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 ! _' }8 i4 x) V& w+ [ # i, [. o6 f7 f5 N; D公仔箱論壇can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. 6 ~0 }0 F( }* D; ]4 J公仔箱論壇 & ]5 g, l3 t4 }( D! yTVBNOW 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 ~8 x7 F; r2 M4 F, p+ v2 g @5.39.217.77:8898How to identify Early Blight公仔箱論壇 V( E8 Z* x; E; j5 r2 e1 k
5 W9 s. A. B v7 h. h$ Z
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to $ C- a* W) h+ r n# o5.39.217.77:88983 J/ U c0 X9 [! X4 {5 X9 t
newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown * p H# h9 h* W( P# k 9 d* Q; @1 s( l4 ^1 J4 Yin color and form concentric rings, or a - `) a& I( ?2 [9 I$ ~5.39.217.77:8898 2 B' h; D! \% R* Y* U/ G' U) abullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, ! n7 H$ i: {5 g
9 S: X' ?# U+ c; ?0 s! f5.39.217.77:8898leaves may fall off. Extensive loss 5 [, M0 ]: p* | M
3 y; b3 A5 G# c- otvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.公仔箱論壇% z/ }* [8 n6 g# x9 O9 D
" S1 K% B, K. m9 f& u$ N- z: ]tvb now,tvbnow,bttvbtvb now,tvbnow,bttvb" s1 c$ b4 {" [5 U
How to identify Septoria Leaf Spot, g# N* q4 z1 ~8 ?) A- |
公仔箱論壇+ ?' Q4 O! _: k. D# e- x& f0 d" i
Symptoms of Septoria leaf spot also start % Y5 W& u( P) e/ K/ O! ^6 ?. E* w: btvb now,tvbnow,bttvbtvb now,tvbnow,bttvb5 f% u# s# b9 `# O9 ^
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 5.39.217.77:8898- X+ G/ @# \( d4 }3 n
3 Q/ O6 p: x& J8 w% \5.39.217.77:8898shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. ( {# h9 Z) ~% ~2 R1 N5.39.217.77:88983 f, N) }- K& v4 @+ e. B4 l
Small dark spots, the fruiting bodies of the fungusTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。# t* F& g\" M6 w, r, o5 j& Y
TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。' g: m' p& v& W R+ | , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry # r" Z4 q+ u- D* E- @+ q$ c7 Utvb now,tvbnow,bttvb t$ Y( P$ l" ] A U" M+ J# q
and dead. Stems can also become infected but * z5 E! d( ?0 \ p0 ftvb now,tvbnow,bttvb ' [2 r+ _2 C6 W! w: d. _5.39.217.77:8898infection of fruit is rare. 7 t" l! E0 u' C9 o- s% pTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。5.39.217.77:88987 A d2 Y% Y% b! k* D3 D
5.39.217.77:8898# u5 T/ `) i; A, B" E
How to Prevent and Control Early Blight and & I\" P& N3 k1 S! s5 ?/ {4 V公仔箱論壇 5 M- l, n' t- b3 J\" u\" tSeptoria Leaf Spot 9 K4 i: `3 J0 x, D1 j6 t) q4 |tvb now,tvbnow,bttvb 3 w6 q8 s$ T" i, Ptvb now,tvbnow,bttvbFollow the 12 easy steps below to enjoy a % E2 F2 h7 q' ^4 A3 K公仔箱論壇 0 }7 H# K& N- n. \9 v7 Q5.39.217.77:8898long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes./ S! s* }7 V$ h2 ]( |
公仔箱論壇; \) t6 W6 c& z" y4 F; _ Weed your garden. Some weeds, 6 C% [" B; M) }2 O2 Etvb now,tvbnow,bttvb公仔箱論壇- k9 v) g0 p3 @0 g; a
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. $ R% j+ f+ n z5 b+ F, zTVBNOW 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。 , [. \, Q5 c' L6 V5.39.217.77:8898Rotate crop locations. Don’t 3 S1 }9 J1 k# x. L# e! M5.39.217.77:8898 2 N) ^! w5 ?* h8 C; j3 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。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" U4 Y2 g2 M) Z7 x$ s
2 U3 m c" H9 f5 L" c; x
where tomatoes were grown.8 s1 M h0 S* {! t6 Y- l
