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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
3 G8 g) F& A  S5 s3 V; 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。
* w' E4 X! ~9 w& c: N! E: G. \can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.tvb now,tvbnow,bttvb2 ~$ y/ }" @# O3 J% ?$ r

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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。3 F7 U* f$ b4 L

0 `) I- x3 D+ K7 H( LSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to % @& B6 N9 B: ]! |6 `9 L

1 C8 K$ R, G: x- j2 ftvb now,tvbnow,bttvbnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown
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- U* E$ ~1 R% v/ l7 H* B* Ktvb now,tvbnow,bttvbin color and form concentric rings, or a tvb now,tvbnow,bttvb/ ?1 |6 ?; y3 N6 s1 t
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bullseye pattern
, as they grow. The area around the infection commonly turns yellow. As infections grow, 5.39.217.77:8898% O5 Y/ D6 W0 E/ \' z+ o

4 X" Y8 |3 m7 Lleaves may fall off. Extensive loss
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* H! d, a( `. b9 ]8 w4 r5.39.217.77:8898of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.1 [: u% T) ]7 Y5 C* v4 J

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How to identify Septoria Leaf Spot
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) u# _- z" t: E! m- {Symptoms of Septoria leaf spot also start
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on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change
# j: j  r& k5 F3 u2 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。
: q* Z% p  l% C( Y5.39.217.77:8898shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center.
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; A2 c1 R# U% b5 I$ m0 q* }Small dark spots, the fruiting bodies of the fungus5.39.217.77:88984 _+ B2 Q  w+ r5 J, l
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, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry
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and dead. Stems can also become infected but * y2 T/ P8 @& o. p, i

, Q! ]* G! o! O2 V9 D/ dTVBNOW 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。infection of fruit
is rare.公仔箱論壇0 ?3 q/ a1 m7 m3 D
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How to Prevent and Control Early Blight and
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Septoria Leaf Spot

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Follow the 12 easy steps below to enjoy a
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long season
of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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Weed your garden. Some weeds,
7 ?  [  e& c2 {0 |  h4 g/ M9 ~
4 }* q( z1 K2 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。like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.5.39.217.77:8898% s" f$ j! R) p* }. `* W
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Rotate crop locations. Don’t
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7 d5 z3 V# F" K9 e0 S% Iplant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas " \3 i7 q! H$ t5 l. X8 S
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where tomatoes were grown.
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, a  `$ _0 o0 p, e! F5.39.217.77:8898Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
/ G( _6 I2 k: Z9 [$ l8 gCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 公仔箱論壇: {, g$ ]# F7 e$ m

& o9 z& b( R/ O$ 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。fungus from the soil to your
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plants.公仔箱論壇) b9 c) o: s! ~9 f6 B/ n( M

* W$ a+ i& M$ S/ ETVBNOW 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。Stake or cage plants to keep them
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  t9 R+ _; Z5 [1 L/ S( n2 {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。off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and tvb now,tvbnow,bttvb- R/ C' W, e; T; K9 N
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cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 5.39.217.77:8898/ e1 u! m+ b$ g) X# r# K2 x

5 E7 k9 R! N# z& F) k$ ?& y$ uspace above the soil without any leaves. Do not use 5.39.217.77:88983 S8 D9 ?+ y4 r* u' _2 {
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overhead watering
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Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
' c) X4 b6 d; G, G8 j" PConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow 公仔箱論壇0 B9 U' m# A9 V) `( i# }% f: [
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fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are tvb now,tvbnow,bttvb9 u8 b# j) N# O4 ~

7 N7 ]0 b$ `& W5 s3 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。wet. Keep your plants happy and healthy. Weak and stressed
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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。. I3 g2 _/ B7 H: \4 e: N; X

* s5 v5 n% n' V' m' M6 `; Q. B# J+ otvb now,tvbnow,bttvbRemove and destroy or throw away diseased leaves, both off the 4 U\" u3 u4 y7 p
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plants
plant and any that have fallen onto the ground. This may help stop the spread if caught early
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+ T( ], g' j$ l$ w* ^# v, e% H2 G0 ctvb now,tvbnow,bttvbenough. If a plant is heavily infectedTVBNOW 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( @7 Y: T! d* `
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。( K9 j( {1 R' E8 \0 V( N0 ~& z- m
, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 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 n* o, ?- B+ [8 R  }

. S( n/ ?. z( _4 a* f$ @/ xtvb now,tvbnow,bttvbto remove diseased leaves should be disinfected before being used on a different plant.+ `8 C% t( `4 d0 A2 w6 c

& T6 g# l% L; e! n8 STVBNOW 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 9 o2 R: C: F- q8 d- V
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spread of Early blight and Septoria leaf spot.
Commercial fungicides are available. For organic gardens, try 5.39.217.77:8898# b+ A9 s: a7 L% t  ^" G

- [' z& x) B. D0 xtvb now,tvbnow,bttvbGreenCure.
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/ A) _9 k; N, i; i( D% F公仔箱論壇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。( A* s, \! A* n  ?: v  |: P5 o
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato
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" J$ I! ^9 a! n) a6 F; ~/ lplants in a garden. Once a tomato plant
2 i* p; q- q5 m( ^% G6 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。
& C7 P7 Z$ ?) h) r3 b( 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。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( h- \6 Z7 `. @! W3 f* ~2 n

7 `1 c1 v. f+ t0 _! Uwater-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
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can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and
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Septoria leaf spot infections will also help prevent late blight infections.




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