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 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 n( D7 N3 R6 f2 d
) v1 L! K8 y, X3 N. kcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.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 P. o- ~9 {& w) E( D" H( l2 x" K* x
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/ A% Q9 }; O5 V( j1 m) {+ A& O) RHow to identify Early Blight 1 r7 e$ g6 v0 w* F7 H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。/ F0 t, O2 f2 w3 ?. ~3 R2 I
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to : w0 L/ f/ ~; T7 M- J: B: M
0 ]6 c6 C* H- l6 @: E1 [+ ]9 A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 ( X, l& ~$ |( U9 K5.39.217.77:8898公仔箱論壇+ U. {; D) }; ~9 v: o0 e9 s- K
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 h; L0 B1 z; l\" B; d
& V5 |, K3 f7 g; ]$ B, Obullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, tvb now,tvbnow,bttvb5 x" b& m u9 Z. h; Z+ |# f e
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。* B9 Z2 Z$ O) T( F+ a leaves may fall off. Extensive loss ?3 N, g8 H* G! J; f3 _/ \ 7 @& U" _' Z7 b% X5 Tof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. ' a% i: m1 I7 S, E0 d- T( }0 D5.39.217.77:8898 ^3 Q( Z* N5 J N" g7 R5.39.217.77:8898tvb now,tvbnow,bttvb( A J* z' Y; t( c2 B+ {
How to identify Septoria Leaf Spot- H9 o& O3 _1 {6 ~- T U' p
/ S$ ^( b# A) a# p* J/ A% }8 atvb now,tvbnow,bttvbSymptoms of Septoria leaf spot also start 5.39.217.77:8898; ]( V4 u/ l; H
& R( Z/ w' B, d8 Z: k1 B1 b9 qtvb now,tvbnow,bttvbon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 公仔箱論壇7 Z, p4 t, S, H
tvb now,tvbnow,bttvb# ]9 V& Q7 Y+ t5 \- A4 Z E
shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 5.39.217.77:8898# d! U, j. @" z6 {
+ m- w8 h v; t( M/ I. ?tvb now,tvbnow,bttvb ' M$ _, d5 }0 |& Q5 e* O5.39.217.77:8898How to Prevent and Control Early Blight and ) F. v+ c1 q6 n* m5 ^tvb now,tvbnow,bttvb公仔箱論壇. S0 F% ^& `6 x0 Q* s
Septoria Leaf Spot: N# j# C2 H0 q
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Follow the 12 easy steps below to enjoy a ! V* m) ~, I- h( K\" W2 W, O
公仔箱論壇2 c' x: y# w9 W3 L
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.tvb now,tvbnow,bttvb: r3 R R+ A2 @7 y, }6 \
" ?. a( g4 F5 L' U a) a$ a* M Weed your garden. Some weeds, * S4 y. H" J% L9 N! e" ^/ T* 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。 6 B1 m+ E9 v" x3 n' [. a公仔箱論壇like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. 4 g( b1 R! l4 `# _2 L, Q0 }tvb now,tvbnow,bttvb , }7 b3 ]' ?- R5.39.217.77:8898Rotate crop locations. Don’t / [2 K# y% _6 e0 T2 x. `8 i$ E
$ Z. F- q/ p( r! [% y+ r9 ^4 Y3 p7 dplant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 8 @7 W& @! g. P# a* Z5.39.217.77:8898 5 V+ D! z; {! w5.39.217.77:8898where tomatoes were grown. 3 o( S" G$ |4 ~5 j4 y% htvb 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。; U" @2 o* {" @7 r
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better., ]$ S0 `! Z$ l" |$ W! d+ e4 r% g
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of ( K) L+ N! o+ a* n1 q: j" x
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fungus from the soil to your 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。) D+ s S2 V( T: j
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plants.公仔箱論壇4 L. C2 Q o1 y `4 L6 Y* ^
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Stake or cage plants to keep them 8 p. Q; R8 l& o# O- @4 v# ]1 `- f , n( P9 y1 K5 k* @- [: `) poff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and & M3 n2 E) c5 U9 A4 q9 a2 m5.39.217.77:8898tvb now,tvbnow,bttvb8 q; K$ w3 }* l/ K4 u
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 8 B1 `% r/ t+ P/ l5 L ( s6 l, p; N; R8 V$ 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。space above the soil without any leaves. Do not use 5.39.217.77:88987 s: v; k# U3 J\" [# O
9 u& w: K, n8 {: |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。% ^$ E& A, `- Z; b" P$ t
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 2 h) Z, G, c( \2 q) d: 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。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 % p: a5 v# o- V" D
7 k) w& G" a! `+ @9 penough. If a plant is heavily infected 0 f' N# X1 |\" S# H* \6 T1 w8 D ' C z8 V+ H+ I6 h3 _8 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。, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used & L. X$ k' o, ] & B# d7 m1 M! C* w* Wto remove diseased leaves should be disinfected before being used on a different plant. 8 s# p; _2 Z, L, p, H* {. ntvb now,tvbnow,bttvb # o8 M6 q) M- L" w8 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。Spray plants to prevent and control the . k5 E7 b3 a* F2 o$ e公仔箱論壇+ u- F9 J! b% Z; x) E
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try / r" l5 _0 R& C. I jtvb now,tvbnow,bttvb 6 j! G; W$ ~/ m1 q0 n3 \5.39.217.77:8898GreenCure. + e1 K0 y( I3 y1 I/ K* S5.39.217.77:8898 ' y/ u6 K2 Y& J, a/ I2 C3 A公仔箱論壇1 W b' t( E: q9 h) _8 }( @
Late Blight on Tomato Plants) A. p4 Q. Q2 d4 z
Y$ M) O& x4 f5 c公仔箱論壇Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 5 i/ l7 ^1 E/ D0 z; x: kTVBNOW 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 q% K- n) Y9 i2 Cplants in a garden. Once a tomato plant & `5 E# a4 z; `/ ? t1 d& B5.39.217.77:88983 z& R% N8 k' X( j
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 3 X- R* c9 z, I8 H- u8 e
Q& A! f8 a3 ?' Hwater-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 blight5.39.217.77:8898( l. C, k: t: j4 A
- U# j! b3 E, A1 ~ can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 2 l. z$ B% ]: K" b
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Septoria leaf spot infections will also help prevent late blight infections.