Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 公仔箱論壇+ O- P! [1 r! {8 D3 |8 m
1 e7 p" @3 V: otvb now,tvbnow,bttvbcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.
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) }) R1 g* a5 O8 ?/ Qtvb now,tvbnow,bttvbHow 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 tvb now,tvbnow,bttvb, e% O) S; k5 ~' m+ v
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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 5.39.217.76; {" b' z3 V$ d# m5 t( Q
tvb now,tvbnow,bttvb/ W$ f! E) I6 t1 Q! v
in 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,
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" x6 N, Z: A! J6 y" k7 Utvb now,tvbnow,bttvbleaves may fall off. Extensive loss / ^7 A! f% F7 ?' O/ h+ o+ U& o
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.! o8 R$ n* s; f& k% j7 e8 ?
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" K S5 `4 A5 ?% t) l8 GHow to identify Septoria Leaf Spot5.39.217.76" h9 n( ]' v# o
7 C4 A! @0 S4 c# Z, uTVBNOW 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 4 {7 h4 |. {( Z1 m A0 a4 B
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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 tvb now,tvbnow,bttvb% A3 A& [( O+ }
0 e4 ^8 o T0 s$ R7 atvb 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. 5.39.217.76" N* w- Y3 v# r' E
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; x( \: L8 u$ \
Small dark spots, the fruiting bodies of the fungustvb now,tvbnow,bttvb! W! A6 @( n/ B4 |3 v) E& I
! L9 c4 T# q! B6 ~3 L( B0 J6 C8 y, B @公仔箱論壇, 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9 Z: T/ i6 Q4 l9 J% N \
tvb now,tvbnow,bttvb( c, `) k& p/ i2 X; O# {9 T; a
and dead. Stems can also become infected but 4 J% h5 K, q: Z9 A( [5 M
\" j6 \) \; j! G: Y1 G8 y5 ttvb now,tvbnow,bttvbinfection of fruit is rare.
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How to Prevent and Control Early Blight and J) L! n; a, d. p4 c; |1 A
0 Z- W' ?5 A: S7 xtvb now,tvbnow,bttvbSeptoria Leaf Spot
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Follow the 12 easy steps below to enjoy a 公仔箱論壇9 Y\" G% ^ {* {2 p6 j) W- A$ o; ~
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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( q5 W4 o* a! |7 R5 W8 n: Y1 EWeed your garden. Some weeds, 5.39.217.764 Z+ n) J r9 g5 |
' O% x3 \; S- }, y1 i0 c4 O公仔箱論壇like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.公仔箱論壇4 N6 D |- p1 i6 }' T9 \+ i( s' Q
- B4 [" c/ r$ W0 W) ERotate crop locations. Don’t
6 }8 M8 R" k& V+ M5 ], v- }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。
7 }# d! o; B7 A% VTVBNOW 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。plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 5.39.217.76& @- Y# ]+ U, {: q
5.39.217.76$ [, z7 |" Y9 `+ d/ [ Y
where tomatoes were grown.3 O& ^1 |) V; E$ s7 L' k
: J' ]1 \% F2 T! `0 R0 Z; @Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.0 c7 Z9 l0 C8 Y
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 公仔箱論壇7 c2 n) K8 f; x3 ^; V
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fungus from the soil to your
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- q1 O: I+ `9 R5 h2 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。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。: Y1 ^4 J/ j% V4 z3 T
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Stake or cage plants to keep them 5.39.217.766 W: c! D: a, M' x0 g Q. d1 d v
" o6 m" C( I9 c6 U" @off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and ' M0 o9 _+ @+ E5 u
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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 ! ^( h, J; c }+ d
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space above the soil without any leaves. Do not use 5.39.217.76, B0 w, X% I& O% g6 z
5.39.217.76* C\" u. z' C- z+ ^1 P: G
overhead watering. , \5 M, u4 J0 `1 ]8 ?
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。4 G, ^# ~7 v8 y$ B [1 c- P
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 tvb now,tvbnow,bttvb3 G2 r/ m- H4 ~
3 t. q9 E0 {: y, 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。fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are
/ a1 U& Z! j3 x$ k- t# P$ 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。公仔箱論壇, l% m/ }' S9 Z0 H7 F( z6 A
wet. Keep your plants happy and healthy. Weak and stressed 6 D8 E, K/ P) X9 ~
3 w3 `. N: h6 f& V+ f7 v公仔箱論壇plants are more susceptible to disease.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 s, K8 ~0 a% h, d
8 s7 ^; N) t7 Y* f) GTVBNOW 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。Remove and destroy or throw away diseased leaves, both off the 公仔箱論壇3 I3 \- ]& `9 u) R5 [
% ~- v' ]2 y\" ?) n# `公仔箱論壇plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early tvb now,tvbnow,bttvb, m5 D* d+ A1 v* W- S
4 Q& F4 `+ j$ s6 \; Y7 ]5.39.217.76enough. If a plant is heavily infected\" S) ^4 ?6 n3 O1 O: j' A8 W4 O& V
( q! |+ y& t7 x/ gTVBNOW 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。, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 6 g% @( Z' G! l3 K( E# {* n
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to remove diseased leaves should be disinfected before being used on a different plant.5.39.217.76& n6 h- r' W2 o% e
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Spray plants to prevent and control the 4 G# s2 e7 Y+ h4 U Z8 F
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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.
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/ a) @$ M9 j1 D* n3 q/ h, N* a5.39.217.76Late Blight on Tomato Plants
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. Q3 ?7 k; v6 WLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato
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! @& w- ]/ }# ~, ^8 b2 a. Kplants in a garden. Once a tomato plant 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 f( c4 m6 h4 c$ ]
4 y( x# s" P; n& Ais 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。+ w( m' E* E! ~! S1 H
: m/ U7 D8 {8 D O# 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。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% z3 R* K/ l4 C
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can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 公仔箱論壇. I4 c5 H) A3 F
" A! L# _4 F$ g. `% 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。Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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