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 8 E$ Y5 [' y5 e. J0 @tvb now,tvbnow,bttvb - T' J8 _* c" c) ccan start at any time. Infections can occur anywhere and are most severe in wet and humid areas. 7 _3 X4 w0 {- N; N) {: v5 N8 ]tvb now,tvbnow,bttvb % }7 P9 L! m8 p! sTVBNOW 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 B% i" j( t; m- [* K0 V9 Q
How to identify Early Blight ; z% ]7 a: F' }7 R6 _8 Y) E - k! a: Z1 w$ ?( l; Stvb now,tvbnow,bttvbSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 8 r9 s1 ~0 a: xtvb now,tvbnow,bttvb : a9 L9 ]0 W* s. i0 ?6 h5.39.217.77:8898newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 9 r, J& g* D& E
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in color and form concentric rings, or a tvb now,tvbnow,bttvb2 e% M) V8 c$ P v* C' v( J
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, & V6 S! O+ o( _( l/ Y4 ~8 ktvb now,tvbnow,bttvb + E# k% Z1 w/ t# t% b# y2 R( z公仔箱論壇leaves may fall off. Extensive loss " Z! T: ~5 ?! d1 H$ X; n
* F# h. w4 U+ \7 L, p- j! ?: wtvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. 5 X) j& Z8 k' e$ g0 \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。. m+ Z @) |& R ]* |+ T
d9 }: c8 r2 V& c ltvb now,tvbnow,bttvbHow 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。1 X) A5 [7 D; S0 N3 _
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Symptoms of Septoria leaf spot also start % \$ m( ^! _$ 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。5.39.217.77:8898" ~. t. I4 I! f# U' I3 j; W
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change " M: c. q4 F# K& p6 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。 7 I6 C# G& ^6 W2 rshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 5.39.217.77:88980 [1 M: J/ r$ S) ^& b, R
% o% K: w2 ] S. Mtvb now,tvbnow,bttvbSmall dark spots, the fruiting bodies of the fungus 6 J- J) |' _7 p( n 4 r2 T, F2 B0 J) Z5.39.217.77:8898, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 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。# E0 @' U- b" [# B$ H. z
+ e$ k1 Z G8 C% e0 |# Ytvb now,tvbnow,bttvblike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. 5 X& `: m" S- f, s1 STVBNOW 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 T# a3 K8 f" o! X3 k4 F% T# eRotate crop locations. Don’t 2 Z V4 Y$ R) n8 f3 m
. L! M2 q: m- ~5.39.217.77:8898plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas / A6 v& w( M. d7 ^* P N7 I公仔箱論壇 / Y6 x2 G9 E3 g9 a- Z! ^9 mwhere tomatoes were grown.$ p g H6 d6 [1 i
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。" D# q0 @- r8 u
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. " p; Z4 o: h8 t% V. 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。Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of ' J8 K! o9 k; ~
% I$ b1 j) J+ |, |3 d" e5.39.217.77:8898fungus 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。) H" {1 H/ f5 P3 P
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plants. 1 z/ h( R! h: M; Ttvb now,tvbnow,bttvb7 n% h: p$ T r
Stake or cage plants to keep them 5.39.217.77:8898% V3 S' b8 w) p) q
0 ?& p( b9 K( u$ Z2 } O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 5.39.217.77:8898* W ?6 i" I/ g3 G, z6 ]! a
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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 5.39.217.77:88984 s3 B8 e, Z- i9 {
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space above the soil without any leaves. Do not use / r k% F2 i* n& P' M5.39.217.77:8898TVBNOW 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。% h+ m1 @2 d1 K6 {) y5 l\" M
overhead watering. 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( p' o' B# i3 [1 V/ H
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 公仔箱論壇1 n) @2 R: L2 v0 e) P
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 # x5 ]1 N& ^9 p% Y& j
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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 - b* L- s. i3 l) K- k/ D5.39.217.77:8898 & M- q' g6 n% r, ^# HTVBNOW 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。wet. Keep your plants happy and healthy. Weak and stressed % o6 d. H H# ^
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plants are more susceptible to disease.) Y8 {9 ~' [( p$ z* k
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Remove and destroy or throw away diseased leaves, both off the + M4 Z3 K\" o1 u\" |# 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。 . g! z\" T2 O8 |/ 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。plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 0 j0 R. r7 _. R- b ' y7 [9 l6 c# ?/ ^公仔箱論壇enough. If a plant is heavily infected 8 n/ y/ u1 `( k6 P% z0 Y5.39.217.77:8898tvb now,tvbnow,bttvb4 W0 j+ ]* M7 ]# ? , 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# n% l0 P1 P% ?# R
% g# J% ~6 N! W) p- H$ F6 s$ tspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try ( L7 V+ N. `# l6 Ptvb now,tvbnow,bttvb 2 }( K5 p0 L3 ^' S' w4 d! ]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。GreenCure. ; R% R1 I( e/ k$ V# otvb now,tvbnow,bttvb/ m8 V" F4 N% `/ N
- b7 O$ n2 q" ?& b: `8 H% H/ Z& p公仔箱論壇Late Blight on Tomato Plants公仔箱論壇0 v/ S3 ~; g/ K' S$ D7 x
9 j6 }$ ^0 k1 P9 ~6 O+ x4 x8 `, Y7 z/ rtvb now,tvbnow,bttvbLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato , [) h/ h$ T" _+ \
0 a! N+ i0 ~+ Z9 M' T' W plants in a garden. Once a tomato plant + X. `7 l- \* R) ]( o% j! h6 J" VTVBNOW 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 {3 W }% Y; s& |0 }& z u
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。' j$ W) b. f4 @
5 h: K d% N) g" [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% ?; x& [: ^0 \0 e. D
( m/ i: \( V; i2 ]+ S can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 5 t' ?- e8 O2 r; Q/ o+ [! r7 U
) e0 Q U7 S9 k6 _, F# L1 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。Septoria leaf spot infections will also help prevent late blight infections.