/ S6 b& W. N7 ?' h4 ?- y2 H4 x5 t
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.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。0 j7 M) H/ ~( m& S0 d( J' T* V" X8 n
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of : q# L. y# A3 r0 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。 ) F1 y5 P# ^9 T5.39.217.77:8898fungus from the soil to your % M2 \$ ^9 h9 \ 9 W! q& ]- f- x- r5 K# W5 e) r公仔箱論壇plants.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 d% R$ m7 e. u! s& f! e2 R }
& u; G* a' U8 G( i$ G$ v
Stake or cage plants to keep them % G, v- A; i- w* n) P
5.39.217.77:88980 } ] N8 v& A7 b4 o4 A' [* ~
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 9 v! e# O# f0 k# V1 ?tvb now,tvbnow,bttvb . t3 ]0 [ U8 }+ D8 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。cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of . _0 V0 ?- e1 U; X: ~4 z* a, \5.39.217.77:8898TVBNOW 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。0 c. u8 Y! ^+ L; Q
space above the soil without any leaves. Do not use 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。- j7 }, D0 S2 U
: s- H6 M# B' J3 e ~/ doverhead watering. 5 ?! f" u( a5 P, T: ~! K1 vTVBNOW 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。Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 5 Q3 I0 O) ]6 S5.39.217.77:8898Consider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow ! x$ j6 T& i! k1 ?
公仔箱論壇5 M! i7 e5 a, T. L3 w. Z# y' o# x
fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are " p+ H9 `9 @& u$ F6 P4 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。 4 X# f' H7 G4 V' ]9 ]5.39.217.77:8898wet. Keep your plants happy and healthy. Weak and stressed 公仔箱論壇6 z6 o2 Q# _; O4 p$ A) `
0 P$ [- H0 q% _1 ^
plants are more susceptible to disease.( h* `% ]. G5 I! z6 E: f# f* P
/ T* _) M4 X1 y7 l! @: H7 k5 S公仔箱論壇to remove diseased leaves should be disinfected before being used on a different plant. + O' d. K9 L" a9 u4 _, O0 `; B3 Dtvb now,tvbnow,bttvb$ Y u& s! a, Y y) e8 l/ ?( S( E6 E
Spray plants to prevent and control the 8 S# W: P! N2 c ptvb 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。# b, O* F6 G k- j, P N( Z
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try ; _: ~9 Q6 [) mTVBNOW 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。 ! G9 F; F! c: G$ g% C; CGreenCure. 4 n! D& z' w5 g公仔箱論壇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 O7 s4 X' Y, y( D1 S
% T3 t* F2 K, g1 G4 y0 p# t6 E3 W
Late Blight on Tomato PlantsTVBNOW 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( M$ C4 e& v- Q' Q
tvb now,tvbnow,bttvb8 h) C& y* r5 e/ H" F
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato ) | e8 h' q# ~0 m
4 z* [5 J8 ?; e+ Y9 p plants in a garden. Once a tomato plant $ N0 | ?4 ]6 I1 [3 O9 t/ E" g6 ]" i5 f5 G& M" \4 d7 n
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. s' l* y/ R% q/ `9 B
% z& e8 L4 X9 A* U0 A8 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。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 - c# G. T5 w/ k' ^- F- E公仔箱論壇 \" K! s: {) @1 o4 b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 tvb now,tvbnow,bttvb. [% K z$ D* d$ e$ g
* b: q$ y' i9 i! N: w( K' M' @
Septoria leaf spot infections will also help prevent late blight infections.
