標題: [生活小百科] Early Blight and Septoria Leaf Spot on Tomato Plants [打印本頁] 作者: 6t6t 時間: 2019-4-13 05:03 PM 標題: 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 H, S- K. g' 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。, _% L5 s5 z9 v7 @9 j5 E! b+ ~
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. 5 B3 ^+ `, R' _' |0 A; U! f1 z9 u9 Z& m/ \
( G# r3 K& _) t$ _, E+ U; ~6 |% bHow to identify Early Blight公仔箱論壇# [- Q. {, h* z) s3 b! k8 i
3 h5 z- }4 p4 F* d( H9 T: [公仔箱論壇Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 1 ~ C! H& _3 R% R$ Y& 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。1 V0 W1 X5 h, @0 \( A
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. Y( D: R+ C7 z% l$ B
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in color and form concentric rings, or a ! S5 _; I8 M& S. }, e' u公仔箱論壇5.39.217.77:8898 |3 I8 E9 o3 O X3 w
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, % _/ ^' T0 n7 l6 \1 B$ 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。 5 x; P: ~' ~( x1 W% w+ z2 i公仔箱論壇leaves may fall off. Extensive loss 公仔箱論壇/ s% I% k3 u7 ^' [7 O0 b: [; b
- }, Q5 Q6 U$ N" Mtvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. % S* c( Z7 n. ~( c( v& E# y( I1 P ! h7 ^* k7 `* s3 g8 I4 stvb now,tvbnow,bttvbtvb now,tvbnow,bttvb1 h$ Z: E* L# n+ y
How to identify Septoria Leaf Spottvb now,tvbnow,bttvb; X4 a1 K+ p0 O# t. {0 S
; r L( h3 `& M- }7 v5 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。Symptoms of Septoria leaf spot also start 公仔箱論壇& Q- l9 x% [! x- Z
0 e$ M2 D9 ?% ~$ z5 @, t+ ?9 won the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change tvb now,tvbnow,bttvb/ ~ ~' M2 t, s; S j
" h9 ], [, ^: l" r: p! _8 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。shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. . M- q; { q$ p& z5 ]* n1 C- f q1 c- ~6 p% i* U
Small dark spots, the fruiting bodies of the fungus 7 j- o8 e8 S2 M% W8 y& j8 }! ~% k# W: W\" ] , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry - r; t% h- e1 t2 I, {3 `- b8 N5.39.217.77:88981 ?$ U& i- l$ I# B# ^) z7 A" l/ X+ i
and dead. Stems can also become infected but + l/ y, B2 M# Z! e6 H 3 r: p S8 H4 b/ _, C ^公仔箱論壇infection of fruit is rare.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。1 v# |9 n. I' {5 c
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How to Prevent and Control Early Blight and ! x: Q. K& s$ D3 Ztvb now,tvbnow,bttvb 5 Q8 l4 @) ~6 v* Z+ ]8 YSeptoria Leaf Spot ; j9 _6 l2 `- v. }公仔箱論壇 - J9 N+ H6 p+ w' y, f( p8 sFollow the 12 easy steps below to enjoy a # W U f, H\" d* b M% O9 N * ^0 l1 B1 h\" n: w+ I1 d: w jlong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.. D/ T! T! S( R' |8 D8 w i' M
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 r9 k" u( ~ {1 @, ? Weed your garden. Some weeds, % I1 ?. A; g g4 C* ztvb now,tvbnow,bttvbTVBNOW 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。# _- f; w' Q+ L8 J# f
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. $ s& e* z8 S8 C5.39.217.77:8898TVBNOW 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 d! k2 j1 f/ C% e Rotate crop locations. Don’t ' U$ T, `* @8 k2 R7 c: c! q5.39.217.77:8898$ y$ X# o0 H/ L; l$ B+ k, K% s" O+ ]
plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas . ~& q. G9 L" \
8 f6 Y+ z9 D$ A8 ^) Ttvb now,tvbnow,bttvbwhere tomatoes were grown.公仔箱論壇' |- [4 p6 R2 O) y
7 X3 V: `) ]! @/ w- r) K公仔箱論壇Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.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。( O5 ?. q1 [, S9 o4 F- L
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of * l6 g0 i( N& Y& J6 `
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fungus from the soil to your ( Z% N- B* ^- d公仔箱論壇 7 d S% H5 D$ W7 ]2 Y$ V. Xplants. - P% A9 y+ g- V' n$ O5.39.217.77:8898 & d* @: Z" c% atvb now,tvbnow,bttvbStake or cage plants to keep them 0 ^4 G' ^$ Q' z+ Z5.39.217.77:8898/ O+ h; E, Y, z7 t6 x* t7 j
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 公仔箱論壇% @. y. _6 E% g, ^( N
' v" @9 c$ D8 @" N# ^9 i% bTVBNOW 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 0 _6 h1 R% o" R; Y6 K公仔箱論壇 8 M ^, u# q1 Z4 c' R2 ]公仔箱論壇space above the soil without any leaves. Do not use 0 ]# q+ C7 k. X# b , y4 w& U' F$ P8 C a0 {overhead watering. $ V7 l, o& W2 u5.39.217.77:8898Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. ; o7 ^0 M$ @2 _0 wtvb 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 公仔箱論壇: h6 h ^5 X; e( f5 {
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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 1 ~2 e$ t- ^+ K3 g' T) f/ S+ R5.39.217.77:8898 ( m- [0 B4 ^# e& {. rwet. Keep your plants happy and healthy. Weak and stressed 9 y* N- Q& Q+ L\" g' n/ P
# {, ]; [# ] V: @plants are more susceptible to disease.tvb now,tvbnow,bttvb, \1 R& H s6 M- R% Y, @$ X' ~1 X8 t
9 @* q$ V! F. K, D( l+ \/ Zspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try , o1 y; a C! ?, L5 _" z ) [! `, E; i/ }0 o5 e6 wGreenCure. 1 x/ @$ W. S: j5 K5 Z( b! q & p( a+ ?1 x* p+ ]5.39.217.77:88981 a/ S: p& O3 {* K J4 L
Late Blight on Tomato Plants 6 ?" q5 x" t0 H6 Z2 G/ y5.39.217.77:88985.39.217.77:8898# R% u+ Y! Z& X+ R
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato & s0 E# }0 \* D4 }3 u B" I) P公仔箱論壇 5 n- ~% @: @( O+ ]1 N7 ?; h) Lplants in a garden. Once a tomato plant 公仔箱論壇+ K' C! K& H1 j+ c" e# 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, 6 n! c- x$ e0 g
) o8 }1 Y( F9 v; Y0 A$ L# Awater-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 $ p8 o3 J& I1 e: N) W U' o& mtvb now,tvbnow,bttvb; m+ M\" d2 ~& o can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 7 x# _! A& f- O( W5.39.217.77:8898- q2 L. V1 x+ }2 k8 E
Septoria leaf spot infections will also help prevent late blight infections.
