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- s3 n( Z4 h& x
/ V) {( n! O2 s t" jcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.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。/ D& d9 r) r3 O I
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a7 j q1 y) B9 `" T# w7 nwww1.tvboxnow.comHow to identify Early Blight
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7 ^5 c- }/ {, Rwww1.tvboxnow.comSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to
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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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in color and form concentric rings, or a www1.tvboxnow.com: o) r( t+ f: r% Z, d
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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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0 l5 J( f3 A1 B! g) q- e公仔箱論壇of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
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/ _* C2 Y5 i$ Q% B; t5 k9 aHow to identify Septoria Leaf SpotTVBNOW 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 i' ]- X: J0 O% D: j6 A2 A! U
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Symptoms of Septoria leaf spot also start tvb now,tvbnow,bttvb3 H$ {6 p6 _$ K4 D# ?
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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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shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 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。; D+ t% ?% F6 l! ?- H
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Small dark spots, the fruiting bodies of the fungus; B/ u* z: e: g F
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, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry www1.tvboxnow.com3 P8 G: a% m# o0 M+ H6 b& p
, g/ b8 C( b, z8 v公仔箱論壇and dead. Stems can also become infected but
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6 f4 p* {2 w4 ]www1.tvboxnow.cominfection of fruit is rare.www1.tvboxnow.com; `/ Z" i# @ B2 n" p
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m% C# s! b# n7 o Z4 cwww1.tvboxnow.comHow to Prevent and Control Early Blight and
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Septoria Leaf SpotTVBNOW 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 u; e: Y7 l% m" X$ C: ]
* p& r; q" Z' G# a E# @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。Follow the 12 easy steps below to enjoy a
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8 L6 W' _7 \$ s. }4 Vlong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.www1.tvboxnow.com$ k8 N, c7 j: X; |& [) i
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Weed your garden. Some weeds,
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.) z3 ?' d D/ m0 f# [& \* W
$ p1 N+ M2 c$ F: s" [" P# S5 }www1.tvboxnow.comRotate crop locations. Don’t www1.tvboxnow.com5 p3 \! Z1 m1 x9 @6 L
+ B5 l: G0 d. 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。plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas * Z3 ?6 m- v( @: q; p& a
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where tomatoes were grown.
* P" L7 S8 H+ }0 Z; U公仔箱論壇
. B# j3 ~8 ?' Ptvb now,tvbnow,bttvbGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.! ?- E( d- B& q6 v8 \- O/ s
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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fungus from the soil to your tvb now,tvbnow,bttvb) j7 b9 J! h2 T" D
' w5 z7 F# J9 ]8 _2 Qtvb now,tvbnow,bttvbplants.7 m% o0 Y2 t K- P( b
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Stake or cage plants to keep them www1.tvboxnow.com; E9 g, U) s3 Q6 L7 [! c0 {
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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 + r2 z6 @; x# @+ O. H& P
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space above the soil without any leaves. Do not use . J `2 C: ~% ?! q6 X# b8 k5 ]6 Z
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overhead watering.
5 @; r1 o+ ^: m6 m: Bwww1.tvboxnow.comAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
" s7 J+ p/ |2 l7 {4 O' J4 LConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow ; f. U5 E! X+ n K
6 h; L/ f: x6 `9 `# LTVBNOW 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。fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are
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5 w" A$ J. Q r公仔箱論壇wet. Keep your plants happy and healthy. Weak and stressed tvb now,tvbnow,bttvb% E# X, a* r6 ?: }: | u
, }9 J# V\" r; J\" i% U* iplants are more susceptible to disease.
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Remove and destroy or throw away diseased leaves, both off the
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% L8 L' ^3 t3 t; i4 e& t& {0 u% 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。plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early
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3 s: C& d0 m; Pwww1.tvboxnow.comenough. 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 www1.tvboxnow.com$ E4 O% [% r) d+ c
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to remove diseased leaves should be disinfected before being used on a different plant.. ?+ [9 o4 T L0 _" C
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Spray plants to prevent and control the www1.tvboxnow.com2 r' S h0 L8 r* ~( C1 F
- E( L* e; T4 `4 S& ], ETVBNOW 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。spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
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1 ?% o7 M% e8 C6 a$ r! d公仔箱論壇GreenCure., q6 N5 I5 N( h( ?& Y
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Late Blight on Tomato Plants
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato
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: Q5 {& v' F3 T& O& T9 cplants in a garden. Once a tomato plant 公仔箱論壇9 i% F" m3 y' D$ m+ x! O2 O( R
% j E3 a) z2 n) Z# f* B1 H$ j4 T; xis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small,
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( E: Q( k, S! _* Twater-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' [$ w1 H1 p7 M( C e3 o
7 F. ~+ _, @( C4 D4 e can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and
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h, i r; `# Hwww1.tvboxnow.comSeptoria leaf spot infections will also help prevent late blight infections. |