Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but
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: {) `' Q( a5 ]' |can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.tvb now,tvbnow,bttvb0 z/ r4 U: v/ V3 M1 Y
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, w- r( K3 V; T, S4 L2 u6 X1 L公仔箱論壇How to identify Early BlightTVBNOW 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。- f9 t0 G; p9 ?
' ^- |4 y1 W& h公仔箱論壇Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to
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( F: `. ] q$ u3 N* Ztvb now,tvbnow,bttvbnewer 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 + B( W\" U a! U# v0 ?% O
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, www.tvboxnow.com; L1 y1 a# ?% t
% ]! A2 h0 i: ]* F( P: l+ e5 H7 R公仔箱論壇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.0 A# _8 w) L: Y( `$ e. _
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" j+ y& C- ]# S4 S$ M; Stvb now,tvbnow,bttvbHow to identify Septoria Leaf Spot
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' v' Z, |0 K' t2 @ F9 dwww.tvboxnow.comSymptoms of Septoria leaf spot also start 6 b: J7 c! _3 m# b% g
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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 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。! L4 y0 @1 G% g* V
) s. a0 G$ ^0 `/ fshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. tvb now,tvbnow,bttvb; }2 o" n6 Q+ h: H5 l8 Z3 l8 L
2 S$ A+ z) p+ g0 m3 w公仔箱論壇Small dark spots, the fruiting bodies of the fungus
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, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry
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7 s* F9 ^: @& u Y9 }* _- Jand dead. Stems can also become infected but www.tvboxnow.com0 ^\" m; o. m& d. Z3 |5 M
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infection of fruit is rare.
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How to Prevent and Control Early Blight and
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! L2 a9 M\" d0 X5 i c. fSeptoria Leaf Spot公仔箱論壇3 b$ b$ [/ ?6 n" Q3 T
& |5 ~7 h% ]$ I- L& ^Follow the 12 easy steps below to enjoy a
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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Weed your garden. Some weeds, www.tvboxnow.com8 M7 y- t- Y1 g* V
公仔箱論壇! F: `, l. `# h4 x# @ ^
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.+ y( j% n" T$ m
1 g* ]( w$ T4 z1 y5 `) k公仔箱論壇Rotate crop locations. Don’t
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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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, @+ m) L, {2 I2 S" P1 w4 `) uwhere tomatoes were grown./ x3 m% M0 c. x
2 y1 D1 w3 T. Q; b& |Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
5 a8 [8 ?7 p' e- F" VCover 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。+ G' r c& j6 ^! `
3 i9 {% m, Z( w! H0 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。fungus from the soil to your
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plants.tvb now,tvbnow,bttvb* F; _# H1 g @2 O% i
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Stake or cage plants to keep them tvb now,tvbnow,bttvb' T/ \- n4 h. a. J
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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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, ?' V* Z5 W$ i0 P& \www.tvboxnow.comcages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of www.tvboxnow.com- x& F3 ]2 o0 k, V: T; R
- ^4 W5 v/ r1 D0 M# v8 gTVBNOW 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。space above the soil without any leaves. Do not use
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overhead watering.
$ s+ i( h% G9 q2 QAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
! \' ^6 o3 n3 Q A6 H6 s. E3 twww.tvboxnow.comConsider 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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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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1 t6 x) I4 S7 U; j) f6 c7 X T公仔箱論壇wet. Keep your plants happy and healthy. Weak and stressed
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. C- A6 [ l) M4 a\" q0 GTVBNOW 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。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。$ J- A( k; S6 N% R2 e+ ?# @
公仔箱論壇* a1 z+ V2 X1 D) Y2 e
Remove and destroy or throw away diseased leaves, both off the & t2 @ b# _' X6 R
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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 Q- ^- X3 ~www.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 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 j6 K, z" g9 q2 @' J6 q; V% G
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to 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。% C8 w7 B& J. R: ?+ r5 [8 ^5 w# i8 d; K
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Spray plants to prevent and control the 8 I1 L9 Q5 m* z& b
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 公仔箱論壇( @8 j4 w4 N Q) V/ ]
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8 K" v) ?: i( O1 lwww.tvboxnow.comLate Blight on Tomato Plants, n8 x7 S3 B( E8 f
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato % o; D. l* i: z' H+ @! ]
, T# a* C" I- s7 |9 UTVBNOW 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。plants in a garden. Once a tomato plant * A$ K9 `3 u; g0 S% t! _, l& j% X
. Z" z8 w! X" h7 c- r/ b& }3 wwww.tvboxnow.comis 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 blightTVBNOW 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% N; B) c9 w
: Q! b6 ~( \$ |4 D$ _9 @0 L: ktvb now,tvbnow,bttvb 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. |
發表於 2019-4-13 05:03 PM
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