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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7 n9 E; c, ~, B' S, M8 V公仔箱論壇can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.公仔箱論壇! \9 F+ D: |0 M- Q/ B4 H* b* V
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。3 v: }( R( S. D& d/ I7 B4 l/ Q0 W
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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 / @" [0 O+ j4 v& g9 ]8 h7 y
1 d. I3 @" y5 M2 Ctvb 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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. R6 f9 T; r; I# ^tvb now,tvbnow,bttvbin color and form concentric rings, or a tvb now,tvbnow,bttvb* T9 Q# {$ f, [1 \0 h
9 S1 ~, h' V& r2 v t( dTVBNOW 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, ) \: s; f, y4 O( i
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leaves may fall off. Extensive loss 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- _% a3 s' p& ~1 e" H( k F$ T
tvb now,tvbnow,bttvb' T1 z+ h4 Q5 ~9 ]7 n& \
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.8 n3 P# m( e0 p1 G
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5 O) t* C* p: A3 v; \6 Q; ^8 X5.39.217.77How to identify Septoria Leaf Spot5 L, b, U0 ?; L9 H
. B7 x Z9 Z z7 j) J8 ]公仔箱論壇Symptoms of Septoria leaf spot also start tvb now,tvbnow,bttvb" |4 L8 S3 E' P- D- O3 k
' T( m. y h0 p) h* [4 S% @" `; |tvb now,tvbnow,bttvbon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 公仔箱論壇* y% p' H) M& ]. z8 G
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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 fungus7 \. w. l3 |$ C7 _1 O) r) x
: I2 V0 Z$ E: | P. J7 }% T, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry
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and dead. Stems can also become infected but
8 |* s, X4 b% g; j, d% [6 J! A8 DTVBNOW 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。
\" v5 e p+ p4 S5 W: {7 @. |- 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。infection of fruit is rare.( D5 f" s) |. |, W$ i" i
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How to Prevent and Control Early Blight and 6 o- r5 z7 [8 C# x1 g5 D2 l- j
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Septoria Leaf Spot
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Follow the 12 easy steps below to enjoy a tvb now,tvbnow,bttvb2 m1 s4 M+ j, @& M
. J\" N/ _/ ~' {2 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。long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.5.39.217.77& T$ Q, L1 F8 C% @' r! t5 a4 |& i
, E% V4 q3 E( 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。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.
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, H$ g% E2 @3 s4 J! Q: ]7 D" O3 N5.39.217.77Rotate 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 tvb now,tvbnow,bttvb6 ]9 w7 K( `$ v6 c+ K& O' T) E! Z
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where tomatoes were grown.- f- c4 B1 V. B
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.5.39.217.776 j* V9 R+ G; W
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of tvb now,tvbnow,bttvb5 g2 p: ^/ k5 F4 g# D( s
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fungus from the soil to your 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。% `7 |' d+ N' s* f$ w, O T
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plants.tvb now,tvbnow,bttvb; f$ `, _/ T/ V! `+ x: [* X" x! H- J
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Stake or cage plants to keep them
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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
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/ f+ B/ d, ~/ x: i5 J" s* Etvb now,tvbnow,bttvbspace above the soil without any leaves. Do not use
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, r( b. Y; _; x& g; z6 p( z公仔箱論壇overhead watering. * F, j6 q$ z: t, z! G1 W& m
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
?. R) U9 Y' Q s! kConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow 5.39.217.77- _9 I' N9 K0 g) Z* O* c5 B* u
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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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% z# Q. X K/ J# ]% s% X公仔箱論壇wet. Keep your plants happy and healthy. Weak and stressed
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plants are more susceptible to disease.
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Remove and destroy or throw away diseased leaves, both off the
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% F, \; P- X& c2 U% a' \) J5 F1 m公仔箱論壇plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 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。. \3 @: g' ^; N& y7 E1 \6 C7 ^8 }
* g j. M" u. a' t3 Stvb now,tvbnow,bttvbenough. If a plant is heavily infected公仔箱論壇/ P/ @& B) ~* \8 _
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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
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- m: o/ @) W4 A0 {tvb now,tvbnow,bttvbto remove diseased leaves should be disinfected before being used on a different plant.公仔箱論壇* k# K- C9 y: Y C' h
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Spray plants to prevent and control the ; {6 V) S. z/ n' D# _! U
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。. n! N5 g9 d4 v( G
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 公仔箱論壇& C# o. u- ?/ ]9 }/ z! }
2 `/ a3 r9 m+ A5.39.217.77GreenCure.
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( a& b) T2 s* G' {& _Late Blight on Tomato Plants
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. d! |$ Q& |& ]7 H8 k7 V5.39.217.77Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 5.39.217.77' `5 Q6 E$ _5 ?4 t
/ \# g6 V0 J; \' b" Wplants in a garden. Once a tomato plant
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n% x1 e+ q$ O& I ]7 Ltvb now,tvbnow,bttvbis 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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\" o3 \% {6 C$ i7 F- aTVBNOW 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。 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。$ g5 T/ N1 c% G7 y4 d+ P7 w
5 h+ y \/ I, q7 a9 S' h5.39.217.77Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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