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 tvb now,tvbnow,bttvb, D; K( D$ u& T) I3 Y
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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. . e4 }$ ]* W2 G* lwww3.tvboxnow.com / b1 k- i5 m! x7 J8 r6 @+ K9 ^3 `& z公仔箱論壇 8 I) @ \9 E0 w. CTVBNOW 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。How to identify Early Blight公仔箱論壇# q8 x4 K0 c$ v; T/ n6 C0 u) ]) _
8 H4 l$ _6 o ?Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to tvb now,tvbnow,bttvb) Q4 g! c, @6 }5 W
* g/ `# w0 j& U# v% ewww3.tvboxnow.comnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown tvb now,tvbnow,bttvb( f& v; ]2 x: s1 Q% p9 r
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in color and form concentric rings, or a : R* Q! u6 N/ d E8 E5 q 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。 - K6 w3 ~4 v+ ]+ |公仔箱論壇bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 1 E6 b: G8 @0 [1 q' J. 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。( e0 t1 B( L1 c# C( H H, Y) R leaves may fall off. Extensive loss # S( h$ f" k* Z; @4 o4 x. `( ^# k; ]tvb now,tvbnow,bttvb # f1 t! @3 l! c$ |4 |tvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit./ j7 G2 w3 \% j/ \/ ^* X: W, G# Q
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! O! t- m {( F- a# N0 _% PHow to identify Septoria Leaf Spot * _& n. ?7 M. `2 h9 Stvb now,tvbnow,bttvb4 ~! w- C, q6 `, \3 `
Symptoms of Septoria leaf spot also start 0 a* i) u- X0 E
% N* v0 V" R( K$ Xtvb now,tvbnow,bttvbon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change tvb now,tvbnow,bttvb6 V# P% |! X, ]) Q* j
`8 O: b' e2 U! j* F. 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。shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 1 n# y( u: |. x2 \* i
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Small dark spots, the fruiting bodies of the fungus & G3 w( N. C: \2 W0 U8 F, O5 b6 g( O5 N , 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。6 d$ V C1 a3 A6 A8 d: W& E2 L) a
' B5 S& j3 U" G' a" d' 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。plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas tvb now,tvbnow,bttvb! R; X) i7 ?0 c! _6 F6 ~& A
, V& x' [# h/ q, ]4 q5 s- h' S公仔箱論壇where tomatoes were grown. , l* X0 W6 D% `, v. u公仔箱論壇 * i- s- G* m; R" hwww3.tvboxnow.comGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.4 W( ?9 w8 A, T5 F5 m
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 公仔箱論壇5 t7 m4 G* t# c( b6 P
% K7 c5 d; g/ D$ Z7 s( fTVBNOW 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。fungus from the soil to your 1 M+ W" u" G: P: A, R6 S
0 z) t2 c+ g* Y V, d, A- o) wplants.* p# v. k* c9 N5 n2 O; Q$ e
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Stake or cage plants to keep them 8 d- f( h& K, _6 i; p; c" {www3.tvboxnow.com ! n" ?- t/ _4 P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 0 f: c" U0 X& P. v. [4 J Mtvb now,tvbnow,bttvb 2 d( u3 i' f9 X( F% d7 wcages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of : O2 p9 x$ R4 B& k3 P
# u6 |' g2 i" ?8 ^% Q! n5 E3 u0 A1 R公仔箱論壇space above the soil without any leaves. Do not use 7 ?4 s8 |- J2 U. F) _$ ?) [) H! a公仔箱論壇! j7 W y ]1 @+ s
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。5 E( A& s# E x* Y& l8 A
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. www3.tvboxnow.com1 z e; Y6 J/ R4 I/ p R F2 o
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 7 t; V( D, K0 R9 e; S, `
1 Q0 ?1 }3 [8 h8 |3 [4 l+ n, 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。fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are + p% B0 q: N Q+ K
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wet. Keep your plants happy and healthy. Weak and stressed 6 L3 |' a+ A$ v8 u* \- a\" s5 I
7 v) R* {6 D0 n4 t bGreenCure. ' M' z. m) j. ^( ^4 F7 H6 Otvb now,tvbnow,bttvbtvb now,tvbnow,bttvb) D k, [/ Q' x5 Z
/ y3 Z: |) s. x5 g+ r4 |tvb now,tvbnow,bttvbLate Blight on Tomato Plants " `- \2 \, O5 G0 E+ Q3 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。 3 ~3 l0 N& D, J& NLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 公仔箱論壇% y" w9 f5 ]* q5 f- v
+ u# i/ B, Q! O/ K; \4 I2 r. f: 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。plants in a garden. Once a tomato plant 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。8 \, }" G) f& R) F
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。" _- y. C- B |
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 公仔箱論壇2 [4 b: s) E% K
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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 & E: C; X# t- I4 u* etvb now,tvbnow,bttvb& `% _6 e d- L) j' ? can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and tvb now,tvbnow,bttvb4 p: I6 ~2 {) L/ O
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Septoria leaf spot infections will also help prevent late blight infections.
