Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 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 ~* D4 h! W2 }& Q
4 U4 W$ G6 b7 s7 w' M6 q8 [公仔箱論壇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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Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 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 I6 X1 p, h, X* ~6 I+ i6 y
/ D1 @: K( ~* ytvb now,tvbnow,bttvbnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown tvb now,tvbnow,bttvb2 r9 O2 b- M: x% m. c
& l% @ n0 `1 O0 W) S7 F3 w1 U$ Jin color and form concentric rings, or a
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0 N2 l1 i' q! O$ d/ Ntvboxnow.combullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 3 c: I% S6 B) c6 u
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leaves may fall off. Extensive loss
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2 \9 }4 D6 r; q& B( `9 xTVBNOW 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.
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How to identify Septoria Leaf Spot
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Symptoms of Septoria leaf spot also start tvboxnow.com+ {! O. {% v$ p; ]
4 ?5 S) L( |: p6 s. Con the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change tvb now,tvbnow,bttvb; i4 P! `; Q7 z$ G# b
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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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! l, ]" q2 _( ~+ j/ cSmall 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 ; L, j% N5 ^' u7 d: k
% X$ G9 l% g8 U6 ]. iTVBNOW 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。and dead. Stems can also become infected but 公仔箱論壇; s4 `) Z& p- @ C2 k1 h9 A5 p
2 s/ t$ B, [9 X8 R& @9 u `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。infection of fruit is rare.
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0 p: |7 A4 o4 X3 b2 t( U/ b& wtvb now,tvbnow,bttvbHow to Prevent and Control Early Blight and tvboxnow.com3 H7 j9 R# a/ Q( D- j I& {' |
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Septoria Leaf Spot
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3 T3 Q- A1 k1 }4 {+ g+ }& F' W 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。Follow the 12 easy steps below to enjoy a
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# y* |\" _8 G2 R5 KTVBNOW 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。long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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0 R3 K3 h# r: P3 w# gWeed your garden. Some weeds, / l8 R5 n9 ?$ |2 f! G# u
& j9 u5 F* j' \( wtvb now,tvbnow,bttvblike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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6 s. P, p' H& w4 d% `( K公仔箱論壇Rotate crop locations. Don’t / p7 ^% ^9 b, T7 O% b% c
N6 i- a; c! n% d" E0 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。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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where 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.tvboxnow.com; a& K3 y! {5 p0 p/ j ?5 Q6 L
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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fungus from the soil to your tvb now,tvbnow,bttvb ~" K; k1 {! F, ?
5 j# ^- H; Q1 P* @$ t" P1 Q! 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。plants.2 I- U/ J* D+ ?- P! ]$ ?' _ Y
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Stake or cage plants to keep them / k; {6 e- }6 c5 S, v
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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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9 a! l" L. t }' v8 acages. 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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5 H/ g' U0 Z: f% @overhead watering.
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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
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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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wet. Keep your plants happy and healthy. Weak and stressed tvboxnow.com% x: N6 D, _, [
9 |1 y/ J, }. Q: b! zplants are more susceptible to disease.
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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 公仔箱論壇( w/ o+ i4 f, N+ h% ]
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enough. If a plant is heavily infectedTVBNOW 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。+ M& X6 {% ?6 Y2 Q/ [0 t
& x! @2 h7 r. p% {5 g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
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1 o, c; T& n' V0 `* q& _$ itvboxnow.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
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5 K! S5 P2 c! O; ^2 @% pspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
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GreenCure.tvboxnow.com8 Y4 u8 R+ f5 ^- u- R: i1 ~
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+ q! b, V: Z3 N& ^5 ^Late Blight on Tomato Plants
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! i& I( `5 h" h% V. ?Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 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。; B' m: B* `$ q9 n8 ^
( @9 o7 N( ^$ Y0 A( ~. n6 Tplants in a garden. Once a tomato plant tvboxnow.com+ \$ F3 r& R/ M0 {# j
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 公仔箱論壇! o+ h, J: k' h4 f) _; [0 c/ h
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。" w3 G7 I# a; ~8 f
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 tvboxnow.com# x- ]# s; ~# r' p6 V# A
/ L; [- k5 J; `公仔箱論壇Septoria leaf spot infections will also help prevent late blight infections. |