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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# K6 u1 G$ v5 `+ N, O公仔箱論壇can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.
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How to identify Early Blight公仔箱論壇: }0 h& e6 M6 v% p5 O& i4 o
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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 tvb now,tvbnow,bttvb4 k/ s+ X; }- E9 B
. S' t& T6 g2 X2 b; R- u' OTVBNOW 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。newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown tvb now,tvbnow,bttvb$ z: l# Q7 e# Z! a
3 j* Q) i8 b8 V8 ^3 u: g/ ^) [7 }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。in color and form concentric rings, or a
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0 k$ {- h/ D8 E\" R8 \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。bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow,
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% E6 ? ~" H' R6 r9 Zleaves 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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How to identify Septoria Leaf Spot9 ]2 V6 N$ _. z& B
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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 4 h# N' ]- c- n1 m9 o
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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. " ^/ u0 n- y' K1 Q
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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 * L2 u& i& m1 ^0 v. |3 Y
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and dead. Stems can also become infected but
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3 l/ l8 J: y* C- K2 v* zinfection of fruit is rare.) I9 r: H, ?* l$ |4 [7 a
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How to Prevent and Control Early Blight and tvb now,tvbnow,bttvb5 D5 X/ ?& [) `& r5 t, b
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。& Q# }5 I. U. d k' \
Septoria Leaf Spot
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Follow the 12 easy steps below to enjoy a 公仔箱論壇8 n0 o( a. L$ r! z0 A' L; y, C
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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. S4 ~2 B2 h. h9 jWeed 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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6 z/ a% D/ L7 }0 i2 ^# k$ l公仔箱論壇Rotate crop locations. Don’t tvb now,tvbnow,bttvb, Q! ~/ h( o4 `* E B4 u9 ^, A! \( Q6 M
7 o: l4 ~( Q6 L B2 _" D0 gtvb now,tvbnow,bttvbplant 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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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.tvb now,tvbnow,bttvb0 Q+ m% D: ~& c/ a. @2 X& H
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 www2.tvboxnow.com6 y& u$ O6 x' F# n
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( w# O: ~/ U9 x: X公仔箱論壇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 7 o3 H$ J- R! j E+ O
6 p; p1 W" v( ~ u2 [( ucages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 公仔箱論壇# M# A; [$ n J
0 W+ G- f. ]' Z" i+ c! sTVBNOW 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 公仔箱論壇6 i, K0 O& @1 t
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overhead watering. # a3 K' S# v2 J3 l g7 O' a& R
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. ) X6 e( Q% k3 O3 d* c% O
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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9 j/ J! J$ i6 D1 `) v( o7 B) u/ H) Kfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are www2.tvboxnow.com' `: G9 _+ j M7 V# g2 V
9 c* y$ x0 I9 B( g3 x0 ]& V# \0 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。wet. Keep your plants happy and healthy. Weak and stressed 7 d) ^+ @- n\" O! \! ~
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plants are more susceptible to disease.www2.tvboxnow.com& ~# b5 n4 {* \. A) Y) E( F8 P; Q
" e! w; u% ^ Z! {+ w6 awww2.tvboxnow.comRemove 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 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。* h9 |& B0 \& t1 u5 G6 g
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enough. If a plant is heavily infected
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. K9 O: R: u5 A) B/ l$ Q6 f1 {tvb now,tvbnow,bttvb, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used www2.tvboxnow.com+ a' P* a4 d( X
; G: u- Y+ Z) |6 T9 c公仔箱論壇to remove diseased leaves should be disinfected before being used on a different plant.www2.tvboxnow.com5 q2 ?8 e/ R6 g' Z6 h
2 N9 L5 G$ J1 N2 Y6 ` wTVBNOW 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。Spray plants to prevent and control the * v$ X7 o6 a1 v! C( {5 D1 ?
: M) y# E$ ]4 b7 o8 j$ q公仔箱論壇spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try : @) |2 ^& T |* I2 y% ?1 T
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GreenCure.
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5 P/ K. I: }8 S; w# t/ J* p6 l公仔箱論壇
- _. p& f/ b7 Y, 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。Late Blight on Tomato Plants
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8 f5 M% n3 q/ B" ZLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato ) |/ k+ b5 a+ Q2 I7 R: _
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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. n# {$ d2 @, F
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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 blightwww2.tvboxnow.com5 y. Z6 ^9 k' q. k' |! A5 v+ y
- ]. v0 b& Y7 x7 L公仔箱論壇 can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and www2.tvboxnow.com4 p }& R+ m8 r3 R9 B2 l
, U+ C* R. r. ]7 g$ M3 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。Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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