Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but os.tvboxnow.com. v- z% g1 r: t( X5 M; a
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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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How to identify Early Blight
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4 e' `9 i j) ^7 e- z: ~公仔箱論壇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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! e2 S* B- v0 E4 p8 [/ R1 ?0 W0 d( ~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。newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown $ V6 {& m" ]$ z0 A, F; {
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in color and form concentric rings, or a 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。! U7 T- S; f6 M
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow,
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) A/ j9 a. `$ U6 G% sos.tvboxnow.comleaves may fall off. Extensive loss 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。+ u2 G0 i$ @( N1 R1 n
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.: I$ ~& E, B& p/ G( _# d# [
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How to identify Septoria Leaf Spot公仔箱論壇, c* B: z- ~. P/ i5 ~, E
; P. ~" t: l! [$ B+ l9 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。Symptoms of Septoria leaf spot also start
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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
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1 C. L; t3 A# F+ V+ Xos.tvboxnow.comshape 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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8 c8 x5 i1 O% E2 d3 dos.tvboxnow.comSmall dark spots, the fruiting bodies of the fungus/ ~% @/ u- H5 n m
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, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry
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and dead. Stems can also become infected but
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2 n& h+ P\" m* Y- U- ~* z7 M公仔箱論壇infection of fruit is rare.
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How to Prevent and Control Early Blight and
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Septoria Leaf Spottvb now,tvbnow,bttvb- {, O7 v4 S% V, J8 V
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Follow the 12 easy steps below to enjoy a
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. Y2 u( g1 }0 l2 P9 X$ `) h- zlong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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% A" |! u4 K4 a! ros.tvboxnow.comWeed your garden. Some weeds, - M0 w- ~6 y4 k7 { ^
& u$ ~0 M. p; Z+ h4 n公仔箱論壇like 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。1 _: U& D( X! J% j! Z( R5 i; ]
公仔箱論壇* t' S8 ^3 y* A% k+ L* s
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 tvb now,tvbnow,bttvb$ D9 I$ y3 O$ f; E5 u+ o4 \1 R; B
$ z% v3 d& H t3 D3 c1 jwhere tomatoes were grown.
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.# t: a, i% L4 P0 I+ K* ?
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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s9 I$ P, ^: qtvb now,tvbnow,bttvbfungus from the soil to your
0 W/ X6 J V0 S D1 d4 Etvb 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。, r, v4 B6 q$ h E6 O) @5 j
plants.$ O: q. n2 S& z6 P2 s! ?' K
3 T$ t0 B( G/ O$ A, g: 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。Stake 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 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。) [& d8 V8 k! y B4 q+ L
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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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space above the soil without any leaves. Do not use
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overhead watering.
2 s1 l+ T" l8 E) d! w+ |7 e6 a1 vAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
7 }! e; G* H6 b! e7 e x" \) ^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 % l" e4 e+ M0 V' l% t/ ]
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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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: y" o5 f, P7 @0 t7 x8 e! Qos.tvboxnow.comwet. Keep your plants happy and healthy. Weak and stressed tvb now,tvbnow,bttvb0 G) c0 u. o/ [; Y9 W\" M- ?; V( ~3 {
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plants are more susceptible to disease." y" a: `6 n- Y P. ?$ n0 ^, @
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Remove and destroy or throw away diseased leaves, both off the
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early
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enough. If a plant is heavily infected4 L& n l& ?, x) v9 c ^1 u) R
! e, {- k9 U- b' S$ I* d% }9 j0 V, 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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) q) w1 J+ R6 @9 L5 u2 ]os.tvboxnow.comto remove diseased leaves should be disinfected before being used on a different plant.
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Spray plants to prevent and control the 公仔箱論壇& C( g1 ^) G M' ]/ r
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
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q3 c3 Y. n) O- s j! M, {: E公仔箱論壇GreenCure.
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Late Blight on Tomato Plants. h8 _" s2 q, G0 Z2 R
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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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plants in a garden. Once a tomato plant
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# |; r. A8 ^' N& m7 U! }os.tvboxnow.comis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 3 l) _& t) H2 o4 f! _. Y& z
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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
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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 [, U5 u, I& v0 ?0 L/ oos.tvboxnow.comSeptoria leaf spot infections will also help prevent late blight infections. |