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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3 K5 R7 }* x1 d7 H! q iwww2.tvboxnow.comcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.
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- k& G! f2 k. a& ]1 y+ e$ s. 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。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
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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 . H* @9 g! ~& `7 E: [0 A# g3 \; Y
6 ]- I" \9 f& b+ Q+ f+ t$ S6 \in color and form concentric rings, or a
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, www2.tvboxnow.com& B: S5 d3 Q4 z. D* V2 ~4 q, W. C
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leaves may fall off. Extensive loss
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^0 Q: I( H9 s! 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。of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
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How to identify Septoria Leaf Spot
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! h$ t. k C0 k. C- A- P2 L公仔箱論壇Symptoms 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 . c. l! S$ u6 e& l- |: C
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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. 公仔箱論壇( \+ Y8 `7 I$ D8 }
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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 公仔箱論壇/ \& E, _9 n3 O
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and dead. Stems can also become infected but tvb now,tvbnow,bttvb1 Y* U5 {' d& A: P7 ]8 Q. g Q2 F
P2 e3 u. j2 x3 O( _tvb now,tvbnow,bttvbinfection of fruit is rare.
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( [; ~2 x( \( L- V4 [+ F公仔箱論壇How to Prevent and Control Early Blight and
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Septoria Leaf Spot
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- Z6 [0 C. @5 Y8 w( Q2 W, p+ ?, t公仔箱論壇Follow the 12 easy steps below to enjoy a + k4 a# ?: Z4 R! G# U
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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,
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$ Z0 r ?) Y- v3 E/ n+ B+ {6 Ztvb now,tvbnow,bttvblike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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Rotate crop locations. Don’t ; t+ S* z& G Q
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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 tvb now,tvbnow,bttvb" Q5 ~3 Y( L5 c8 I( D% ~' j
. m' n5 t! U% z. m# I; FTVBNOW 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。where tomatoes were grown.
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
" l; ~* ^% J+ j3 ^1 L! h" n# x公仔箱論壇Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 公仔箱論壇4 m& H- e4 N( p7 T0 k
4 j T# M5 f; m- w* ?, Atvb now,tvbnow,bttvbfungus from the soil to your 4 C8 w+ s+ a a0 Q3 p
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plants.公仔箱論壇* m h M- g5 T& G
% i, h$ i2 Q2 \Stake or cage plants to keep them www2.tvboxnow.com, O3 I4 Q9 F+ ]+ c( B( n3 y! F
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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 www2.tvboxnow.com7 c4 }6 M6 A/ E3 a3 a% R% {- Q
4 H6 Y1 u) _; e' m) ~8 Ecages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of
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space above the soil without any leaves. Do not use
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overhead watering.
% ]" T5 |! u+ oAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. www2.tvboxnow.com% G' i! K0 V9 t' a0 Y. f8 q6 [3 r
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
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7 Y- W1 [# q8 z) @. n' ~; B& b9 b9 Q: `tvb now,tvbnow,bttvbfungus 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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wet. Keep your plants happy and healthy. Weak and stressed + Z1 j6 f& A0 V1 B( b/ v B
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Remove and destroy or throw away diseased leaves, both off the 公仔箱論壇$ R* _. v8 d% }( P3 i/ D
! W$ @+ y# Y6 R$ atvb now,tvbnow,bttvbplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early
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enough. If a plant is heavily infected
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# I: _/ J O+ U5 Jtvb now,tvbnow,bttvb, 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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to remove diseased leaves should be disinfected before being used on a different plant.! i1 m. U' e7 j* N; r
& G( j* R: `& K9 QSpray plants to prevent and control the
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try tvb now,tvbnow,bttvb2 y' M5 Q9 D6 ?: B
( a6 _2 ?% l" m( R公仔箱論壇GreenCure.
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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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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, 公仔箱論壇0 C' U, j3 E9 g5 R; o
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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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/ ^! j- M( Q! E\" g' ltvb now,tvbnow,bttvb can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing 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。 I c7 Y g8 L, e
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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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