Flower structure of lauki

chhabra61

Download

Post to :

URL :

Related Presentations :

Add to Flag Embed

Views: 70

Category: Education

Presentation Description

No description available.

Comments

Presentation Transcript

Slide 1:

Floral Biology of Lagenaria siceraria (Mol) Standl Bottle Gourd BOTTLE GOURD © A.K. Chhabra © A.K. Chhabra

Slide 2:

Field View 1 Flowering in cucurbits normally starts in about 40-45 days after sowing depending upon the weather conditions.

Slide 3:

Field View 2 The node number of the first flower is important and more so the number of the first female or the perfect flower. This is an index of earliness of the cultivar.

Slide 4:

Flowers View 1 The sequence of flowering follows a set pattern. The first 4-6 flowering nodes would bear staminate flowers and later pistillate flowers appear in few nodes in the main axis and the secondary branches in cycle.

Slide 5:

Flowers View 2 Female Flower In a typical monoecious sex form, the number of male flowers produced are in far greater proportion than female flowers

Slide 6:

Flowers View 3 Male & Female Flower Buds Male Female Calyx Corolla Ovary

Slide 7:

Flowers View 4 Male Flower & Buds Flower Bud Fully opened flower

Slide 8:

Flowers View 5 Male Flower & Tendrils All are male flowers First few flowers are always male flowers

Slide 9:

Flowers View 6 Male Flower & Tendrils Sepals Androecium

Slide 10:

Flowers View 7 Male Flower Bud: CLOSE-UP Deeply lobed five sepals are fused together Corolla Calyx

Slide 11:

Flowers View 8 Male Flower Bud: CLOSE-UP Five united petals, deeply lobed, imbricate and are inserted in the calyx tube Corolla Calyx

Slide 12:

Flowers View 9 Male Flower Bud: CLOSE-UP Five united petals, deeply lobed, imbricate and are inserted in the calyx tube Corolla Calyx

Slide 13:

Flowers View 10 Male Flower Bud just after opening (from top): CLOSE-UP Five united petals, deeply lobed, imbricate and are inserted in the calyx tube Corolla Internal petal External petal Alternate petals (3)

Slide 14:

Flowers View 11 Male Flower just after opening (from centre): CLOSE-UP Androecium

Slide 15:

Flowers View 12 Male Flower after complete blooming (from top): CLOSE-UP Androecium

Slide 16:

Flowers View 13 Female Flower Bud The female flowers are comparatively fewer in number than males.

Slide 17:

Flowers View 14 Flowers View 2 Female Flower Bud: CLOSE-UP Five sepals are fused together Ovary Sepals Petals

Slide 18:

Flowers View 15 Female Flower Bud just after opening (from top): CLOSE-UP Five petals are free or slightly fused. There are three carples in syncarpous condition Carpel (3) Petals

Slide 19:

Flowers View 16 Female Flower Bud after full bloom (from top): CLOSE-UP Five petals are free or slightly fused. There are three carples in syncarpous condition

Slide 20:

Flowers View 17 Flowers View 2 Female Flower Bud after removing petals CLOSE-UP Forked three stigmas

Slide 21:

Flowers View 18 Flowers View 1 Female Flower Bud after removing petals CLOSE-UP 2 Forked three stigmas Style Ovary

Slide 22:

T.S. Ovary Ovary in transection showing placentation.

Slide 23:

T.S. Ovary: Close-up

Slide 24:

Androecium View 1 Three stamens, united in a pair, the odd one remaining free. The stamens may unite by their whole length or by their anthers only. Each anther is two lobed and anther lobes are sinus (twisted like S)

Slide 25:

Androecium View 2 Three stamens, united in a pair, the odd one remaining free. The stamens may unite by their whole length or by their anthers only. Each anther is two lobed and anther lobes are sinus (twisted like S) Filament Anthers

Slide 26:

Androecium View 3 Three stamens, united in a pair, the odd one remaining free. The stamens may unite by their whole length or by their anthers only. Each anther is two lobed and anther lobes are sinus (twisted like S) Filament Anthers

Slide 27:

Androecium View 4 Anthers remain fused with corolla Stamens Petals are deeply lobed Petals are fused at the base

Slide 28:

Calyx & Corolla: Female Flower Sepals Petals (one cut away to show the shape of sepals

Slide 29:

Corolla Petals are deeply lobed Petals are fused at the base Male Flower

Slide 30:

Calyx view 1 Male Flower 5 united deeply lobed sepals

Slide 31:

Calyx view 2 Sepals Petals (one cut away to show the shape of sepals Female Flower

Slide 32:

Fruit view 1 Elongated

Slide 33:

Fruit view 2 Elongated

Slide 34:

Fruit view 3 Elongated

Slide 35:

Fruit view 4 Round

Slide 36:

Seeds view 1

Slide 37:

Exercise Label the Pictures Yourself

Slide 38:

Exercise © A.K. Chhabra

Slide 39:

Exercise © A.K. Chhabra

Slide 40:

Exercise © A.K. Chhabra

Slide 41:

Exercise © A.K. Chhabra

Slide 42:

Exercise © A.K. Chhabra

Slide 43:

Exercise © A.K. Chhabra

Slide 44:

Exercise © A.K. Chhabra

Slide 45:

Exercise © A.K. Chhabra

Slide 46:

Exercise © A.K. Chhabra

Slide 47:

Exercise © A.K. Chhabra

Slide 48:

Exercise © A.K. Chhabra

Slide 49:

Exercise © A.K. Chhabra

Slide 50:

Exercise © A.K. Chhabra

Slide 51:

Exercise © A.K. Chhabra

Slide 52:

Exercise © A.K. Chhabra

Slide 53:

Exercise © A.K. Chhabra

Slide 54:

Exercise © A.K. Chhabra

Flower structure of lauki

Presentation Description

Comments

Presentation Transcript

Slide 1:

Slide 2:

Slide 3:

Slide 4:

Slide 5:

Slide 6:

Slide 7:

Slide 8:

Slide 9:

Slide 10:

Slide 11:

Slide 12:

Slide 13:

Slide 14:

Slide 15:

Slide 16:

Slide 17:

Slide 18:

Slide 19:

Slide 20:

Slide 21:

Slide 22:

Slide 23:

Slide 24:

Slide 25:

Slide 26:

Slide 27:

Slide 28:

Slide 29:

Slide 30:

Slide 31:

Slide 32:

Slide 33:

Slide 34:

Slide 35:

Slide 36:

Slide 37:

Slide 38:

Slide 39:

Slide 40:

Slide 41:

Slide 42:

Slide 43:

Slide 44:

Slide 45:

Slide 46:

Slide 47:

Slide 48:

Slide 49:

Slide 50:

Slide 51:

Slide 52:

Slide 53:

Slide 54:

Slide 55:

Slide 57:

Slide 58:

Slide 59:

Slide 60:

Slide 61:

Slide 62:

Slide 63:

Slide 64:

Slide 65:

Slide 66:

Slide 67:

Slide 68:

Slide 69:

Slide 70:

Slide 71:

Slide 72:

Slide 73:

Slide 74:

Slide 75:

Slide 76:

Slide 77: