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

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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。, a# s: V' ]6 w  s* K; n
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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。5 Z0 m0 r2 e7 E2 X0 t
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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。8 H/ t+ E. }6 v; K; U+ s

( d8 X6 k. Z4 I5 W公仔箱論壇newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown tvb now,tvbnow,bttvb$ W9 Y8 K( j+ L
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in color and form concentric rings, or a 公仔箱論壇! R/ N( F+ k) z/ b9 K1 b3 e+ ?: t) U

* Q+ r) \7 Q6 o7 g9 ~tvb now,tvbnow,bttvbbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, tvb now,tvbnow,bttvb4 B4 K# b8 i8 T! R$ z& a* h
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leaves may fall off. Extensive loss
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.3 L2 @8 s# A- ~' U! l
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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。: R; D- h! |" K' W! ?, Q2 G# K
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Symptoms of Septoria leaf spot also start
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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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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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infection of fruit is rare.
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How to Prevent and Control Early Blight and
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\" H5 `3 ]4 S- V9 i9 Q( p% iSeptoria Leaf Spot公仔箱論壇4 s, ^+ B# @4 A

* A2 q3 u3 g/ |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。Follow the 12 easy steps below to enjoy a
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.tvb now,tvbnow,bttvb& l% X  G. r9 h! x- \

. _1 S" C; K) K1 X1 f2 |Weed your garden. Some weeds, 5.39.217.776 T" N1 q9 K5 s) X
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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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+ g# s' |: ]* G# ~3 qRotate crop locations. Don’t 公仔箱論壇$ n  u. p- Q( f
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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 公仔箱論壇  s0 m; E5 \- Z2 B! I( r8 Y

  k9 t! f0 _+ R7 Q0 rwhere tomatoes were grown.
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: q6 |+ w' a2 p( `' U9 u6 F3 l; JGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.tvb now,tvbnow,bttvb& q, {- a! f/ ^' I3 B- h
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 5.39.217.778 Q/ F+ |' j3 n) v
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fungus from the soil to your tvb now,tvbnow,bttvb+ q7 b7 a4 v( R' n

% T) H  {+ ~, v) cplants.
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Stake or cage plants to keep them 5.39.217.77; j. l$ f. L+ f- x  _% I4 a
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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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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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space above the soil without any leaves. Do not use
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overhead watering. ) J8 z) Z: t" h/ \# g" b; r
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. + R  e' o2 F, I6 H. `0 r
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 2 V0 O6 N0 ?( i1 {
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plants are more susceptible to disease.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。) w+ `5 `# Y, O- f
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Remove and destroy or throw away diseased leaves, both off the 2 U' y, ]) b/ Y& v1 n% q

/ t8 O! m: w# w3 ^3 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。plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early
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" `6 h2 M) g$ ^5.39.217.77enough. If a plant is heavily infected\" ?. @6 F9 w6 ?9 k$ g) p
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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 tvb now,tvbnow,bttvb% s' p5 O! y; e/ i8 J( o, |

# ~  X( T0 F) R2 c$ ~  R. Rto 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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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 公仔箱論壇% E1 H( c% W- K4 o5 E. _# _: H

7 f. H5 s2 [+ X$ @3 N- f5.39.217.77GreenCure.
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7 c# }% w5 O5 ?& O5 u- w! N$ G' ]公仔箱論壇Late Blight on Tomato Plants
/ D: l4 {# |* p/ W$ x! ~5 @& 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。
& h# Y1 J* ^3 k) d8 e' t2 gTVBNOW 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。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 公仔箱論壇# Q. E- U5 C/ d9 b# u# q9 m

* X* X4 M- q, {8 K; G, Q4 ~$ J9 wis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small,
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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: n2 r, E' @+ H9 i# x2 W; y
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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.