Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but ) j% p$ [8 y" }+ C3 \
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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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0 _" N5 q( u1 J) ?* C1 kos.tvboxnow.comHow to identify Early Blight
; ~/ K* I( h# Q& |1 a7 T公仔箱論壇
/ Y6 i& p! p8 t: G+ 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。Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to os.tvboxnow.com1 G0 J- T! x# o: r0 j
9 I: g6 y4 c5 D/ ]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
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in color and form concentric rings, or a
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, os.tvboxnow.com% k0 Z8 _! H) k/ h7 j
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leaves may fall off. Extensive loss
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; v0 @# ]& I/ i4 z% N$ \tvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.公仔箱論壇$ M8 K" i1 C- b; j$ a) q$ |
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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。0 p0 g* d6 h7 j: E" W
9 e u# Y" F9 aos.tvboxnow.comSymptoms 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 % x$ z; ^' e8 T: 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. $ Q2 _: r; Z, M/ F, C9 ~$ f
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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 * ?% I9 Q8 D6 k, P
9 s/ e0 d; S1 W5 Z4 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。infection of fruit is rare.tvb now,tvbnow,bttvb6 K/ C2 ]- y2 t. U5 w; N
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How to Prevent and Control Early Blight and 公仔箱論壇) T7 L* m. `\" s& f$ J; t/ y
5 B9 P- P0 t- u! |/ j\" `os.tvboxnow.comSeptoria Leaf Spot) I, E: H# C! H0 q4 k
! {# s4 H/ B! F6 o5 z8 o* B5 ^tvb now,tvbnow,bttvbFollow 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.os.tvboxnow.com3 @ W! d- c# y3 R
/ Q6 z) q; w; K1 Q6 x+ j- Hos.tvboxnow.comWeed your garden. Some weeds,
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4 T/ K# P. r2 j1 b( 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。like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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0 f. j- E2 [: H3 B; S5 m8 f公仔箱論壇Rotate 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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" t% _0 v$ A) S9 f1 ~* t公仔箱論壇where tomatoes were grown.: M) @. R' V9 e) n" Y" O, o
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.tvb now,tvbnow,bttvb! u% C; p, J% D- I, Z8 m3 `& W; W* Z u
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 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 {! K- W6 e) s
8 H9 C1 o) m9 aos.tvboxnow.comfungus from the soil to your
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plants.
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F0 |! }7 W1 x% z公仔箱論壇Stake or cage plants to keep them
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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
3 _" X. ^# \( R. Z8 QTVBNOW 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。tvb now,tvbnow,bttvb) N2 {$ {+ L: Y: U
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 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。/ P5 e, }# F* `! z
0 Q4 [/ V' h" P8 T a. Ytvb now,tvbnow,bttvbspace above the soil without any leaves. Do not use
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overhead watering. ' f- U" z$ d. G2 q2 X! Q4 `! c
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
* H$ J2 K% Q, zConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow 0 F. o9 @: M: e6 V+ T2 n
( k% J1 T7 t2 U$ H9 r' ~2 mos.tvboxnow.comfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 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。: M+ ?% `' |' ~4 R; R
0 v8 G1 v: d }. d' r% ^' Wos.tvboxnow.comwet. Keep your plants happy and healthy. Weak and stressed
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plants are more susceptible to disease.tvb now,tvbnow,bttvb: y/ S5 ?+ j, }: k, K) y
. E2 l3 p' O9 L' m4 y+ u9 O" |公仔箱論壇Remove and destroy or throw away diseased leaves, both off the 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。\" R9 O* m3 J: i\" d: y6 d* W) T; J
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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 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
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to remove diseased leaves should be disinfected before being used on a different plant.
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Spray plants to prevent and control the * e% G4 T5 C3 k+ x
\" c S% I7 L* U& \5 x\" n1 tTVBNOW 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。spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
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GreenCure.tvb now,tvbnow,bttvb5 U1 t/ s+ ]$ W0 B$ W" |. O
公仔箱論壇 F1 R! W6 {7 R% Q) x( h
& [. D' f( h0 YLate 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 公仔箱論壇; k$ I$ {# ?5 g2 Q* K5 x
( E1 ~8 V" Z9 `6 \. L1 ytvb now,tvbnow,bttvbplants in a garden. Once a tomato plant
* ?* Z5 o; S) E/ o; T, p, Ntvb now,tvbnow,bttvb
* s7 _/ L: e" e9 A/ x) x! RTVBNOW 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。is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, ( ~2 R! T$ M& i R* 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公仔箱論壇5 M6 e2 F' g1 v7 V. J& K3 c
9 R6 Z\" {) G/ N! J2 Q& ] can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and % o% ~' u) i0 L& K+ d' o' x1 l6 D" i9 S
% ?7 ]: _4 y: J/ t% \; A" NSeptoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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