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 5 M M6 B' w7 [6 ptvb now,tvbnow,bttvb5 _7 K9 {& n, {9 h; e( ~; O- B
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. 3 w7 |( i2 [3 V& t1 N1 X1 Y0 r, \1 vtvb now,tvbnow,bttvb ' G1 w2 h4 k. a aTVBNOW 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 r4 a) L, B: e- K: z4 w. ~! O5.39.217.76How to identify Early BlightTVBNOW 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! l, s/ ~: U4 z c
* c, g- D; e- e6 i5 H5.39.217.76Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to ' E. t0 l& E+ `6 K5.39.217.76tvb now,tvbnow,bttvb+ a. w% A: `; b
newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 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. |! y( k) D# K
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in color and form concentric rings, or a 公仔箱論壇7 b0 `: s7 a' Y) G\" u9 @
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 8 ^* {$ [! S5 K! H8 [7 o+ i. w ! n8 q+ J$ L/ U5.39.217.76leaves may fall off. Extensive loss % j0 C9 v, ]7 N2 B% s 7 _. n+ u4 B( x6 f4 I9 Z- P( Wtvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. * q4 H2 k; v3 ctvb now,tvbnow,bttvb4 j( \$ s4 j' r r& z
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How to identify Septoria Leaf Spot ) m# _1 @( a9 G5.39.217.76 . q. M: W' X7 ?1 x5 w9 l# k+ P公仔箱論壇Symptoms of Septoria leaf spot also start - s# L! M4 B) m5.39.217.76 * f: y& v: ]) K, G9 p公仔箱論壇on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 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。: v1 ?. V( m. f; w
6 r. f. O1 V; O5 Zshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 公仔箱論壇$ L) ` I& A# k
1 I9 Q4 i' G& alike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. 7 O# s2 @) ~: `& ?6 x5.39.217.76TVBNOW 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。/ c7 T" k& K5 J! [/ g3 ~1 e* N Rotate crop locations. Don’t 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。 i5 P8 E; X( }4 \- { z
/ j; C2 L( t/ q* i2 G! E6 xplant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 公仔箱論壇5 c, R* e2 [) ~4 z" Z& x
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where tomatoes were grown.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。: U/ G% O% v7 u+ E6 d9 p+ S
) E3 J/ e9 f, ^, ^ m! c: t) `7 k5.39.217.76Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. % y) p; n- ?. _7 K5 i- {; L* p7 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。Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 0 G) H; A2 r* I8 H# |& D7 B
' I5 v# b3 |0 B& j/ Qtvb now,tvbnow,bttvbfungus from the soil to your 9 g" t9 ]& Q$ `' 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。 # L5 t! O: t; x7 [* N4 n8 P3 dplants. & g3 c4 M9 x0 r5 }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。 2 P* I1 f9 _, p8 p4 x( \0 q2 D+ xTVBNOW 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。Stake or cage plants to keep them $ ~/ S9 s5 X- _/ X5 q8 b& x5.39.217.76 4 \! Z7 A ?: @$ o' nTVBNOW 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。off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 6 }; `; _6 M9 V% W/ J公仔箱論壇 ) x" m4 `* g7 g' e4 E4 N# }8 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。cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of % X) C- S: L# L- d* H! y/ 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。5.39.217.762 O) r1 c2 M/ h9 W3 ^; _
space above the soil without any leaves. Do not use a. n3 L\" o& X- i+ i) r, y% l
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overhead watering. 公仔箱論壇. g v$ w. D& O! W. A4 g3 K
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 1 k: o' }' u' O0 Z" A- D公仔箱論壇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 + } ~2 j" J9 ltvb now,tvbnow,bttvb5.39.217.76$ q! U6 B/ X$ r0 p
fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are " @$ Y) B* G* q' c0 k
' ?7 |) q2 Z+ g3 ?wet. Keep your plants happy and healthy. Weak and stressed ) O6 N; a/ ]1 H# B2 V
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plants are more susceptible to disease. 5 x. U8 L6 R$ Jtvb 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。+ y+ z* Z% ]% n3 }$ j2 r4 a* ^7 Y
Remove and destroy or throw away diseased leaves, both off the $ H: p* y: @ K0 Z' ^# U w; N# x4 Z \" H$ L* J& c- I& W\" e9 Ctvb now,tvbnow,bttvbplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early / v. Y" l) _/ x& Z
5 ? }* W' b9 Y' a: t1 C1 nTVBNOW 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。 ! W3 R' [; _$ S3 X; TLate Blight on Tomato Plants + u# D& J: ]" m1 p+ G, ?5.39.217.76( o/ V/ W I1 }# S
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 1 o9 m' q% C c, {3 W5.39.217.76 4 N: _" f( E( O" Ctvb now,tvbnow,bttvbplants in a garden. Once a tomato plant tvb now,tvbnow,bttvb) Y4 [0 S) Q+ C; y! T
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, # A5 C# ]9 W6 l( ^# [1 y. y5.39.217.76 9 w v2 q4 F/ K( I- R5.39.217.76water-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 o5 L\" H+ E3 b0 ]1 {' a
: A\" q' r6 ]# a; N+ j\" F can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and ; D3 r0 ^# T/ O& h1 {, 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。6 S- S( Y. n9 i5 ~; U. X1 \
Septoria leaf spot infections will also help prevent late blight infections.
