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 / l2 x/ l8 r- U* x1 O9 u
& x# s" K9 `1 Q# S8 R9 W5 Dcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.www3.tvboxnow.com: h6 n! l- W3 \. r) ~- [' o
& L4 N4 ^8 h+ K. h; Z公仔箱論壇 ! l# h" L: d; X ]" T& A! r" h公仔箱論壇How to identify Early Blight , q' B! M2 B) N. W) G: @www3.tvboxnow.com % s, J: Q7 x! K9 ktvb now,tvbnow,bttvbSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to l0 j; E9 E8 s- N
& A1 G+ I, ^- Y- Q0 d6 v* b! E/ |公仔箱論壇newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown ( k; I: F7 v" ~+ {1 g
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in color and form concentric rings, or a 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 r\" `$ [9 R; O% K& P' B) @
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 公仔箱論壇. y5 q7 G# R/ D& v; k+ t4 k6 H
3 ]2 c9 h$ \4 O) n" Z4 ttvb now,tvbnow,bttvbleaves may fall off. Extensive loss 9 X, u0 n5 ?6 Y% i6 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。 + y2 |3 C. E3 f' R5 ~of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.tvb now,tvbnow,bttvb; q) @) J" n0 U0 d
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How to identify Septoria Leaf Spot' i1 G% p7 ^8 S' Y6 _
8 P! D, E% _; N9 e$ ]Symptoms of Septoria leaf spot also start tvb now,tvbnow,bttvb5 m p8 `$ O' l w3 w) C. d
' M4 _& s; b 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。on 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# L/ Z4 E" s' N' J
8 o0 u8 x2 l; s# w7 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。shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. www3.tvboxnow.com3 _5 _$ t9 f2 m$ n4 \! G
6 T7 q' L+ i2 r3 u/ \. \公仔箱論壇Weed your garden. Some weeds, www3.tvboxnow.com. w" O8 ?2 k' |+ A) X& S
/ y% ~1 u9 X5 p( 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。like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. - X. v; _ o( v4 \% U2 Zwww3.tvboxnow.com % P: @$ X3 c0 ^8 s. 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。Rotate crop locations. Don’t 2 i) `- R7 W& m. E/ l# r + R' q8 f+ J" |/ G) ]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。plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas $ g) b* P* w5 g# W# u ~9 }6 L # I |* t/ v& z" }/ S, x- |* ^公仔箱論壇where tomatoes were grown. 9 \2 q1 H( ^3 u0 p# B3 l 3 ^# c. I& K7 W* G/ p, 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。Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.tvb now,tvbnow,bttvb& Y; @# @4 {1 S. E1 k& ?8 q
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 2 k* z0 I# m& M4 j7 m% f* Y; 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。公仔箱論壇1 ]8 n. T+ h" `- D9 c
fungus from the soil to your ' u& J8 o) W @. M( u公仔箱論壇 8 a, u/ E1 k9 ?7 D& s, f* Mtvb now,tvbnow,bttvbplants.www3.tvboxnow.com7 E1 \ v+ ~, V. e, M- q
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Stake or cage plants to keep them : Q9 f& z( {# p4 K 0 g% _/ I% m/ J0 I2 [+ X) K* Q5 rwww3.tvboxnow.comoff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and ) U* U/ ^8 R K1 z5 Ptvb now,tvbnow,bttvb, o# J9 a& i" k3 J1 @
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of www3.tvboxnow.com" f5 R4 D y5 J" u! _! Y
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space above the soil without any leaves. Do not use ; @/ h. u\" b3 ]2 Y- Btvb now,tvbnow,bttvb ' t0 Y2 g/ g6 g ]% b$ K3 c2 Hoverhead watering. 7 X. \: U: o9 V( r1 K, n' BAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. www3.tvboxnow.com2 c. D1 r K. ]% n. p. t
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 www3.tvboxnow.com2 G5 P- Z3 V) H# t+ J" Y$ p8 n8 C
( C; n1 `( o4 N& o% nfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are " r3 h g, V" A
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wet. Keep your plants happy and healthy. Weak and stressed 公仔箱論壇' C\" B6 @) M% ?2 E7 x! D
* [7 L0 W c; k. @! ]* P公仔箱論壇plants are more susceptible to disease.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。+ c2 Q- J0 C( O# x7 o3 J
( c, a( {$ f7 s% bwww3.tvboxnow.comRemove and destroy or throw away diseased leaves, both off the / w# Y0 T6 w' s+ `
& U' l( N9 Q' Bwww3.tvboxnow.complantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 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。+ J3 |1 l4 U. ~; Y5 |. z. ]
# l6 O: N6 K+ P% \7 ^Late Blight on Tomato Plants - g$ w/ X" {& ]5 S$ `4 ITVBNOW 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。! @; `0 g4 v& m
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 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。9 ^: T+ |2 u( ?) N: K4 y- G2 Z
公仔箱論壇5 q! k1 ]- K+ R# g% W plants in a garden. Once a tomato plant 7 D4 m: o$ e+ T' v5 _ " l! T( }, W5 Z; _% t- Lwww3.tvboxnow.comis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, C4 g* q( _0 P+ t6 uwww3.tvboxnow.com' z8 N/ |5 S0 R' P- @
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 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。& `2 z5 J _1 x/ r7 e
0 A- b! F) P7 C# @: F2 o6 I6 c/ W can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and * r7 n8 [) K$ \* q 3 h! h; d$ U4 E6 M* Y0 wSeptoria leaf spot infections will also help prevent late blight infections.
