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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 " R% [/ n0 U  y# i6 g
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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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( \4 ~3 {6 V8 e+ y. |9 f+ v* n公仔箱論壇How to identify Early Blightwww1.tvboxnow.com1 j0 a) |! }; S+ q' g

# j/ |8 x- z0 N2 l: N% ]- O, y, iSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to
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- K* i! s* L$ I' L- `' Ltvb now,tvbnow,bttvbnewer 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。8 m) C6 K; X  C4 [( p  O

" t# w- V$ c% r6 U0 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。in color and form concentric rings, or a www1.tvboxnow.com* U\" U( {0 @; e9 _# @

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, as they grow. The area around the infection commonly turns yellow. As infections grow, : p0 ~' j1 T4 U( r
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leaves 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。3 A5 V, n% z, N$ W

8 g2 P1 i7 F- M/ H$ Z  LTVBNOW 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.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。2 S: H+ n' I( ^- b0 i1 _
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8 U9 M1 q2 u5 [! Q& v0 \/ {How to identify Septoria Leaf Spot公仔箱論壇/ |4 \: r4 p7 ^
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Symptoms of Septoria leaf spot also start www1.tvboxnow.com! M+ U$ g3 y! h% l9 W! a" ?7 n. H: o

7 ]- l1 H4 s, v: @8 F+ `公仔箱論壇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. 9 D' ^3 k: A' R/ p/ c
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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 3 K9 k$ T/ Y8 Q0 y' V
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and dead. Stems can also become infected 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。) U  [' |0 q* i$ c% ?8 I

/ U6 Z4 R9 `- x) ~tvb now,tvbnow,bttvbinfection of fruit
is rare.8 U  a. [1 _# \( e2 ^

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' a7 j. F$ o: d5 [. Ctvb now,tvbnow,bttvbHow to Prevent and Control Early Blight and
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Septoria Leaf Spot

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4 _- _9 d$ Y$ ?1 O- ~8 h0 [5 }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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9 Q/ ?. e# M* n! }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。long season
of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.www1.tvboxnow.com; N# F" R# T- `" |+ S
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Weed your garden. Some weeds, 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/ a6 V; g/ ^9 K( P$ @# P1 p

6 U8 O' r3 N0 z6 h# t) |www1.tvboxnow.comlike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.公仔箱論壇5 v3 f3 I' E( g& n) `7 c

; z4 w& @  a2 i# r0 X  oRotate 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.5 K' n; v6 j0 s

7 ~$ R2 P: J0 j( @公仔箱論壇Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
; X. n+ C7 i1 F+ `7 E9 R& {公仔箱論壇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 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。. j! b9 ^0 ~, F% T% x; v& J

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Stake or cage plants to keep them 1 |& ?2 m7 h" s; z; X/ g

9 K, j- Q3 \( B% R+ u- n, n公仔箱論壇off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and
  E$ F. i/ @# 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。
: P$ e" T! G- A0 W8 L9 Y( a7 @4 `& A, 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。cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 公仔箱論壇) p5 m7 T7 O) m% P1 Q7 J3 J1 f
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space above the soil without any leaves. Do not use
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overhead watering
.
- g( l. n# Q5 s6 h3 E公仔箱論壇Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
/ s0 c  F. ?: s' q9 U; K. etvb now,tvbnow,bttvbConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow ' w2 z: t4 E9 L) a7 N

4 e+ o% ~% v% c! Kfungus 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
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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
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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 公仔箱論壇' W1 I+ g2 ~$ Y; Y
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to remove diseased leaves should be disinfected before being used on a different plant.公仔箱論壇2 @5 C) P  U8 b  R2 J" W
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Spray plants to prevent and control the - m9 W9 D9 a9 s9 \

, Y9 R- v: _) H) U0 kspread of Early blight and Septoria leaf spot.
Commercial fungicides are available. For organic gardens, try
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, V4 |+ o' c. \+ D* i7 V0 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。GreenCure.
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7 L3 k: W  _; ^+ v" m: jTVBNOW 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 _$ V, D9 `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。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
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plants in a garden. Once a tomato plant 公仔箱論壇0 f. ~# H$ z, M8 Q' F. V
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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。6 G5 C2 I3 T: }' O' ?

2 ^$ |" h/ c+ [0 Kwww1.tvboxnow.comwater-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 ; n' |8 G% D4 j& i/ \
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Septoria leaf spot infections will also help prevent late blight infections.
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