( F( N8 _$ K1 f Mtvb now,tvbnow,bttvbRotate crop locations. Don’t 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。- K' v4 A! x; Q( Z- w s
6 x5 h$ ?" b9 m公仔箱論壇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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o s: \" `! l5.39.217.76where tomatoes were grown.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。1 P9 |& N: U( j' _4 R
* ~6 |" l3 \7 q8 z& X" A$ y& P1 vGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.& e2 t4 |9 n, d
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 3 \5 I( E: h0 d0 U
tvb now,tvbnow,bttvb6 q8 M4 w# Q% h
fungus from the soil to your 公仔箱論壇& J) H- ]7 T/ h
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plants.
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Stake or cage plants to keep them
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7 a. M0 s+ j- w$ w% D公仔箱論壇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 5.39.217.764 Q. C$ ^ h& r( w
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space above the soil without any leaves. Do not use 0 w; [# p4 w% d, d8 t
4 w! w/ |( ?, q\" {) E1 U5.39.217.76overhead watering. : P* U# c+ e2 d
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 5.39.217.763 i9 B3 U$ l! f( x8 J
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 : {0 H# ?) ~8 b) l& }3 W" V( O- I
! o/ }4 Z) j1 H% d$ Gtvb now,tvbnow,bttvbfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 9 n& V4 U* m3 s8 ~+ C7 l
0 W4 a# n: w; S' [wet. Keep your plants happy and healthy. Weak and stressed
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plants are more susceptible to disease.3 R& [( l3 F1 S( F2 _5 b
9 a0 q5 d$ C9 S% r9 nTVBNOW 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。Remove and destroy or throw away diseased leaves, both off the
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early
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5 Y$ c5 _5 Y6 a: \6 Wtvb now,tvbnow,bttvbenough. If a plant is heavily infected
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. p1 o0 ^: l% D$ J0 e, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used
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7 W1 [" f W* U5.39.217.76to remove diseased leaves should be disinfected before being used on a different plant.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。" A$ `' n+ i! P5 c C4 ]1 }
3 f. Z3 Y% i) W5 i% @Spray plants to prevent and control the tvb now,tvbnow,bttvb4 g9 k) r( \' B6 G! b$ a
# Y1 ]# ]+ Y# s6 f. Cspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try ! t* c$ P* A7 l& s
* d4 X. d" k% O6 A1 k9 E5.39.217.76GreenCure.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 p4 R5 ?" {1 v* {! b; a' o9 O
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# E4 H3 P- M* v; I# R& W5 A# y* E+ d公仔箱論壇Late Blight on Tomato Plants公仔箱論壇2 P9 ?/ I4 m" k6 u3 z* Q7 I
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 6 J7 b* P% V5 P
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plants in a garden. Once a tomato plant
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small,
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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
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can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 8 X$ E3 x3 n+ _8 {2 G$ T1 C
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Septoria leaf spot infections will also help prevent late blight infections. |