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。- H, _; Y. C" G0 J( b: ?
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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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! o0 N; M4 g* K+ Dos.tvboxnow.comHow to identify Early Blight
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2 t" i* e" Y. |( {5 y1 E$ _os.tvboxnow.comSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 7 K- H1 k& P, h0 a/ `" Z5 @
# H% c( r2 M' [& L' @ X% nnewer 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 os.tvboxnow.com! ]1 J) o f9 U, U4 r
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow,
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1 {" q& D/ z- pleaves 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。; L6 I; R# |5 |' b6 Q0 `
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.os.tvboxnow.com4 g! S- _ p. X8 U) K& O
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How to identify Septoria Leaf Spot
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4 x0 r y+ x4 I2 ^1 u) Q5 X* }tvb now,tvbnow,bttvbSymptoms of Septoria leaf spot also start
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( v& q- x; F( a% a" P" qtvb now,tvbnow,bttvbon 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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; ?$ a3 I/ {" o. 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。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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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
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\" z$ a+ ]2 ]# B/ k% G! Wtvb now,tvbnow,bttvbinfection of fruit is rare.
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! K: h5 H2 L. a3 T% b# ctvb now,tvbnow,bttvbHow to Prevent and Control Early Blight and
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( x/ ~\" y5 X7 a$ 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。Septoria Leaf Spot
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0 z1 Z/ f) b- [3 y0 b+ h \公仔箱論壇Follow the 12 easy steps below to enjoy 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。- L4 e8 j1 U. H
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.公仔箱論壇- s% w' u0 b, E- j7 ]
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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.公仔箱論壇. P, O: V" i. m8 w
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Rotate crop locations. Don’t
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# b5 |9 ]' z& a) Aplant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas tvb now,tvbnow,bttvb7 }" L5 g' l, c; Y) b7 A
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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.os.tvboxnow.com3 v: s( O1 s: S7 T( U0 _( x
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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# G/ B8 v/ ^; Hfungus from the soil to your 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。+ P4 R. P) E9 {
8 `7 u# j L9 b4 iplants.
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Stake or cage plants to keep them os.tvboxnow.com. `0 N* W+ n5 @. N$ {
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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
' n6 _$ J; U; z* S$ zTVBNOW 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。
) q/ @& l' E+ f" ^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。cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of os.tvboxnow.com8 {/ c+ A# G! V
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space above the soil without any leaves. Do not use tvb now,tvbnow,bttvb! P% p6 b; S3 a, s1 G9 H! v2 v
- e) Q: P$ W$ p& L, ~tvb now,tvbnow,bttvboverhead watering. os.tvboxnow.com) i H( W( ^* B! [) T2 ]2 B5 O, `. `% G
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your 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。/ N+ f0 @& H) v7 y+ _. T. J8 l
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 tvb now,tvbnow,bttvb) `7 `* M$ b5 V, l2 f: m0 b
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wet. Keep your plants happy and healthy. Weak and stressed 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。% N$ W5 Q: R, g
3 e# _: o, K: Q8 P6 N7 M9 b公仔箱論壇plants are more susceptible to disease.
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Remove and destroy or throw away diseased leaves, both off the . q0 u; x- P3 ]3 i7 \
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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 infectedtvb now,tvbnow,bttvb2 p9 n( \% O9 ^& Z. o5 r
5 H) w+ y; @+ S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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3 w3 _; B7 Q7 t. s公仔箱論壇to remove diseased leaves should be disinfected before being used on a different plant.
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9 \2 _6 b2 z6 c3 ~: r* 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
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8 {7 d( y7 ^- C4 A9 A公仔箱論壇GreenCure.
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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。" A! K* l7 x/ J+ h6 O# o8 P# |
Late Blight on Tomato Plants
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8 \" m% ~$ u* c1 p' yos.tvboxnow.comLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 公仔箱論壇" P5 I R7 B7 Q4 [) K
1 g/ z! I5 k% Atvb now,tvbnow,bttvbplants 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& D' H4 S0 M/ U7 ?
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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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( @; Y1 n( d; }8 r: B* e f% Dos.tvboxnow.com can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and
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" A% s5 I6 N* G) n% }3 kSeptoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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