Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but % j; [% k+ i- O3 B8 L
/ {' s- s$ \8 L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 Blightwww1.tvboxnow.com: j b0 ^5 _9 b, Z: ?# u& Y: ]
. R6 I7 c) r. q2 H: _4 F, X1 Z( D; jtvb now,tvbnow,bttvbSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to tvb now,tvbnow,bttvb6 X2 _; ?; s8 ?4 j& F
7 v2 a+ x+ C) U# t" W, aTVBNOW 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
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in color and form concentric rings, or a
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) j2 [* V% e( x& ?\" S7 jwww1.tvboxnow.combullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, www1.tvboxnow.com- v6 F0 U2 r1 P
@* ]+ Z1 Q' ~9 F- [9 q$ P( ~$ eTVBNOW 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。leaves may fall off. Extensive loss
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( w" C9 Z* s, R/ Z3 R' {% E$ pof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.tvb now,tvbnow,bttvb7 v+ K! R8 j1 g% Y% c' J
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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。7 V0 y: |* \- H4 C. O
. l+ j6 y+ N7 A3 q/ q& e4 ?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 Septoria leaf spot also start $ o" N2 B3 z. E& | y# e
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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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7 d$ Q4 W5 B$ Z% g" N% e5 ]tvb now,tvbnow,bttvbshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. tvb now,tvbnow,bttvb6 t6 W/ x# c3 ]5 W/ X5 |: F6 d8 h J- G$ `
) a" M) m2 e4 F5 Ptvb now,tvbnow,bttvbSmall 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 8 o4 g, n% a6 m) F- [ V
: p S% |+ F. J/ dwww1.tvboxnow.comand dead. Stems can also become infected but s6 _0 h1 K6 G1 r3 ]/ I1 S
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infection of fruit is rare.tvb now,tvbnow,bttvb7 R: E3 l" V8 P9 T V0 ?
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How to Prevent and Control Early Blight and
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Septoria Leaf Spotwww1.tvboxnow.com; C6 C$ n3 G" ` h# x+ f
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Follow the 12 easy steps below to enjoy a
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1 _- R5 H) j) i3 e4 N) BWeed your garden. Some weeds,
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" \4 S8 D+ T0 w6 ^公仔箱論壇like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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; R- v. }4 n$ Wwww1.tvboxnow.comRotate crop locations. Don’t $ f u1 W2 N4 u t, B# {+ _* {
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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
7 M/ a8 I# ?, N3 {- O& 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。
0 o# ~% Z! V8 i* P/ u8 twww1.tvboxnow.comwhere tomatoes were grown.tvb now,tvbnow,bttvb( a D! p8 n% K! B9 q* `
8 Y" y" Y3 o7 m, V2 `6 ?% x& K1 M公仔箱論壇Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
" S, C1 ~5 P. S" ^1 b+ q QCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of www1.tvboxnow.com* s8 O' E) l! G/ {
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fungus from the soil to your
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3 S/ E" t( P2 E1 ^www1.tvboxnow.complants.
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! P* }3 k$ R0 X+ ~* w公仔箱論壇Stake or cage plants to keep them
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' d6 F q, h; a. loff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and % k3 |" h4 u8 H3 w. R1 K3 {
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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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; V. |5 G0 e7 }$ Y4 z, {7 k/ F* Fwww1.tvboxnow.comspace above the soil without any leaves. Do not use
/ A2 {% P0 g 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。
9 K! u- Y1 M7 e# R% ntvb now,tvbnow,bttvboverhead watering.
: _, n0 V( ?; | C- E' ETVBNOW 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。Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. www1.tvboxnow.com7 M: a9 I: t& g; I2 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
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) R+ K' l! p# {6 t: h5 W2 [3 U公仔箱論壇fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are - T$ p; i( H- r5 b
t5 N; U2 b1 s5 n7 swet. Keep your plants happy and healthy. Weak and stressed tvb now,tvbnow,bttvb+ m1 ]: c/ q. N
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plants are more susceptible to disease.
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Remove and destroy or throw away diseased leaves, both off the ' L6 t& D- w, g/ c$ C+ a/ [4 \
( q2 H) i4 G) y+ Hwww1.tvboxnow.complantsplant and any that have fallen onto the ground. This may help stop the spread if caught early
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+ _8 i+ a7 r/ I8 |) Venough. If a plant is heavily infectedtvb now,tvbnow,bttvb% V6 U' |7 p( |4 k
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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 www1.tvboxnow.com C1 I9 R* E0 m
. o0 c* N, u5 |! ?8 L& b- j# Nto remove diseased leaves should be disinfected before being used on a different plant.
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( o$ X' E8 {% I+ ~$ S0 f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 1 l, _* L1 e: p
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GreenCure.% j |3 ` n7 p* ^6 D
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Late Blight on Tomato Plants
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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。( r; n) [+ v5 C
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。) m. ?0 g9 S! {" }( i1 g8 q8 e
plants in a garden. Once a tomato plant
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. j1 [4 n) ^" Q' D& l/ q公仔箱論壇is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 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。- {. z- {$ P" `) L
) e) ~5 h4 f: I% H" ]8 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。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 blightwww1.tvboxnow.com* K3 l& I0 N8 r7 l4 q/ E- ?& P% ^
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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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Septoria leaf spot infections will also help prevent late blight infections. |