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 + Q$ |; u. N- q8 }8 ? - s$ t! Z! X5 q! 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。can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.1 f& Y& T: K, w1 o3 P5 F
1 u! Q) n% v3 A0 Q2 z- w# f公仔箱論壇 ; [! E$ s9 x2 \) \公仔箱論壇How to identify Early Blight 4 j5 y) M3 A: p9 }tvb now,tvbnow,bttvb5.39.217.77:88980 Y( ~- C! S5 b1 s& U% O" z
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 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 f1 I' f3 F Q6 ]4 b ~* \6 V: G$ U
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newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 7 G! u% V6 {7 Y% W+ d5.39.217.77:88985.39.217.77:8898: q' W$ t* y+ b1 R! ?/ J; z: a
in color and form concentric rings, or a 公仔箱論壇9 r5 w0 r3 ?1 ?# N9 A
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, ! r" A6 L: ^' Q
tvb now,tvbnow,bttvb# ^7 w/ [* n1 G+ e' N leaves may fall off. Extensive loss / S5 v9 y9 M7 F7 ~ 5 V# x1 t9 n# j3 Y6 P# Rtvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.! T: J+ w% O7 X( A1 Y1 h' ^
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How to identify Septoria Leaf Spot0 Y; {4 m/ o( p8 W7 u
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Symptoms of Septoria leaf spot also start 1 u4 G) @2 H0 z, H$ |/ H7 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。 : T8 l! l& H. K" p3 T+ t: d% j9 yon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change . q+ H) Z2 H2 r2 L0 e6 W; d公仔箱論壇公仔箱論壇! T- m& b1 P- e5 _/ w( j# D
shape 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) }+ j( I/ C1 f5 {' H( D. [
0 s3 t( e4 U: V5.39.217.77:8898Septoria Leaf Spot8 Q* c% h; c* } G# N( d
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Follow the 12 easy steps below to enjoy a 7 N' _/ t' ]% ~7 ]) C 6 [/ M) E4 y1 {) t4 H7 G. ltvb now,tvbnow,bttvblong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. 2 v& G; u' O1 S& G0 o- z& k公仔箱論壇 6 a+ k) ~4 v: E, y0 D ^3 {/ PWeed your garden. Some weeds, ' x* ?1 o' k& o0 i' _
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. 3 Z# m) i0 B0 a" J: S # g& i0 |8 n7 S( ]: nRotate crop locations. Don’t ( P' t$ E: D8 D- i5.39.217.77:8898 * F! u. }7 ?0 G5 T6 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。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,bttvb4 {6 y; y Y. Y5 f
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where tomatoes were grown.5.39.217.77:8898. B- ^! g6 |3 d: |( K" V
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. 5 V6 b0 @" O' D, J( MCover 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。2 k' d: ?" c. s$ Q" H+ h
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fungus from the soil to your 7 A7 l" w. @; k公仔箱論壇8 z/ z8 d' I) `7 w1 Q
plants. $ U3 W' s' K4 }% s% _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。 & s( W3 j9 A. D/ W7 R% l2 f& Q5.39.217.77:8898Stake or cage plants to keep them tvb now,tvbnow,bttvb' e$ D* t8 T% P+ x8 v& K- f
8 ~/ @" }2 O6 q% j7 u$ ?tvb now,tvbnow,bttvboff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and . {8 W$ t9 K: Q6 p* _公仔箱論壇: [& l) d- W& v; ?" |6 W. I3 \. C
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 公仔箱論壇* S n0 E- [$ L1 z" P
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space above the soil without any leaves. Do not use \" r8 h7 p\" E% N7 C+ a( y + a, s# r8 v$ r- W# J5.39.217.77:8898overhead watering. 公仔箱論壇- Y& u# a4 o7 X7 N, j M
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. $ T4 Y& j4 c `. X& B3 l
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 3 m- O6 N! J& T& b6 t o
X4 n$ K. B8 F4 R: o3 gtvb now,tvbnow,bttvbfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are ; H! }* k* G: }5 W. S7 Jtvb now,tvbnow,bttvb # {8 O! [0 }: \& ?6 i5 u公仔箱論壇wet. Keep your plants happy and healthy. Weak and stressed 3 b. T6 @ P: Q* K9 v) 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。公仔箱論壇, U5 n( A! I+ J
plants are more susceptible to disease.tvb now,tvbnow,bttvb/ P5 x9 E- J7 D' k) t2 J
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Late Blight on Tomato Plants : C4 \6 m1 H* n/ S( g0 e6 y% s5.39.217.77:8898 / o' {* v# [3 D0 |" Ytvb now,tvbnow,bttvbLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 5.39.217.77:8898& D: _" T W% y6 E W4 k( X* S1 E
6 S/ _4 i8 K7 y( q1 e plants in a garden. Once a tomato plant 1 I& M% I4 A& C2 m
G x& \% N2 T公仔箱論壇is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, # _$ C, p- v$ h+ L; w
: w- x+ q) W8 r; g/ e- P公仔箱論壇 can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 公仔箱論壇) k, m2 D3 n2 ?) a4 |2 G
- S& B1 O+ O9 R" u! [1 o) g. o3 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。Septoria leaf spot infections will also help prevent late blight infections.