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- Y Z. }( W X( U i5 H: B
' O* ?! n# g: Q公仔箱論壇can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.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。3 d9 v/ G9 t* w) F* a' H1 G
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How to identify Early BlightTVBNOW 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 e7 l9 M1 a4 b* e" U" G
, O3 B& m; J" L& q- bwww3.tvboxnow.comSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to tvb now,tvbnow,bttvb/ W9 M) V1 g9 y# R) A4 n
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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
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in color and form concentric rings, or a 公仔箱論壇- H4 J- q. P' ?3 u Q4 y
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, / u" W+ F7 T$ P# {4 S+ M
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leaves may fall off. Extensive loss
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+ b# z) n, H$ A P, A" 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。of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.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。0 @2 @2 f* e, }# g8 I: d, }5 ?
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1 u" ~# W: ^8 a1 B4 Y$ u; y' I. l" _How to identify Septoria Leaf SpotTVBNOW 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。( \ f( U2 Z! L$ B
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Symptoms of Septoria leaf spot also start www3.tvboxnow.com+ s( a; P. S) u/ b% m9 J
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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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5 k( l( H, z$ W' S& u& b8 m# h" s2 G公仔箱論壇shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. www3.tvboxnow.com* b6 D5 Y2 J7 u5 p" G
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Small dark spots, the fruiting bodies of the fungusTVBNOW 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。+ D! Y; |4 Q# L- e9 H, Z& T8 |
6 E4 m( T& u2 M9 c9 t! t+ ctvb now,tvbnow,bttvb, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry www3.tvboxnow.com7 Y. U4 j% e, a& o( J( A7 n1 [
$ h( j( u/ a0 K+ a y3 R) Tand dead. Stems can also become infected but 公仔箱論壇2 G8 Y\" K, i, y' ], B9 o2 d. C
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infection of fruit is rare.www3.tvboxnow.com- O& v% O& I+ s+ S/ B m
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How to Prevent and Control Early Blight and 4 j6 }; M+ [) f4 u' ?( `/ z
. y# i% {$ H& [Septoria Leaf Spot% |& L% T; n6 j7 D: a5 u, z
- \: C& H5 G! v( I! K1 T1 ptvb now,tvbnow,bttvbFollow the 12 easy steps below to enjoy a # A' L+ [' U( l0 i5 s6 b
$ a! ~& H6 ?1 p, P* `( m. ?1 q$ Plong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. b1 Q9 e* y2 g- y% X- E5 K
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Weed your garden. Some weeds,
: J- j! f% g1 N! yTVBNOW 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% }; l1 v J( l- h
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.公仔箱論壇: E0 {4 M- \- k/ r3 L& `
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Rotate crop locations. Don’t + b! }8 J( l; B6 K/ Q
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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
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' D% A, u( L. ^6 D0 X d公仔箱論壇where tomatoes were grown.3 t* {8 x9 C% p$ ` C& z
4 Y, p& k2 F0 W1 g) F9 VGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.! Q% m( n% {/ W* Z5 y" T
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
5 w! b! ?% k4 C" 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。: I, j8 S! s( c* c
fungus from the soil to your 公仔箱論壇, `1 \) F7 r2 ^" w- w; }2 Q
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plants.
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' Z$ \0 B4 }. X/ wtvb now,tvbnow,bttvbStake 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
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: h, `$ V$ f `. Z" Fcages. 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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& u& n/ t @2 X& _) ptvb now,tvbnow,bttvboverhead watering.
( m2 B% e/ C, C: i0 Y4 `! V( Gtvb now,tvbnow,bttvbAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
: l! Z* t' S7 i w% i, LConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow
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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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" ]- c5 x- G7 w* Cwww3.tvboxnow.comwet. Keep your plants happy and healthy. Weak and stressed 6 Z, e6 f, [5 `4 z/ c
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plants are more susceptible to disease.5 a# s+ N: J5 D
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Remove and destroy or throw away diseased leaves, both off the
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& W$ n. b/ M0 [2 bplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 公仔箱論壇* F% J1 x' `3 T
4 s- X/ e( }2 b- `www3.tvboxnow.comenough. If a plant is heavily infectedwww3.tvboxnow.com6 a& Q! i. p% m7 w' p+ h
# E) l& k6 z/ i2 ?公仔箱論壇, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used * P; m% U5 r1 Z
, P/ s$ T# }# Rto remove diseased leaves should be disinfected before being used on a different plant.
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. K! l4 Q; E# O ` P公仔箱論壇Spray 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 ! k& u; g0 h" \ {5 k0 l9 D# \0 s
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GreenCure.
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, I+ ]& v7 X3 Mwww3.tvboxnow.comLate Blight on Tomato Plants/ n% Z. \$ q8 |6 f. l
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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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4 t; _: F R$ K5 n/ X+ pwww3.tvboxnow.complants in a garden. Once a tomato plant
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9 p5 D s- e* qis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 8 a' r- l, Q7 m$ a0 z- K
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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! H @- w2 I: r+ ]' \% _
: m1 Y# u+ h& P( U P8 p6 N9 B can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and tvb now,tvbnow,bttvb. d; B1 S- u! r, J8 {
4 n: t3 q& D& v5 _" NSeptoria leaf spot infections will also help prevent late blight infections. |