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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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.公仔箱論壇: }/ \# q+ m8 @- ^
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! C5 Z- [# |" F. z% Q# I! }www3.tvboxnow.comHow 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。 N* J2 [/ E7 U- B9 m% m- C4 e! B# l
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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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5 K" R+ f4 C3 }newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown tvb now,tvbnow,bttvb8 d& m, r% L* y2 j' W: m, Q
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in color and form concentric rings, or a
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\" y% b& \. z4 H2 m2 t) Wbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, www3.tvboxnow.com0 }6 J' s7 z/ G
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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.
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7 s! [' f! k$ ?) X; ? `www3.tvboxnow.comHow to identify Septoria Leaf Spot公仔箱論壇+ j6 B8 Z7 w1 @- [
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Symptoms of Septoria leaf spot also start tvb now,tvbnow,bttvb' R* |/ F' z% [/ y2 B9 k$ R
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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
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$ }" O# U9 Z: f, w/ [shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 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 c: M1 j& q- g z9 l( e" e1 u$ C
1 l% \/ ]! [5 u: e$ ?. l0 e# gSmall dark spots, the fruiting bodies of the fungus
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8 N; T' l; H n: ^* ?1 A( c4 _www3.tvboxnow.com, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry ! E1 }8 s3 h, m+ f( k
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and dead. Stems can also become infected but
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_5 @ O# X8 `www3.tvboxnow.cominfection of fruit is rare.
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How to Prevent and Control Early Blight and # Q\" _* i+ i, ~7 E
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Septoria Leaf Spot
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: w3 T E& {. N H j( q5 V0 wFollow the 12 easy steps below to enjoy a
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) w, r+ o7 g$ |8 D9 Xwww3.tvboxnow.comlong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.2 ~/ ~4 `' f$ b2 N4 A% c
/ r) U" R6 x4 wwww3.tvboxnow.comWeed your garden. Some weeds, 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。2 K: p; A: _+ _, 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。2 Q# [, F& e* `1 }) H& V7 T( J
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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. Z' Q0 N3 A$ T, Q2 f9 ?4 |www3.tvboxnow.comRotate crop locations. Don’t tvb now,tvbnow,bttvb- y% l: @+ k8 |9 Z4 S- A
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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 3 H# E) L- Z5 r2 m+ a4 G4 r
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where tomatoes were grown.公仔箱論壇1 P1 S$ e9 p" F7 u; w
p9 m! \4 b# C* z' ^% I) dGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.* ]" c3 T- ?" ~8 x; `
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
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plants.
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Stake or cage plants to keep them + K2 {+ c! O* j3 e
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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 1 D# L8 p j% b. P+ I" d* s3 B
* `6 _ I8 _: r1 [3 w# ktvb now,tvbnow,bttvbcages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of ! B Q1 B2 Q& I7 T
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space above the soil without any leaves. Do not use # j2 B! y$ {+ j8 j
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overhead watering. www3.tvboxnow.com2 l% ^# W! @% c6 \ \
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your 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。2 F6 `8 {& W, m& z% h, n/ t
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 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。: _" V* _' J4 Z, ^; a# O; _, ~
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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 4 H# Q. u& }6 a/ K4 F- Q5 Z1 b
) K' b0 R8 P4 f5 h公仔箱論壇wet. Keep your plants happy and healthy. Weak and stressed 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。& c7 |& ~! l X/ h3 ^3 g) @
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plants are more susceptible to disease.( {: Q" J- |4 O6 e
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Remove and destroy or throw away diseased leaves, both off the
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* _! g) W( V, ~# w\" I1 Rplantsplant 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 infected5 y( b- {1 a- [8 a1 e) U( u
% w* ]9 a$ c8 j Y I v, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 公仔箱論壇0 G. b2 X8 g& B" P7 V
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to remove diseased leaves should be disinfected before being used on a different plant.% C# J0 m2 Q8 S; U
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Spray plants to prevent and control the w3 i5 c. f: u* }9 s
! E$ m) W: ^* }, U, | aspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try tvb now,tvbnow,bttvb, K2 n9 Q, u9 E) t
: w; w" Z- M* u0 Jtvb now,tvbnow,bttvbGreenCure.
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Late Blight on Tomato PlantsTVBNOW 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。" l! f' n& I0 m3 @$ W* {0 ?
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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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/ o; V8 |7 E/ i4 \公仔箱論壇plants in a garden. Once a tomato plant
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% c# c# j+ P! O) ]3 v, [4 ~8 uis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, tvb now,tvbnow,bttvb1 O$ z7 t/ [' e5 a. p f' m8 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 blight
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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。$ ?" O( _! e$ @3 r5 @! ~3 J
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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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