Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 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。0 N$ P& @$ ~( x# Q& r, [3 H
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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
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( B, D4 j ~0 F6 ~4 s公仔箱論壇Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 8 s8 n) o6 |/ J2 z
9 X7 f! Q6 i! G# U# v5.39.217.77:8898newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown tvb now,tvbnow,bttvb( `, i' n5 |4 S$ C" s" V) |
U; v% C+ a; a3 Vin color and form concentric rings, or a 5.39.217.77:88985 h6 y9 K+ H- @( q8 o% m% F
$ A. t1 M/ ]+ g& w `2 R' Pbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow,
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% {" ~8 a; c6 t5 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。leaves may fall off. Extensive loss
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$ u: }( I6 _- c公仔箱論壇of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
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! x9 \3 E' N2 \: q: ]4 u5.39.217.77:8898How to identify Septoria Leaf Spottvb now,tvbnow,bttvb5 j3 {* f0 U: Y# z* |
2 _* |2 p, `$ F- ~. ?' L' F5.39.217.77:8898Symptoms of Septoria leaf spot also start tvb now,tvbnow,bttvb- F8 z% G5 S2 {( \; G8 h
2 s, c- A8 k" r* M* q% [7 _6 f+ e; h5.39.217.77:8898on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 5.39.217.77:8898& V* s" B" L# c H! m5 v+ [
, s2 s3 ~7 _7 D" R5 mtvb now,tvbnow,bttvbshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. tvb now,tvbnow,bttvb Q8 i3 T# [( k8 I" h
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Small dark spots, the fruiting bodies of the fungus5.39.217.77:8898$ M; e/ R% m: J) M6 B/ y
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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3 S- A3 q8 ?0 r' x0 K( V3 L
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and dead. Stems can also become infected but
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infection of fruit is rare.tvb now,tvbnow,bttvb% m+ X0 Z8 J1 X/ `4 c6 S5 [
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How to Prevent and Control Early Blight and tvb now,tvbnow,bttvb$ L/ W9 K' c9 M5 H
1 r H* V6 o( \ F. R% A7 x0 TSeptoria Leaf Spot
U! L* ^, @* w2 ]0 [+ HTVBNOW 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 e# |3 V# H; A4 _! o* [. E6 L# 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。Follow the 12 easy steps below to enjoy a 8 e- c0 O) ~: @, ?( L8 P/ Q) 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。$ c1 P0 }! F8 M3 @; q1 L/ V
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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Weed your garden. Some weeds, 5.39.217.77:8898! C# Q0 v7 I ^# J1 p! J8 A
tvb now,tvbnow,bttvb) K8 I. a; z9 h0 Y
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.5.39.217.77:88989 x5 P5 T2 H B$ Z0 e1 ^* t) C# x
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。" G' S+ Q- X0 Q
Rotate crop locations. Don’t ; Y8 r6 C" a8 }0 z# g- h
1 y, [" H' o( W* d# O- m& [公仔箱論壇plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 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。- ^4 O4 _& }; x) v- j3 c* X& y( C
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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.
( W( a7 J( K9 ~6 r- ]2 c- d* b* mCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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$ F+ e) a ?5 T# [: u- _fungus from the soil to your tvb now,tvbnow,bttvb) H0 [* e K% n" H6 x" h3 t$ e' H! v. Y. Q
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plants.5.39.217.77:88984 p# n: \! d }6 V; M* f
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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 4 r7 q3 W# P2 [/ T X3 e& [% I
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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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space above the soil without any leaves. Do not use
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overhead watering.
9 V- B# Q9 c9 s- [6 AAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
* ^2 d' U- A( q; ^: u4 V8 r& |tvb now,tvbnow,bttvbConsider 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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6 k$ k% {$ S, u. k, I# d8 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。wet. Keep your plants happy and healthy. Weak and stressed
{2 e$ R, P' 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。
% w8 X7 t, c Z0 K xTVBNOW 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。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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\" W- ]5 e- @% X/ C- R4 S5 }plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early
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* H3 [9 e* r' ]8 b2 V% z+ Stvb now,tvbnow,bttvbenough. If a plant is heavily infected
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. J- z/ d\" J* F- h3 B; A5 V4 l* a1 }5.39.217.77:8898, 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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$ D1 W. w: `' E. B1 c( I; e; u$ z* ^# 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。to remove diseased leaves should be disinfected before being used on a different plant.- n! m8 M: ?& r U6 k9 c4 Y. n
- w3 R8 N- G# o6 j公仔箱論壇Spray plants to prevent and control the # L* H9 c* W% m& W) q
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
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GreenCure.公仔箱論壇) [0 F* c m5 T# W) O; C
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Late Blight on Tomato Plants
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. M+ S" @$ h: g; T) Z$ S5.39.217.77:8898Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato
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S1 Y1 w( t+ b# t! t" n3 ^0 J5.39.217.77:8898plants 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, a- x! o. X! C- A
) \3 q2 [8 }5 t {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 blighttvb now,tvbnow,bttvb# x) T' _: w* Q. l- \
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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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( X! X W! H% e1 _. s1 r公仔箱論壇Septoria leaf spot infections will also help prevent late blight infections. |