標題: [生活小百科] Early Blight and Septoria Leaf Spot on Tomato Plants [打印本頁] 作者: 6t6t 時間: 2019-4-13 05:03 PM 標題: Early Blight and Septoria Leaf Spot on Tomato Plants
Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but $ m/ X4 o {2 x& _5 v公仔箱論壇公仔箱論壇9 i# `7 x! @3 H% b
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.tvb now,tvbnow,bttvb, Q. T+ n+ c" e, V4 g
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How to identify Early Blight5.39.217.77:8898! w% j% Q6 F7 K1 X, l: ?4 v
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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 9 Y6 G. M* O8 U4 t) Y9 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。 . |" S# j: l4 d9 O' A% 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 5.39.217.77:8898, R! X9 M+ B# C
( L' @* K5 l! \) e) QTVBNOW 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。in color and form concentric rings, or a - d2 t7 p- i7 y% G& |8 W9 M+ g
' f\" v0 M) T' @) a0 f! S公仔箱論壇bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, $ d H8 k) y9 b2 ? ) n. d/ ]0 Q+ z+ m; n& Vleaves may fall off. Extensive loss $ l: x" ^, |$ C8 `0 b公仔箱論壇) j, s, e1 X: {9 ? h" y
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. 3 i1 r5 J# O, d+ `5 r公仔箱論壇5 L. x1 b2 T0 v5 ]' M
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How to identify Septoria Leaf Spot % Q# U8 c4 e5 b0 D$ S/ 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。 " V* O. S$ {! f' f" g6 V/ ~0 C) LSymptoms of Septoria leaf spot also start ( a8 `7 X" T7 D- R9 F3 k, V+ Ztvb 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。! J* x P& l$ ?0 U! b
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,bttvb8 X- c. D4 U1 r3 E- j5 u8 @
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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. tvb now,tvbnow,bttvb4 l+ v5 ]2 A. g5 f
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Small dark spots, the fruiting bodies of the fungus\" g0 P, X3 {0 b% }
9 x1 v/ d' @1 u' V+ X% z2 u, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 5.39.217.77:8898. D, M$ G! M: M3 ]* K4 x
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and dead. Stems can also become infected but 7 o h; w6 N' {( M
( g$ a, z8 Q7 [( ?. S- e+ glong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. 4 Y& V3 u3 H4 F$ I' @3 S公仔箱論壇 8 S; f7 m9 H9 X' w8 e0 c/ 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。Weed your garden. Some weeds, 5.39.217.77:88983 v8 _% a$ F- a& U1 p9 ^
& B+ O9 l% s* x* b: U6 elike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.8 E( v) w0 s8 i" G$ y
$ d- M4 n; f5 O4 z) P4 V9 k% ^5.39.217.77:8898Rotate crop locations. Don’t 5.39.217.77:8898) p1 Q6 {% D& k' Q, {1 E
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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 4 G' y$ x8 D" _( c8 Q- J6 m& ]' [' {
. J* ?4 ?4 Z2 P* i7 H* n. O' D) V* ~, MTVBNOW 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。where tomatoes were grown. $ c8 l F: x9 q2 T1 s , N. H; |- U1 @* HGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. $ }% J! Y) a# Z$ j2 a' S2 jTVBNOW 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。Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of ; {$ A4 F' n7 p" M! [7 D 5 e$ G5 W" w1 I7 _% W& efungus from the soil to your ; r& M) d+ {" |3 t/ {8 @
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plants. 8 g9 `; n* g1 D8 ^2 i* o6 @: w3 e: N. C2 X, o8 _
Stake or cage plants to keep them 公仔箱論壇0 h- O; l$ s% ~7 G1 U9 ~% i4 f
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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 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。9 Z2 \! `6 ^* V3 G# ?' Q
( e% _8 L3 @- E2 k) v7 k# Z. A, 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。cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 4 `0 }' l }9 ^8 t. k4 z
5 A8 M. t$ a% r: b- j\" 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。overhead watering. . x+ V% Y2 n2 {' @! HAvoid 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。5 p& S2 v+ y( P! {- x: R y; W. I
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 0 q! }7 y" H1 f a9 a" Dtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb9 g! P1 M: j5 ?' y3 L. E9 p: Z
fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are $ ^: L$ A% P9 e: c7 Q- ~
, p. m$ z6 j/ v& xtvb now,tvbnow,bttvbwet. Keep your plants happy and healthy. Weak and stressed Q% \3 w9 D1 e+ T' u; Z8 i$ H7 @% W( E; P
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。( t( V; i6 S9 F+ U" D" R
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Remove and destroy or throw away diseased leaves, both off the ( x\" ^0 f& Y- u+ [+ T# |
* f5 }6 ? J: U: Q2 Z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+ A( N' E* ?6 k. Y, M8 u8 ^0 z
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enough. If a plant is heavily infected$ g- C6 e5 r$ u2 `9 f: _
公仔箱論壇' b K& e\" w# q( S3 k , 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/ d1 p3 G7 s9 ~9 Z% p
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to remove diseased leaves should be disinfected before being used on a different plant.5 \1 I7 Q& K( a* e! x% \
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Spray plants to prevent and control the \" g6 ?; _0 ? s! \6 s/ n- b
' {; o9 z2 v+ F\" H5 v$ ~9 ]spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 6 _0 v) }8 A9 ^% D" A & K7 Z) Z+ ~. p9 @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。GreenCure. 5 z6 B% f7 O7 bTVBNOW 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。 9 R9 W) y% @! E5 P2 E# ^公仔箱論壇 # e g/ Y: w- |% w, d2 l+ _# A; |5.39.217.77:8898Late Blight on Tomato Plants 5 R) Q' _! m9 X0 ~8 F: Btvb now,tvbnow,bttvb # f4 j, g7 }7 j- @* 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。Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato : ~' p/ P( _3 ^! C# 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。 u7 Z2 Q5 l7 R. @/ d* Y; [, c R5.39.217.77:8898plants in a garden. Once a tomato plant ( p/ @8 _) a. y/ ^- Y. j9 ~tvb now,tvbnow,bttvb / } {! e9 G9 O; v3 ftvb now,tvbnow,bttvbis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 0 _8 ~7 p: l1 v& F
8 R0 O0 T/ b( }3 Y" b( |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。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,bttvb1 l& i7 r& z! [7 @
+ E& {8 |% K* u0 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。 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。& @- ^: a3 e. r. p6 B! J+ J$ _/ z
4 L: H @ Q' o2 I0 A/ G4 A& Htvb now,tvbnow,bttvbSeptoria leaf spot infections will also help prevent late blight infections.
