Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but tvb now,tvbnow,bttvb+ r9 e2 z# h$ O t5 Y
3 F; }& V' x2 PTVBNOW 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 start at any time. Infections can occur anywhere and are most severe in wet and humid areas.& U$ b& l+ o( S
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( }" q5 R% A2 u. {" R公仔箱論壇How to identify Early Blight
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' N$ e1 [ v# S* e. q8 fSymptoms 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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. W6 }7 H; n$ _* ytvb now,tvbnow,bttvbbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow,
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5 V+ n6 `; i: ?5 [8 l- Vtvb now,tvbnow,bttvbleaves 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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1 w8 }0 B, [) p x5 M9 w& z2 jtvboxnow.comTVBNOW 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 n2 @! j7 ^" U# \9 i" p' Q1 R
How to identify Septoria Leaf Spottvb now,tvbnow,bttvb/ F5 d) Q2 j! s' w2 s5 E, s
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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 公仔箱論壇# m1 J3 u) Y0 L0 b( x
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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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8 r! N$ ~; I: t+ h! a$ @tvboxnow.comSmall 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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and dead. Stems can also become infected but 4 f; ~ ]' [, D% H7 W* R! W4 L
' j4 t7 |) X& k) e\" r. Oinfection of fruit is rare.
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How to Prevent and Control Early Blight and 6 [* r. W9 E* t/ r4 I1 k. N
/ j5 ~# e. `/ ]: i6 ?5 Rtvb now,tvbnow,bttvbSeptoria Leaf Spottvb now,tvbnow,bttvb- \5 I5 ?1 F6 ^9 H
1 p) ^" M) r. t! \tvb now,tvbnow,bttvbFollow the 12 easy steps below to enjoy a 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。/ k4 h/ ?9 R$ v% n5 b
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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, tvb now,tvbnow,bttvb# r; I+ W# ?1 A2 |
7 x4 k3 I. h: W- y$ u! Utvboxnow.comlike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.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 }) A. R/ K6 f3 k! Q" r
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Rotate crop locations. Don’t ' i! f0 S6 ^ z
* J4 S# ]* Q) h9 ^: Splant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 公仔箱論壇! F6 c" q+ ?9 ?; C5 l
" Y. a1 p; b8 f) Vwhere tomatoes were grown.
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: R, ]! r" V. J: P `Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.4 E( g# o% ]' `
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,bttvb6 E! a e0 u7 T7 H- c; S
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plants.tvb now,tvbnow,bttvb+ d; c) }+ }7 _; J' r
3 d9 \# P* u5 I- m; ^tvboxnow.comStake or cage plants to keep them ; l) _: }. g" Q4 B) o2 d
) X3 z' S4 j: hoff 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 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。) H! r+ @* I* }+ l
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space above the soil without any leaves. Do not use
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overhead watering.
" i e2 ^$ M. t8 ]8 |Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
9 e8 O) O9 m2 K( Z公仔箱論壇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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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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; v, }0 F; F% T9 z1 {: 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。wet. Keep your plants happy and healthy. Weak and stressed tvboxnow.com2 J0 U( G\" `) X- R9 P
% L$ r2 n9 F; N+ Y( t7 T3 f公仔箱論壇plants are more susceptible to disease.tvboxnow.com* H- \: u5 I! e% N: b0 V9 G
/ D4 E( F% e6 x' O) ~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 ' e* M+ r9 e' B" Z: Q
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enough. If a plant is heavily infected
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$ q' r8 r8 D, ~, v+ {+ _- @, 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。- L2 a& D5 \" ^2 o! a- |! W
" Z, P5 H# {# G7 [7 A. }to remove diseased leaves should be disinfected before being used on a different plant.
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Spray plants to prevent and control the 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。8 ~/ P L# t P( b6 \! f
: f; Z3 S7 R5 u: h8 n$ Etvb now,tvbnow,bttvbspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try tvb now,tvbnow,bttvb: A- M7 Q2 V3 K: S
& A5 V. D0 U7 w7 v8 Z2 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。GreenCure.tvboxnow.com2 c# M2 \6 Q. i1 G
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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。) W% {% `( M+ j, @
Late Blight on Tomato Plants公仔箱論壇& b7 G: G! o0 H* u( _
: _9 V1 J$ i r1 v$ tTVBNOW 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 is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 公仔箱論壇& ?) x Y8 z; ?7 [) {& l7 ?2 ~
5 W$ T5 X' A2 K0 n1 |6 ~! q/ G- p; jplants 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, tvb now,tvbnow,bttvb6 X* ?' m; ?" \$ d' n0 g
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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% c7 t% e# A, ~& p2 q8 {
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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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