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.
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9 l4 K+ f4 z& D# [4 J公仔箱論壇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 % M7 v1 u8 w2 b- ]* P# z
: q# J3 ?0 j" h+ P- |- z公仔箱論壇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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8 s) A0 Y3 |% _& C* [; r3 Y5 Otvb now,tvbnow,bttvbin color and form concentric rings, or a
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 5.39.217.77: q0 {, Y1 k' D7 P
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leaves may fall off. Extensive loss 9 q- S7 r$ O& N) o' c( E E
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.tvb now,tvbnow,bttvb/ \$ [/ }) l" ~0 [! U$ h
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- v: y. _* F3 ] I7 ^公仔箱論壇How to identify Septoria Leaf Spot公仔箱論壇' W# s- ]! K. s% \2 s; [
% ]7 j; t8 o( R8 o) }$ 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。Symptoms of Septoria leaf spot also start tvb now,tvbnow,bttvb* N5 u; O7 K- V6 W8 f8 s* I/ ]
! r: ]# [, b9 K: ron the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change tvb now,tvbnow,bttvb. r' {7 Y6 P; |; ~
2 \* F& U. \: a$ N' u5.39.217.77shape 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 fungus
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. Y# W3 P* H1 ^9 q5 A* A8 z$ S, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry
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7 D8 B- w. _# b2 j8 B# _: xand dead. Stems can also become infected but
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infection of fruit is rare.
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' `3 X. K* l# s) ^$ H2 }5.39.217.77How to Prevent and Control Early Blight and 5 x\" |; P% W3 ~0 P6 Z
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Septoria Leaf SpotTVBNOW 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 d7 E! R; h8 P0 ^/ [4 h
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Follow the 12 easy steps below to enjoy a
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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, 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。& C! l e; U& t4 V* _3 E. q
! W% Y' s) m' J; X% c- @& j Y zlike 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。, u& p6 P; t5 t" V% w4 t$ l' j
% D/ a! I* ?% {: F3 T `公仔箱論壇Rotate crop locations. Don’t
2 Q b3 A3 Z) `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。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。! ~" H4 P/ I; m8 h& s. R
plant 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.
4 T' M5 Y: P3 X8 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。+ J" u% B8 e& m& U% w
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
; C: b, A/ Z/ l+ NCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
5 v# _* k, M* S# Qtvb now,tvbnow,bttvbTVBNOW 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 v* a3 q3 n% E
fungus from the soil to your 公仔箱論壇 \5 q9 D. x% a g+ G
& Q; D# K4 C$ j* {% ?公仔箱論壇plants.( ~5 `4 {0 m! L3 e( L+ T- W
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Stake or cage plants to keep them 5.39.217.774 q( d+ O# e1 M7 N. t S
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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 公仔箱論壇 m) _! x8 B! d: F: S% q1 I' t
& ^' P! Y1 Q6 E- T" i+ b0 J+ Kcages. 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 公仔箱論壇\" o E\" T6 C1 Y
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overhead watering. tvb now,tvbnow,bttvb4 _5 L, P( |0 ~ V1 { k4 ?
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
6 V9 Q( a7 L9 m: W2 `3 WConsider 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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2 a- Z! z1 f7 \8 w! K7 [1 @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。wet. Keep your plants happy and healthy. Weak and stressed
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1 T3 ^, L/ c2 T2 O\" @plants are more susceptible to disease.
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Remove and destroy or throw away diseased leaves, both off the 5.39.217.775 i: I# X4 F7 T. B$ O0 ?$ u. m5 O( k
$ m& r' _8 i* {& rTVBNOW 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。plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early / {8 B7 n" k" m( _, [7 N( L$ p' D
8 h) n5 Q& \- O3 n8 senough. If a plant is heavily infectedTVBNOW 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# d# ^( m! v1 d! u
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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 公仔箱論壇* Y& K, k0 d0 O s9 L
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to remove diseased leaves should be disinfected before being used on a different plant.公仔箱論壇; a! y/ ^1 @0 Y3 Z
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Spray plants to prevent and control the
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K! w0 F$ \9 ?+ ^ wspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try tvb now,tvbnow,bttvb9 x5 L9 E1 w5 @/ i2 R
4 C2 K% Y! ]1 P" MGreenCure.
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0 `* n7 E6 ^# X& 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。Late Blight on Tomato Plants
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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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6 P: F1 ~+ K. z0 O: X# g/ B% H9 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 in a garden. Once a tomato plant " a, U% f4 \( }7 N: f' D
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 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 y! ~- U+ M7 w# v
# E# @- ]( Z$ @) t8 Gwater-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 tvb now,tvbnow,bttvb6 M8 \8 N+ N4 V: p; g& F
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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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