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8 C' m/ B4 ?# [% J& y
4 ~+ s. F0 z5 z1 d8 x: Fcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.
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# e- l- g9 _$ o: e, pHow to identify Early Blight公仔箱論壇0 a" a7 {1 R+ q1 M! r4 |
7 s1 {2 ^2 g( s# a" \Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to
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0 B# }. S9 z. M1 Q$ rnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 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。* k3 ^4 W. ^ V. w2 j* _
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in color and form concentric rings, or a 公仔箱論壇- `: Z; d& ~( A1 j1 p
$ t5 j3 Q& K5 @1 [+ _$ \9 Etvb now,tvbnow,bttvbbullseye 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 $ G1 G: \# W" R* C% n
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
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How to identify Septoria Leaf Spot& b8 [! a+ _! D" }' R% m$ ^
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Symptoms of Septoria leaf spot also start 公仔箱論壇: D8 y6 P: ~' h2 f+ h; p# z
3 V, J d. k: e9 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。on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change
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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.
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Small dark spots, the fruiting bodies of the fungus
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, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry ' r1 H- X% ? o0 y+ e. C! D' W
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and dead. Stems can also become infected but
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infection of fruit is rare.
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# O/ O/ p' V( t! R4 x7 h4 Eos.tvboxnow.comHow to Prevent and Control Early Blight and 公仔箱論壇5 B, ~6 i+ v6 g\" H3 [$ y: i' B
! |- ? X% G `2 ^1 Hos.tvboxnow.comSeptoria Leaf Spot
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( }( I, x5 U/ t9 L' b公仔箱論壇Follow the 12 easy steps below to enjoy a
2 ]$ p, u& _0 m2 Q( 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。- T( F, |$ z( @- Y. {# c. J) b\" Q
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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* n" O6 w! s+ ^9 j1 D. ^Weed your garden. Some weeds, ) L% }. @" C) B
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.7 c5 B) H: Z: s2 U2 ]. @$ T" p
0 b: |8 G5 e& }: l' ]os.tvboxnow.comRotate crop locations. Don’t 公仔箱論壇5 p! p& j4 b2 T8 y. G, G. M! W* w7 T
[$ ~! M' ~' P# ?0 X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
8 g% \4 \+ A, W. N2 P0 s/ ros.tvboxnow.comTVBNOW 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+ y1 |' s! B* n f
where tomatoes were grown.
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4 g* A. u) ?' X1 k1 `8 s) u$ JGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.* s! S5 D" s P, t
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of os.tvboxnow.com% g; T! s. R, V' e2 @+ Q4 ^1 N
- j) a. M$ M4 Z% T2 K8 P: lTVBNOW 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 from the soil to your 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。$ K1 r2 b7 b& S
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$ z7 Y: Z* @4 n& \4 j) dStake 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 & \$ U: s+ u* K/ i
% m- X+ o$ e% ]# B( N5 [" Q$ w公仔箱論壇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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6 r1 @- A. |- |8 p) V, L5 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。space above the soil without any leaves. Do not use
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overhead watering. 1 _: ]+ O+ g" g: R s
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。( q# ?$ Y1 @1 k% l1 G
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 os.tvboxnow.com2 P' d8 }6 R0 \% y' \7 s! B
. _" h! ^. l; A( 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。fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are D" Z- X) T9 E( I
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wet. Keep your plants happy and healthy. Weak and stressed 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 }( b3 X2 R! A7 x1 j
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plants are more susceptible to disease.$ x7 E8 _' y0 M( K- J* [. y
7 B$ P6 V, a! @1 e1 \" N3 dos.tvboxnow.comRemove and destroy or throw away diseased leaves, both off the 公仔箱論壇( y# M$ W& A2 j9 _8 K0 |
$ e% t5 \* `! }1 ]' Ntvb now,tvbnow,bttvbplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early Q' e7 \" Z; _. N# i2 c
, B4 K+ f+ f( A, B0 @公仔箱論壇enough. If a plant is heavily infectedtvb now,tvbnow,bttvb o) L+ d q2 h* Q# O3 @
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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
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to remove diseased leaves should be disinfected before being used on a different plant.
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/ Q' N$ [6 X$ f0 u2 jtvb now,tvbnow,bttvbSpray plants to prevent and control the
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 公仔箱論壇) u4 {; |3 x, H1 {5 e/ c
; n" o* B- o+ Itvb now,tvbnow,bttvbGreenCure.
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+ Y6 |6 F) _, b* t5 w8 q% OTVBNOW 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。os.tvboxnow.com- J4 `, g+ w4 _" }) v
Late Blight on Tomato Plantsos.tvboxnow.com( N; d3 z. ~& y5 ?# }
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 9 N: M* q( Y6 p# r" E% f- {
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plants in a garden. Once a tomato plant 1 f/ I V* {* p5 `7 t7 \3 [
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, : d! U5 l) Y# ] q; s, W7 l' M0 e
' P4 i/ E2 L, j: [. v! R3 @" gos.tvboxnow.comwater-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,bttvb6 p\" z/ x5 b- w7 g* [. [
5 ~. D; Y- H5 @1 C0 Y5 utvb now,tvbnow,bttvb can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and
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! ?! g! p: E0 `5 M9 S% w7 I% gSeptoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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