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[生活小百科] Early Blight and Septoria Leaf Spot on Tomato Plants

Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 2 ^/ w* x% [$ I9 H3 U: G* c

1 i* X( P- }% O0 Ocan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.
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5 [* k+ N" J2 C* }% y# Cwww.tvboxnow.comHow to identify Early Blightwww.tvboxnow.com7 O9 W) U2 ^5 x: f. u. k; C5 |

# t4 f9 W  ~% w0 C" GSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to tvb now,tvbnow,bttvb% \! K0 _/ H% E0 G5 N

. i" |$ r6 M; U: ^& g3 tnewer 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。; k& g" i2 t& O0 Y+ u0 k
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in color and form concentric rings, or a www.tvboxnow.com9 ^7 U- [/ \) X\" T7 r2 ?! [  k
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bullseye pattern
, as they grow. The area around the infection commonly turns yellow. As infections grow, 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。- F6 J* z" p  Q) w- n- q

7 G' N5 d6 X, Z0 b9 n+ {公仔箱論壇leaves may fall off. Extensive loss tvb now,tvbnow,bttvb0 u/ e. N: _( s' P; r: r' M

# x& \9 A7 m/ R0 C- ]% a8 }) I公仔箱論壇of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
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7 A* F) B3 Z6 U! j4 J7 l+ q; eHow to identify Septoria Leaf Spot
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Symptoms of Septoria leaf spot also start 公仔箱論壇5 i) |" [, M9 X2 j' Y- `
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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 www.tvboxnow.com7 Q0 c9 X/ y0 `( N0 {/ ~. c, O

/ w/ T! p# m) T( c+ n0 E7 l3 ~- x" |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.
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& b: s% }" R. U  Y) [6 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。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
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and dead. Stems can also become infected but \" I3 F& Q, P- C* a' r; E/ z3 @! l

3 w; i6 T. R; C0 a8 P5 D; Z公仔箱論壇infection of fruit
is rare.www.tvboxnow.com' C' [; L- L* F2 R' _
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8 C! M( q! o6 P3 O% Mwww.tvboxnow.comHow to Prevent and Control Early Blight and , r* s( n4 L5 g9 x\" g$ D# o0 U
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Septoria Leaf Spot
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Follow the 12 easy steps below to enjoy a 公仔箱論壇0 I2 M1 A& }+ F$ R\" J( Z4 {
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long season
of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
1 E/ X: t! C5 w) u  K8 Q0 S2 s( 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。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。% _( p& m# N) A' g9 ~
Weed your garden. Some weeds,
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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: |. c2 m/ e( _$ d2 ]$ fRotate 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
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where tomatoes were grown.tvb now,tvbnow,bttvb/ y; ^6 f* c0 }2 B4 l2 E0 h

1 ~  w" h8 F' u5 p1 T) Ltvb now,tvbnow,bttvbGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.tvb now,tvbnow,bttvb5 [; i* }& ^# ^/ K$ @1 d! Q
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of $ {$ o& c5 t( C7 R

7 D) |: o, E2 U! f# |tvb now,tvbnow,bttvbfungus from the soil to your
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plants.
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' x3 Y5 V, q$ Atvb 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
5 i: b6 g3 H8 PTVBNOW 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。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 s# S" G& o% M. M
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of
$ E' Z% g5 \* y& j4 y公仔箱論壇
/ _0 A( ]! s3 K- y. o+ g2 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。space above the soil without any leaves. Do not use ) H- V* Q* o% a

6 J; `. G5 b: {% 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。overhead watering
.
, L6 H! K2 m- @, v  ztvb 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. www.tvboxnow.com  t7 ?9 p1 \6 |; u4 z
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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/ y' @% B. S* awww.tvboxnow.comwet. Keep your plants happy and healthy. Weak and stressed 公仔箱論壇7 d$ V: Z\" Y  N- y\" a

\" j* p+ w2 {$ {- z+ {9 nTVBNOW 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
are more susceptible to disease.tvb now,tvbnow,bttvb' P7 N& Y& ~. L8 w/ H

8 j5 B3 f+ f$ L5 w) g$ ~www.tvboxnow.comRemove and destroy or throw away diseased leaves, both off the tvb now,tvbnow,bttvb/ D# w+ F4 U$ k; Z/ h! y; `+ S
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plants
plant 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 infected
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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
* p- l( e- z: J' B2 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。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。+ Y# i, f; p7 ?1 L% D, @2 ?$ ?
to remove diseased leaves should be disinfected before being used on a different plant.. u# A5 U* j8 r% j

6 |$ ]4 \/ \( t* {4 _& v4 pTVBNOW 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。Spray plants to prevent and control the 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 D, B2 c' T. S\" G
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spread of Early blight and Septoria leaf spot.
Commercial fungicides are available. For organic gardens, try tvb now,tvbnow,bttvb2 v0 W# z: k/ ^: W

; L. b! x* |& r( j/ A# w) s* W/ ktvb now,tvbnow,bttvbGreenCure.
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, H$ `8 ^6 L( v7 Q, I8 _www.tvboxnow.comLate Blight on Tomato Plants
3 H% W3 Q9 ]# a) {/ T/ Pwww.tvboxnow.com& f9 O* \9 ?2 I9 ^- j3 {
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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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4 P- @  |/ q7 }

5 N# r9 p  g' T1 ]( p; 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。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 6 e& L; x/ e& u& @7 N

8 f4 h# D' m" V: [% J6 q: JSeptoria leaf spot infections will also help prevent late blight infections.
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