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。- P3 N2 ?) d8 t2 T/ R
6 P* ?, k& h1 X- E* ?" t$ F! Jcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.tvb now,tvbnow,bttvb5 b. T0 K& i6 T* |/ u$ c
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) X A' l- j9 K: T* r- nHow to identify Early Blight* x; V7 K8 Z7 {4 i1 a; q; g
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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 os.tvboxnow.com2 N8 Z, u. m+ S6 n& X$ ^, l
" \) \' v9 L2 ?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 公仔箱論壇1 S" Y3 f* d" K, N, V
$ p; L5 Q4 Y9 ^1 d. T3 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。in color and form concentric rings, or a
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* I9 a+ f, I: V! g( Y9 ~! X9 dtvb now,tvbnow,bttvbbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, $ k4 s! O$ F" P" v1 ]
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leaves may fall off. Extensive loss
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! m1 `/ Q G; u' [of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
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/ e1 z1 j2 L3 ~1 e( r: @! \# Ctvb now,tvbnow,bttvbHow to identify Septoria Leaf Spot
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8 x( M e) @. w4 S" \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。Symptoms of Septoria leaf spot also start
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( r0 O4 O" S P1 V4 ?* i) rtvb now,tvbnow,bttvbon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change os.tvboxnow.com+ }! e. p) }" V+ d- o
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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. & ~( U8 O4 J7 g$ j' S% L {/ Q
6 {/ ]: r( n( d0 u+ d# ~+ u3 t( J2 p公仔箱論壇Small dark spots, the fruiting bodies of the fungus
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2 v, p4 {: ?+ A\" v4 r* p! N% u, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 7 W- p/ z. v# F3 v
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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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Septoria Leaf Spot
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Follow the 12 easy steps below to enjoy a
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7 w; a Y* T9 t# G0 J$ j. Mlong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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Weed your garden. Some weeds, , Z5 f, u2 q8 }" u9 p/ q5 g, L( b
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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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! {9 y# W* B/ d1 etvb now,tvbnow,bttvbRotate crop locations. Don’t
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; K& R4 F) A% q& E% w Tos.tvboxnow.complant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas
, i/ n* Y& r4 V3 [# Z% |公仔箱論壇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。7 W ^0 b, P, R: q# K* ]. ?8 I) c% d
where tomatoes were grown.tvb now,tvbnow,bttvb ]* w+ _& y8 V6 J
: i$ c) u2 v- ~4 J* oGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.& Y9 d2 G3 g6 n/ T
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of
: |% X5 J* D* f$ c5 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。公仔箱論壇7 _+ Z5 L: V; j' @7 q
fungus from the soil to your
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- j- O, q5 R6 ]3 F& f5 _公仔箱論壇plants.os.tvboxnow.com) f( s/ n1 v( K. D/ [
2 \4 S, O- M; [) r( D1 e h- vos.tvboxnow.comStake or cage plants to keep them
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# E8 n: ?4 E, g% |off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and , m" w/ S$ {' e, Z0 G
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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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% r2 U: z6 S* O s6 M0 B公仔箱論壇space above the soil without any leaves. Do not use 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% n0 k) O; Z2 Y2 H6 m
# F3 R4 f/ c1 \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。overhead watering.
& W$ \5 _; j+ J' L& W- h2 z( ~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。Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. os.tvboxnow.com" V+ p. J% E& k0 ^
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 $ Q1 W7 ^, [0 m" \( h* i0 n7 |% z
) Y6 R, h0 m1 m( O9 O% tos.tvboxnow.comwet. Keep your plants happy and healthy. Weak and stressed
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4 I7 {\" y$ o; sos.tvboxnow.complants are more susceptible to disease.* A7 \3 U. _8 O( w) q; ]5 I
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Remove and destroy or throw away diseased leaves, both off the 公仔箱論壇2 X. s* [3 l) u ~$ u, ]- u
1 O. P4 g4 h0 ]- Oplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early tvb now,tvbnow,bttvb, a% ?9 o3 y* i
4 M) Y9 B6 n# r+ 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。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) b5 o; A! n1 M- a2 e( o, b8 U' k1 m
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to remove diseased leaves should be disinfected before being used on a different plant.: }0 K9 O, ]: A3 j. ]: \, t
8 n6 z* i" C: T6 C' I公仔箱論壇Spray plants to prevent and control the tvb now,tvbnow,bttvb+ O/ P$ @- K, m- o K
7 f- U4 t, i\" [) x0 otvb now,tvbnow,bttvbspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
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2 M* d: R8 t# A6 e3 y% V% \$ f公仔箱論壇GreenCure.
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1 h B+ A C, x- ?; utvb now,tvbnow,bttvbLate 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 . V- l1 f9 Z# K/ J; U
) ~& a h! D( T2 c/ o: H公仔箱論壇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, 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. `' n2 y( R
! I$ [# s4 W( [2 U* Vwater-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
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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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