Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but tvb now,tvbnow,bttvb+ `3 n* s4 U/ w* p. O c
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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.8 A7 E& [: f v5 `9 O
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How to identify Early Blight" s! ]- j* r2 o5 E$ @ u- ]
$ s. r# g& Z' T/ f$ ^: {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。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* q4 h7 ]* S% L, J3 W6 r4 _1 C) l
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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 - [% `' o3 W+ _+ t
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in color and form concentric rings, or a 公仔箱論壇) `; [3 t( t' S
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow,
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leaves may fall off. Extensive loss
: i7 o" C5 n4 R8 z7 \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。
) F5 E2 p, U/ Ltvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.tvb now,tvbnow,bttvb8 ^9 X X$ {4 P+ b
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How to identify Septoria Leaf Spot
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, O2 X* m6 `9 k Q公仔箱論壇Symptoms of Septoria leaf spot also start / n! z( s. `- X( W" x2 `' r2 S3 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 公仔箱論壇, [8 q0 M5 Y5 K5 D* F6 z
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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. 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 l' V" Q! \# j# A2 B, }$ d4 v9 Y
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Small dark spots, the fruiting bodies of the fungus
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3 n0 @1 x\" @0 x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
# E0 l6 ?6 a" L$ r& E9 \9 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。
; v5 G6 ?! v* f. r; @and dead. Stems can also become infected but
7 U5 Y6 A3 r r6 e7 S& q; E. _! `6 atvb now,tvbnow,bttvb
9 f\" e4 L8 ]; \/ l1 _) ytvb now,tvbnow,bttvbinfection of fruit is rare.
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1 S8 w7 f( j3 Z$ z0 a! S; v公仔箱論壇How to Prevent and Control Early Blight and tvb now,tvbnow,bttvb* z0 E3 B! ?' [* K
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Septoria Leaf Spot公仔箱論壇/ J6 m* B }$ f7 O
- X6 b- r* s! r) B3 l公仔箱論壇Follow the 12 easy steps below to enjoy a & O* g# Z# F5 I- ?2 v
& S2 `4 j! j* ]公仔箱論壇long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.( A6 t% g$ e9 r
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Weed your garden. Some weeds, / u' I% C% n! ~. ^* W! d
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.公仔箱論壇7 U$ i& F- ]9 I, o- B( @
+ T! u; `7 D/ n公仔箱論壇Rotate crop locations. Don’t
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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
0 Y. m- A! m! n2 c: 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。
; _4 c( Y- l; `tvb now,tvbnow,bttvbwhere tomatoes were grown." H, X( g8 v1 f3 X% R7 W8 Q
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.2 K, f3 E, |4 V+ O3 l9 B
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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! C8 M: T9 ~0 y. t2 [tvb now,tvbnow,bttvbfungus from the soil to your 5.39.217.76( I$ B8 Q3 {8 d! u
! P- {) ]4 h6 S. E. [6 a5.39.217.76plants.
' X6 i2 `8 r2 q3 x3 y* V8 h* 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。
0 F6 C2 z+ Z! x- ~Stake or cage plants to keep them
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/ Y# _6 G0 D- f! D2 l5.39.217.76off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and
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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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) X# i2 F* W- y: x/ N2 d6 W公仔箱論壇space above the soil without any leaves. Do not use
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( e4 U: e R6 u 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。overhead watering. 5.39.217.76) c6 X6 |5 W! B, i
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
: J1 d" h4 E8 I/ u5.39.217.76Consider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow : {6 G) }6 V6 z( m* C
1 c& \& t7 f% x3 ?5.39.217.76fungus 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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- R: J9 O- `% B2 {. c( F Lwet. Keep your plants happy and healthy. Weak and stressed tvb now,tvbnow,bttvb$ I* o% m) m. c
8 q; p' U+ p0 b4 Hplants 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 I. G/ U3 _2 E$ _1 \
5 w+ B: `( c% y3 t: e: g @Remove and destroy or throw away diseased leaves, both off the
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1 Y$ \) W6 X2 [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。plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 公仔箱論壇2 i9 D6 @( L7 S9 U( O) T7 t
tvb now,tvbnow,bttvb& B2 W" W+ ^8 z6 l7 _
enough. If a plant is heavily infected公仔箱論壇# x1 j$ |& F4 H! @6 c
9 L5 J V! W# V6 a. N' Atvb now,tvbnow,bttvb, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used tvb now,tvbnow,bttvb! b7 _5 a0 U: c8 [$ g4 r
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to remove diseased leaves should be disinfected before being used on a different plant.- N, ]' l3 K/ W/ m: B6 N' k' N/ O5 Q* K
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Spray plants to prevent and control the 5.39.217.76! L4 D9 z' E0 k0 \
v0 g g7 m6 K! S\" c7 H5 t0 A0 @公仔箱論壇spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
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" z4 q1 n! N! R! [3 t. ZGreenCure.
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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。9 k' V, H( ?1 W6 L) l" b& I
& T' ]. J& Q+ }& u; w ULate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato
9 G5 D! e+ V, X# R4 K( 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。) c& A* i# H: e8 g6 z
plants in a garden. Once a tomato plant
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8 \$ X& B- ^3 \5 [3 {- ^% Pis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, - F6 e' x, w! T) N
- K& h* ^1 c# }# zwater-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
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0 m1 ^! \+ Q- |8 P' e% b& _tvb now,tvbnow,bttvbSeptoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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