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 - Y6 ]+ h+ w+ 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。 $ t1 t% s2 M- H% `3 xcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.) ~* w- P# j/ j- p, N3 g+ ^% ^0 J
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How 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。6 p* q% X7 B/ I4 m4 t2 s. I
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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。3 ~ Z# r) c/ J: S, i$ K) X
8 R/ E& f* x. j9 `newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown c1 J, l) r- w/ X
) o# c% i, H3 p8 m公仔箱論壇in color and form concentric rings, or a \" j\" R6 F* o$ v' N0 i/ j5.39.217.77:8898 1 z\" ]- h, ]9 ~2 E/ W) a/ c9 `bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 3 c; l* Z. U6 a \' c; z, Qtvb now,tvbnow,bttvb公仔箱論壇& i! [- d m6 a7 m* H" ` leaves may fall off. Extensive loss ; z; \* _$ e* Stvb now,tvbnow,bttvb. p# L# p6 ]! S9 W5 p+ \3 X) n( h7 H
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. 8 g" e* j9 ?- T3 f, @) k5.39.217.77:8898公仔箱論壇" d; K1 d, {/ c, F
/ W; ~7 z/ v9 }) R) _: n v8 O公仔箱論壇How to identify Septoria Leaf Spot5.39.217.77:8898' }1 I6 |2 B z
4 D/ E8 g D: B2 `: p$ z5.39.217.77:8898Symptoms of Septoria leaf spot also start 5 T$ @7 |8 t4 n3 n0 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。 5 p4 K9 @+ P7 c2 W2 }, ~! ~on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change - @8 q$ C4 R' K: E- |; G) Utvb now,tvbnow,bttvb 8 R5 X' A* q8 Q$ Etvb now,tvbnow,bttvbshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. % ?4 y7 ^0 y" y # w( g0 ]6 r9 M2 Y公仔箱論壇Small dark spots, the fruiting bodies of the fungus公仔箱論壇/ b' T' G' f& \\" W5 I+ J1 e$ t* p/ d
, Y& ]- c' Y' p( [2 D, J公仔箱論壇Weed your garden. Some weeds, % X2 i0 ?2 y# q3 H% _) E; E3 K
4 \ ]2 C2 A) X5 l7 s5.39.217.77:8898like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.tvb now,tvbnow,bttvb1 n/ E3 ~! F$ W0 n; c. `' z2 b, ^
, b% f0 |5 p1 SRotate crop locations. Don’t tvb now,tvbnow,bttvb: ]2 H; ^+ @0 D7 P( g
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plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas ! ?; b8 F" x) g, A" n公仔箱論壇 & Y; O: O: E- _, c公仔箱論壇where tomatoes were grown.公仔箱論壇1 b" Q& K. g# a* U
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. * R! S4 ~. n6 h% E; ~% f0 W( TCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 3 l2 p/ \' Z0 t* U" P( g
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fungus from the soil to your 3 w6 O& O; c; e2 y! @* }. d- }公仔箱論壇' K' R, W. ]( E3 G+ O/ g1 r7 k9 k) y4 f
plants.公仔箱論壇: d6 n; M2 ~3 }, J0 m& F% c$ R# L2 a
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Stake or cage plants to keep them 0 T% i9 b' g+ m N4 K
. [! T1 F6 X7 E5 W( W. L4 Woff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 5 ]3 L+ u3 M2 G( Ntvb now,tvbnow,bttvb5.39.217.77:88983 h, [& a6 v" W" i9 O8 R
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of tvb now,tvbnow,bttvb1 q9 R1 j/ k4 ^4 s: c# R
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space above the soil without any leaves. Do not use 1 @) F+ Q8 m+ F4 o2 i+ K# m2 q) S% m9 j. e
overhead watering. " B+ x) D7 {! A! p8 HAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. & k$ H' u& t0 P T" i h$ h5 P6 w) ~tvb now,tvbnow,bttvbConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow ) U1 |$ [* t& e8 k0 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。; M( V" _8 u6 [0 W0 H
fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 5.39.217.77:8898" ?1 S& d6 Z, @- {
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wet. Keep your plants happy and healthy. Weak and stressed 5.39.217.77:8898( E3 C* j4 o4 ~9 V3 y6 G1 x
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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。( k2 k0 H; b' L
! d7 y. d! _' r2 r. f5 i; 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。Remove and destroy or throw away diseased leaves, both off the & ?& r/ g( w( L! F0 z
/ s$ i\" \) y% B6 \: l6 W# Qplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early tvb now,tvbnow,bttvb* [4 r* d f0 ^8 w! P; ?. q
. L U0 H2 ~* ?\" h5 a' V, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used : f, D$ `! y+ i9 Q' V2 `5 H
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to remove diseased leaves should be disinfected before being used on a different plant. & ^, D5 y" ^) P1 q5 ^; u: 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。7 }3 ^8 H# k; O: v# z* p- ]% c
Spray plants to prevent and control the tvb now,tvbnow,bttvb! U1 @6 y6 Q {* h! `/ ?. v
5 K6 t' Y, p+ [( q ~. rspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try $ P, F c# w5 e! {' t5 }! 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。 * d0 c" T& T2 ~' a1 EGreenCure.5.39.217.77:8898 c+ R0 ]* u e7 k, R
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9 z5 b( A. y, ]/ o- U8 fLate Blight on Tomato Plants5.39.217.77:8898$ v: k' Z7 _' }9 z$ _' r' k
4 q; n3 {1 ]- K5.39.217.77:8898Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 3 l' E! w5 k4 P1 u5.39.217.77:8898TVBNOW 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。) w" B0 h! e& ] N; {+ l plants in a garden. Once a tomato plant tvb now,tvbnow,bttvb3 d. D7 ^4 K3 y& c% s. M5 P! ^' F
) e; ?3 C7 S( M0 @3 His infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 9 T& E. k' H& }' b* b. I4 w- L0 z5 X. G0 t9 i7 v
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 blight5.39.217.77:88987 y* c$ G1 ~' x' Z4 o
L0 ?5 }' z8 T$ m8 t7 ? can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and " J# Q5 _8 ^1 t4 l# P- [0 Q
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。/ q! n2 v5 z; F9 H6 d
Septoria leaf spot infections will also help prevent late blight infections.
