Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 0 P/ `+ p' M9 A8 }" h1 y% t
1 w8 ]# T$ { l# b! U0 W) Etvb now,tvbnow,bttvbcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.tvb now,tvbnow,bttvb3 n/ ^3 d- H. @+ H6 N" w
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( s+ g6 I+ g5 M: Itvb now,tvbnow,bttvbHow 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 公仔箱論壇* y! x! H3 n( D9 r) [, ]5 y
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newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 公仔箱論壇& D- i K8 G1 q& x) C1 f
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in color and form concentric rings, or a 公仔箱論壇! ~: [1 H+ R1 @7 `
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow,
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* R" z" j) X7 r) S9 c; n# uleaves 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.# u# \8 E7 u/ w' ~8 j
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7 u. H% l) C) E% {4 l/ ?4 |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。How to identify Septoria Leaf Spot
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0 A/ `+ F7 @, ~2 PSymptoms of Septoria leaf spot also start tvb now,tvbnow,bttvb" k5 q) Q, I! V7 `( f
6 ?. }: r8 F6 a. f8 qon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 6 ?' B; Z7 A- X) A) @9 A
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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. tvb now,tvbnow,bttvb* Q) i8 |9 ?" h
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Small dark spots, the fruiting bodies of the fungusos.tvboxnow.com. O- ?7 M5 D; A' i0 A' n
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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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( @2 z# ~$ ?( [1 W& sos.tvboxnow.comand dead. Stems can also become infected but
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M5 S v/ A: `4 s4 E- G( Y' kinfection of fruit is rare.
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2 ~% q- o' r" F4 ] WTVBNOW 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。How to Prevent and Control Early Blight and
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' d# k, i. n& s, a& Stvb now,tvbnow,bttvbSeptoria Leaf Spot
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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。& C6 t8 [$ E5 b; ?
6 k* y& L- _1 ulong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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3 z0 } C& G; Y# K' ptvb now,tvbnow,bttvbWeed your garden. Some weeds, os.tvboxnow.com- i4 o& o& P2 L' p8 f
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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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- j4 ]2 V) J* j& Ktvb now,tvbnow,bttvbRotate 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 " d2 P: g+ ?1 e8 D. ]
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where tomatoes were grown.
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8 F2 c4 t' s+ O8 C9 dtvb now,tvbnow,bttvbGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
( y3 n/ u7 P- P, K# u( Aos.tvboxnow.comCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
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8 L) ^/ ?/ \3 U _3 c7 Zos.tvboxnow.comfungus from the soil to your ! x( ?& d6 V0 Z- }( x8 ~4 ]
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plants.tvb now,tvbnow,bttvb" \; z( v; O! k* W) ]( v* e" `5 j/ s7 a
Z! k; U. C+ g2 gStake or cage plants to keep them 公仔箱論壇) I e B/ [7 k* \! F/ \
' l% h% K f( K) l' M _! M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
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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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4 I. |; ]6 t! W% Q. Q, p& {公仔箱論壇overhead watering.
! {1 q$ |* J [/ `9 K& ytvb 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.
! W1 Q6 P7 I/ H2 v( x; S2 m1 Ros.tvboxnow.comConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow 1 I/ j4 n) p, D; A6 T. w
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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
, A8 E8 ~# D! d1 W1 _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) V1 q) T% u4 Gos.tvboxnow.comwet. Keep your plants happy and healthy. Weak and stressed - A\" D, {8 z; x4 o7 v8 i% h
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plants are more susceptible to disease.tvb now,tvbnow,bttvb ~7 C: t9 G0 |4 o3 e, Z: R
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Remove and destroy or throw away diseased leaves, both off the os.tvboxnow.com* j) k4 O6 T. O( R
* q+ Y$ N% C# I0 s% Z7 ^2 K0 i- B& Ktvb now,tvbnow,bttvbplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early tvb now,tvbnow,bttvb$ O# } L+ O$ l0 ]. j9 p- x
* b0 [0 d, A! u6 E公仔箱論壇enough. If a plant is heavily infectedtvb now,tvbnow,bttvb: E1 ?$ [+ w' O4 ]7 R' I8 W
0 \2 d; a% q0 @1 o8 _: W3 q( Ptvb now,tvbnow,bttvb, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 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% R8 Q. Y% k% X
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to remove diseased leaves should be disinfected before being used on a different plant.os.tvboxnow.com$ R' M, ?% y; s% X* U$ o0 y
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Spray plants to prevent and control the 6 k( h8 ~2 t: v1 Q* @2 \
1 K9 \% \' {; p$ G. f4 kspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
& H$ C6 m& X8 W7 X公仔箱論壇tvb now,tvbnow,bttvb% I. y# n1 a" Q& I# M5 E- M/ f
GreenCure.
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+ w( h/ I& m+ `公仔箱論壇Late Blight on Tomato Plants8 r3 f; n) y1 e8 Z& D2 R/ A
( k( W7 m4 F3 J' o; J$ RLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato os.tvboxnow.com/ M! m! A, } K6 G; }0 _
$ Q( G$ k- i4 h5 t4 Y3 |/ e! jos.tvboxnow.complants in a garden. Once a tomato plant tvb now,tvbnow,bttvb' A# Z5 i; \; y5 A1 s; S0 y& s; b
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, ) H; t- J- b7 r6 |+ j
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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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: x$ d\" Q9 A) M2 G6 j7 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。 can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 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。# K2 i! s3 z; x) A+ l5 [
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Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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